Band 31 a Zeitschrift für Naturforschung 1976

Sachverzeichnis

Das Sachverzeichnis umfaßt Originalarbeiten und Notizen (N)

Dünne Schichten, Membranen Adsorption

Oriented Adsorption of Benzene Molecules on Graph-itized Carbon Black.

B. Boddenberg and J. A. Moreno (N) 853 Chemisorption on a Model Transition Metal.

Kin-ichi Masuda 1344

Atomphysik und -Spektren

0 (4) -Symmetry and Stark-Effect of the H-Atom. H. G. Becker and K. Bleuler 517

Precise Energies of K-Röntgen-Lines of Tm, Th, U and Pu G. L. Borchert (N) 102 Collisions between Excited Thallium 62D Atoms and Molecules B. Gelbhaar and W. Hanle 87 A Determination of Screening Constants for Incom-plete Atomic Shells of Elements Z = 2 to 23 from Experimental Ionization Potentials — X-ray Photo-electric Mass Absorption Coefficients for Elements Z = 6 to 15 for 33 Characteristic Energies between 1 and 25 keV J. D. Stephenson 887 Differential Elastic Cross Section Measurements for K+ —Ar, Kr and Xe G. Willems (N) 395

Diffusion, Elektro- und Thermodiffusion in Kondensaten

Preparation of Hydrogen Permeable Foils of V, Nb and Ta by Means of Ultra High Vacuum Techniques.

N. Boes and H. Züchner 754 Application of Electrochemical Techniques for Study-ing Diffusion of Hydrogen Isotopes in V, Nb and Ta.

N. Boes and H. Züchner 760 l//-noise Generated by Constrained Diffusion through a Flux-controlling Boundary. . . . E. Frehland 942 Diffusion and Viscous Flow in Ideal Binary Liquid Mixtures R. Haase (N) 1025 Soret Coefficient and Thermoelectric Power of Thermocells Containing Molten Binary Mixtures.

R. Haase (N) 1731 Electric Conductivity and Density of Sodium-Rubi-dium and Sodium-Cesium Acetate Molten Mixtures.

D. Leonesi, A. Cingolani, and G. Berchiesi 1609 Hard-sphere Results from Experimental Transport Behaviour of Molten Salts and Structural Properties.

J. J. van Loef 967 Self-diffusion of Tin in a Liquid Tin-Lead Alloy at the Eutetic Composition.

D. H. Kurlat, M. Rosen, and G. Quintana (N) 1024 Stable and Metastable Phases in the Systems Agl-Ag 2X0 4 (X = Cr, Mo, W).

A. Magistris, G. Chiodelli, and G. V. Campari 974 Ionic and Molecular Mobilities in Simple Binary Molten Salt Mixtures J. Richter (N) 1436 Thermoelectric Power of the Systems AgI-Ag.,X04

(X=Mo, W). . . . A. Schiraldi and E. Pe'zzati 1077 Electrical Conductance of Single Molten Lithium Halides S. Zuca and M. Olteanu 796

An Inertial Contribution to the Steady State Film Profiles of Viscous Drainage.

N. Annapurna and G. Ramanaiah (N) 1007 Structure of Epitaxially Grown Gold Films. I. Anal-ysis of X-Ray Diffraction Patterns.

W. Fischer and P. Wißmann 183 Structure of Epitaxially Grown Gold Films. II. Tex-ture Properties. . . .W. Fischer and P. Wißmann 190 Analysis of Binary Compound Thin Films with the Electron Microprobe. . . E. Haeussler and E. Saur 1572 Effect of Defect Structure on the Optical Dispersion Properties of Thin Films of TiNx .

P. J. P. De Maayer 642 Approximative Solution of a Generalized Nernst-Planck-equation for a one Dimensional Membran-model J. Schröter and H.-P. Stormberg 815 Equilibrium Properties of Ion Exchange Membranes.

H.-P. Stormberg 1289 Simple Semiempirical Method of Calculating van der Waals Interactions in Thin Films from Lifshitz Theory. . . . Chr. St. Vassilieff and I. B. Ivanov 1584

Elektronenbeugung

Interpretation of the Structure of LEED Intensity Spectra in r-Matrix Approximation for the Platinum (100) Surface . K. Heinz, N. Lieske, and K. Müller 1520

Elektronenemission

Secondary Electron Emission from Conductive, Liq-uid Polyethylene Glycol 1500.

K. Doblhofer, K. P. Charle, and D. Veltwisch 75

Elektroncnkanone

Emittance Diagrams and Aberrations of Electron Guns R. Lauer 1160

Elektronenleitung

Electrical Properties of Some Divalent Transition Cupferrone Complexes.

H. F. Aly, F. M. Abdel-Kerim, and H. H. Afifi (N) 675 Transient Photocurrents in 2,3-Dimethylnaphthalene Single Crystals W.-W. Falter 251 Sondheimer and Magnetic Breakdown Oscillations in AI C. Papastaikoudis (N) 212 Carrier Concentration of Intrinsic Silicon.

Th. Wasserrab (N) 505 Electrochemical Transient Investigations of the Dif-fusion and Concentration of Electrons in Yttria Stab-ilized Zirconia-Solid Electrolytes. . . W. Weppner 1336 The Influence of Recombination between Holes and Reduced Redox Ions on the Efficiency of Hole In-jection from Electrolytic Contacts into Organic In-sulator Crystals. . . . F. Willig and G. Scherer 981

1742 Sachverzeichnis

Elektronenmikroskopie

Selected-Area Diffraction in the Shadow Electron Microscope W. C. T. Dowell (N) 1435 Influence of Electron Noise on Three-dimensional Image Reconstruction . R. Hegerl and W. Hoppe 1717 Three-Dimensional Electron Microscopy of Individual Objects. Part I. Methods. W. Hoppe, H. J. Schramm,

M. Sturm, N. Hunsmann, and J. Gaßmann 645 Three-Dimensional Electron Microscopy of Individual Biological. Part II. Test Calculations.

W. Hoppe, H. J. Schramm, M. Sturm, N. Huns-mann, and J. Gaßmann 1370

Three-Dimensional Electron Microscopy of Individual Biological Objects. Part III. Experimental Results on Yeast Fatty Acid Synthetase.

W. Hoppe, H. J. Schramm, M. Sturm, N. Huns-mann, and J. Gaßmann 1380

Elektronenspektroskopie

Transmission of Electronic Effects in Substituted Pyridine-N-Oxides Studied by ESCA. G. Distefano,

G. Spunta, F. P. Colonna, and S. Pignataro (N) 856 Photoelectron Spectroscopy of Heterocycles. Indene Analogs. . . H. Güsten, L. Klasinc, and B. Ruscic 1051 Electron Spectroscopic Studies of the Oxidation of Ni/Pd Alloys K. Wandelt and G. Ertl 205

Elektronenzustände in Kondensaten

LCAO Interpolation Model for the Splitting of the Valence Band of Germanium in a Magnetic Field.

H. G. Müller 344

Feldionisation

Ion Formation in Field Desorption of Salts. F. W. Röllgen, U. Giessmann, and H. J. Heinen (N) 1729

Festkörper

About the Physical Interpretation of the Hill-Condi-tion J. Betten 639 The Birefringent and the Piezoelectric Phase of Mixed Crystals of NH4C1 or NH4Br with Partners Having the Same Anion.

P. Brauer and A. Bußmann (N) 213 The Proton Distribution in Ice-Ih Investigated by Light Scattering.

R. Claus, W. Plagge, and J. Bilgram 1526 On the Thermal Behaviour of Earth-alkali Propiona-tes and /i.Butyrates.

P. Ferloni, M. Sanesi, and P. Franzosini (N) 679 The Electronic Specific Heat in the System MgCiu— MgNi2 H. Gnann and W. Eichenauer 288 Dynamical Dielectric Instability of the Ferroelectric AgNa(N02)2 J- Grossmann,

D. Müller, J. Petersson, and E. Schneider 1089 Elastic and Thermoelastic Constants of Y3Fe5012-, NdgGasOi,-, and Sm3Ga5019-garnets.

S. Haussühl, D. Mate'ika, and W. Tolksdorf (N) 390 Ab-initio Crystal Orbital Study of One-Dimensional Hydrogen Bonded Chain-Formic Acid.

M. Kertesz, J. Koller, E. Zakrajsek, and A. Azman 637 Dipole Centres in Rare-Earth-Doped CaF 2 .

J. Kiessling and A. Scharmann (N) 105 A Model for Spin-lattice Relaxation in Metals.

H. Koppe and W. Schattke (N) 1422

On the Analysis of the Activation Volume. A. S. Krausz 728

Poisson's Ratio for Central-Force Polycrystals. H. M. Ledbetter 1539

Lattice Vibration Spectra. XVII. Force Constant and Normal Coordinate Calculations of Pyrite Type Tran-sition Metal Dichalcogenides and Diphosphides.

H. D. Lutz, P. Willich, and H. Haeuseler 847 Thermoreflectance in Ammonium Halides.

E. Rieflin, G. Stühmer, and E. Schwab 1333 Energies of Trivalent Cation Impurity-Cation Vacancy Complexes in KCl.

A. K. Shukla and M. K. Uppal (N) 219

Flüssige Kristalle

Critical Pitch in Thin Cholesteric Films with Homeo-tropic Boundaries F. Fischer 41 Critical Splay-Bend Deformation of Nematic Films.

F. Fischer 302 Hydrocarbon Chain Ordering in Liquid Crystals In-vestigated by Means of Infrared Attenuated Total Reflection (IR-ATR) Spectroscopy. U. P. Fringeli,

M. Schadt, P. Rihak, and Hs. H. Günthard 1098 Anisotropy of the Electric Conductivity of Several Electrolytes in a Nematic Liquid Crystal

G. Heppke and F. Schneider 611 Investigation of the Electrical Conductivity of Homo-logous N- (4-/i-alkoxybenzylidene) -4'-n -butylanilines in the Nematic and Smectic Phases.

G. Heppke, F. Schneider und A. Sterzl 1700 Fokker-Planck-Equation Approach to Flow Align-ment in Liquid Crystals S. Hess 1034 Pre- and Post-Transitional Behavior of the Flow Alignment and Flow-Induced Phase Transition in Liquid Crystals S. Hess 1507 Radial Poiseuille Flow of a Homeotropic Nematic LC Layer K. Hiltrop and F. Fischer 800 Order Parameter Temperature Dependence of Some Nematic Liquids Related to Magnetic and Optical Anisotropies. . . . I. H. Ibrahim and W. Haase 1644 Liquid Cyrstalline Phases in N-(4-n-alkylbenzyli-dene) -4'-n-alkylanilines.

J. Nehring and M. A. Osman 786 Electric and Magnetic Field Effects in p-Methoxy Benzylidene p'-n-Butylaniline.

N. V. S. Rao, P. R. Kishore, T. F. S. Raj, M. N. Avadhanlu, and C. R. K. Murty 283 SEM Studies of Cholesteric Liquid Crystals.

J. Voss and B. Voss 1661

Flüssigkeiten

Relaxation of the Bulk — Viscosity in Water t-Bu-tanol, Mixtures in the Gigahertz Region.

A. Asenbaum 201 Molar Excess Free Energy at the Critical Solution Point as a Criterion of Model Theories for Liquid Mixtures. . F. Becker, M. Kiefer, and P. Rhcnsius 602 Thermodynamic Excess Functions of Binary Liquid Mixtures with Chain Association of One Component. I. The Excess Gibbs Free Energy G^/RT. F.Becker, M. Kiefer, P. Rhensius, and H.D.Schäfer 1651 Complex Constants and Ultraviolet Absorption Spec-tra for CuCl —CI" Complexes in 1 M HC104 .

B. Carlsson and G. Wettermark 297 Evidence for Preferential Polymer Solvation from Time-resolved Rayleigh Light Scattering Measure-ments. . . G. Dobrowolski and W. Schnabel (N) 109

Sachverzeichnis 1743

Measurement of PVT Data for Molten Potassium Chloride to 1320 K and 6 kbar.

G. Goldmann and K. Tödheide 656 Equation of State and Thermodynamic Properties of Molten Potassium Chloride to 1320 K and 6 kbar.

G. Goldmann and K. Tödheide 769 A Molecular Dynamics Study of Aqueous Solutions. V. Angular Distribution of the Water Dipoles in the Hydration Shells of Various Alkali- and Halide Ions.

K. Heinzinger 1073 A Molecular Dynamics Study of Aqueous Solutions. III. A Comparison of Selected Alkali Halides.

K. Heinzinger and P. C. Vogel 463 Polar Solvent Structure in the Debye-Hiickel Theory of Strong Electrolytes.

K. Holub and A. A. Kornyshev 1601 Structure of Molten Bi-Sb-alloys by Means of Neu-tron Diffration.

P. Lamparter, S. Steeb, and W. Knoll 90 A Theory of the Excess Chemical Potential of Metals in Alloys as Related to Electrodiemical Measure-ments H. R. Leribaux (N) 1014 Ultrasound Absorption in Mixtures of Phenol with Carbontetrachloride and Cyclohexane.

H. Mang and F. Kohler 1671 Ultrasound Absorption in Trifluoroacetic Acid and its Equimolar Mixture with Acetic Acid.

H. Mang and F. Kohler 1674 Thermodynamic and Structural Properties of Molten CsCl as Obtained by Computer Simulation.

C. Margheritis, C. Sinistri, and G. Flor 615 A Model of the Structure of Liquid Antimony.

B. R. Orton (N) 397 A Note on the Self Consistent Approximation Method for the Evaluation of Radial Distribution Functions of Simple Fluids.

R. V. Gopala Rao and T. Nammalvar 31 Mass Spectrometric Determination of Activities and their Dependence on Temperature in Liquid Bismuth-Tin Alloys. . G. Riekert, P. Lamparter, and S. Steeb 711 A Theoretical Study on Negative Solvation by Means of Quantum Chemical Calculations on the I(H,0)~-Complex B. M. Rode 1081 Monte-Carlo Simulation of Nitrogen. . S.Romano 1108

Density and Compressibility of Liquid Li-Pb Alloys. H. Ruppersberg and W. Speicher 47

The Pressure in Molecular Dynamics Simulations of Ionic Liquids L. Schäfer and A. Klemm 1068 Structure and Compressibility of Au-Co Melts.

S. Steeb and R. Bek 1348 A Conductometric Study of the Bi-Hgl, System.

M. V. Susie and S. V. Mentus 777 A Molecular Dynamics Study of Aqueous Solutions. IV. Sodium Chloride at two Different Concentrations.

P. C. Vogel and K. Heinzinger 476

Gaskinetik

Reorientation of the Angular Momentum of Li2-Mole-cules due to Collisions with Noble Gas Atoms.

J. Bormann and D. Poppe 739 Vibrational Energy Transfer in CHF3-Mixtures.

K. Frank and P. Hess (N) 1268 Vibrational Energy Transfer in Silane and Silane Mixtures. . . W. Janiesch, H. Ulrich, and P. Hess 1203 Inverse Operator Technique for Treating Senftleben-Beenakker Effects without Using the Spherical Ap-proximation. . . W. E. Köhler and H. F. P. Knaap 1485

Decomposition of Viscosity Tensors for Gyrotropic Media U. Sturhann and K. Suchy 1514 Theory of the Viscomagnetic Heat Flux. H. Vestner 540

Hodi f requenzspektroskopie

a) Electronenspinresonanz

Effective g Tensor of a Pair of Dissimilar Ions in the Strong Isotropic Exchange Limit.

E. Buluggiu and A. Vera 911 The Effective Spin as a Model to Describe ESR-Hyperfine Spectra of Polycrystalline Samples.

K. Dräger 123 The Intensity of the Antiferromagnetic Coupling in Gallium-doped a-Cr203 K. Dräger 622 Proof of Antiparallel Spin-Coupling in Paramagnetic Manganese K. Dräger und G. Kratz 1630

The Allowed and Forbidden Resonance Transitions of Mn2+-Ions in Ce0 2 . K. Dräger and U. Wolfmeier 1057 ESR of Paramagnetic Species Produced by Gamma Irradiation in Cadmium Oxalate Three Hydrate Single Crystal F. Köksal and H. Yüksel 80 On Hyperfine and Fine Structure of Excited Charge-Transfer-Complexes. . H. Möhwald and A. Böhm 1324 ENDOR Relaxation Study on Phenyl Substituents.

M. Plato, R. Biehl, K. Möbius, and K. P. Dinse 169 Conformation Studies by Electron Spin Resonance. Two-Jump Process in Benzyl-phosphonium Salts. K. Scheffler, K. Hieke, P. Schuler und H. B. Stegmann 1620

b) Kernresonanz

Electric Quadrupole Interaction of 20F in a KZnF3

Single Crystal. H. Ackermann, D. Rubbers, M. Grupp, P. Heitjans, H.-J. Stöckmann, K. P. Wanczek,

K. Becker, and R. Leckebusch 1298 Multiple Pulse Proton Magnetic Resonance Study of KHCOj and KHS0 4 . . . H. Feucht, U. Haeberlen,

M. Pollak-Stachura, and H. W. Spieß 1173 Oxygen Isotope Effect on 55Mn Nuclear Magnetic Shielding in Permanganate.

A. R. Haase, O. Lutz, M. Müller, and A. Nolle (N) 1427 The Temperature Behaviour of the Transverse Relax-ation of the Protons of Water Molecules in Native Starch H.-J. Hennig and H. Lechert 306 109Ag Nuclear Magnetic Resonance Studies of Orga-nic and Inorganic Silver Complexes.

K. Jucker, W. Sahm, and A. Schwenk 1532 Fourier Transform NMR Studies of 95Mo and "Mo.

W. D. Kautt, H. Krüger, O. Lutz, H. Maier, and A. Nolle 351

Consequences of Restricted Defect Diffusion on NMR and Dielectric Relaxation R. Kimmich 693 1 7 0 and 33S Fourier Transform NMR Studies in Thio-sulfate and Thiomolybdate Solutions.

O. Lutz, W. Nepple. and A. Nolle 978 Indirect Spin-Spin Coupling Between 1 7 0 and Other Quadrupolar Nuclei in Oxyanions.

O. Lutz, W. Nepple. and A. Nolle 1046 Use of 95Mo NMR Spectroscopy as a New Approach to Structural Analysis of Diamagnetic Molybdenum Complexes. . . O. Lutz, A. Nolle, and P. Kroneck 454 Rotation Barrier of the End Groups of Polymethine Oxonols with Different Chain Lengths.

H. Oehling and F. Baer (N) 1017 ENDOR Relaxation Study on Phenyl Substituents.

M. Plato, R. Biehl. K. Möbius, and K. P. Dinse 169

1744 Sachverzeichnis

Investigation of the *H Spin-Lattice Relaxation in Polycrystalline NH 4Re0 4 Induced by Mechanical Sample Rotation H. Rager 1707 X-Ray, NMR, and NQR Investigations of the Crystal Structure and Charge Distribution of Sodium Tetra-chloroaluminate NaAlCl4 . W. Scheinert and A.Weiss 1354 Proton Spin-Rotational Interaction in Crystalline l-Hydroxy-2,4-Hexadiyne. . . . J. U. von Schütz, D. Bloor, W. Steudle, H. C. Wolf, and D. J . Ando (N) 666 Concerning the Mechanism of 6JHH Coupling in Bi-cyclic Systems. . . H. Sterk and A. Wachmann 71 Attempts Concerning Calculations of 13C-chemical Shifts in Mesoionic Compounds.

H. Sterk, J. J. Suschnigg, and K. Thonhofer 793

c) Mikrowellenspektroskopie

Microwave Spectrum, Nuclear Quadrupole Coupling Constants, Dipole Moment, and Structure of Chlorine Pentafluoride, C1F5 .

H. K. Bodenseh, W. Hüttner, and P. Nowicki 1638 Detection of the Millimeter Wave Spectrum of Hy-drogen Isocyanide, HNC. . . . R. A. Creswell,

E. F. Pearson, M. Winnewisser, and G. Winnewisser 221 The Molecular Zeeman-Effect in 1,3-Difluorobenzene and 3-Methylfurane.

W. Czieslik, J. Wiese, and D. H. Sutter 1 2 10 Dielectric Relaxation and Electron Spin Relaxation of Ferric Acetylacetonate in Dilute Solutions.

W. Dietz, H. Kilp. W. Noerpel, M. Straßmann, and M. Stockhausen 457

Microwave Spectrum, Partial ^-Structure and 14N-Quadrupole Coupling Constants of 2-Cyanfurane.

L. Engelbrecht and D. H. Sutter (N) 670 Molecular ^-Values, Magnetic Susceptibility Aniso-tropics, Molecular Quadrupole Moments and Second Moments of the Electron Charge Distribution in Ethyleneoxide and Pyridine Isotopes. An Attempt to Determine the Sign of the Electric Dipole Moment.

E. Hamer and D. H. Sutter 265 Microwave Spectrum ^-Structure, rz- and re-Struc-ture of the Isotopic Species 12C34SF37C1. R. Hamm. H. J. Kohrmann, H. Günther, and W. Zeil 594 Rotation-Torsion-Vibration Interaction in the Rota-tional Spectra of Isotopic Species of Ethyl Cyanide.

H. M. Heise, H. Mäder, and H. Dreizler 1228 The Rotational Spectrum of Monothioformic Acid. II. eis- and *r<ms-HC ( : 0 ) SD, D C ( : 0 ) S H , HC( :0 ) 3 4 SH.

W. H. Hocking and G. Winnewisser 438 The Rotational Spectrum of Monothioformic Acid. I. eis- and frarcs-HC ( : 0 ) SH.

W. H. Hocking and G. Winnewisser 422 The Rotational Spectrum of Monothioformic Acid. III. Dipole Moment and Relative Intensity Measurements.

W. H. Hocking and G. Winnewisser 995 Infrared-Microwave-Double Resonance and Double Photon Transitions in FCN H. Jones 1614 Torsion-Torsion Interaction in the Microwave Spec-trum of Dimethylether. H. Lutz and H. Dreizler (N) 1026 A Microwave Study of Collision-Induced Transitions between M-Resolved-Rotational Levels of OCS.

H. Mäder, W. Schrepp, and H. Dreizler 14 19 Centrifugal Distortion Analysis of the Microwave and Millimeter Wave Spectra of Deuterated Ketenes.

L. Nemes and M. Winnewisser 272 Additional Dielectric Loss of Rigid Polar Molecules in Dilute Solutions at Frequencies in the Far Infrared (FIR).

W. Noerpel 1543

Microwave Spectrum of hexa-Deutero Dimethyl Se-lenide in the Ground and Excited Torsional States.

G. K. Pandey and H. Dreizler 357 Top-Top Interaction in Hexa-Deutero Dimethyl Se-lenide from the Microwave Spectrum in the First Excited Torsional States.

G. K. Pandey, H. Lutz, and H. Dreizler 1 4 13 The Molecular Structures of HNC and HCN Derived from the Eight Stable Isotopic Species. E. F. Pearson, R. A. Creswell, M. Winnewisser, and G. Winnewisser 1394 Millimeter Wave Spectrum of Excited Vibrational States of Potassium Hydroxide, KOH and KOD. E.F.Pearson, B. P. Winnewisser, and M. B. Trueblood 1259 Dielectric Behaviour in the MHz Range of cis-bis-(glycynato) Cu(II) monohydrate and (glycylglyci-nato)Cu(II) trihydrate in Water.

P. U. Sakellaridis and E. K. Karageorgopoulos 1085 Microwave Spectrum of Acetyl Cyanide in the Ground and Excited States. I. F. Scappini and H. Dreizler 840 The Zeeman Effect in the Rotational Spectrum of Carbonyl Chloro Fluoride.

F. Scappini and A. Guarnieri 369 Acetyl Cyanide. II. Rotation —Torsion—Vibration In-teraction in the Rotational Spectrum.

F. Scappini, H. Mäder, and H. Dreizler 1393 Adiabatic Correction of the Born-Oppenheimer Ap-proximation for GeS and GeSe.

W. U. Stieda, E. Tiemann, T. Törring, and J. Hoeft 374 The Microwave Spectrum of 2,6-Difluoropyridine. II. Dipole Moment, Quadrupole Coupling Constants and Vibrational Satellites.

O. L. Stiefvater, S. Lui, and J. A. Ladd 53 The Structure of 1.2,4-Thiadiazole by DRM Micro-wave Spectroscopy O. L. Stiefvater 1681 Microwave Zeeman Spectrum, Electric Dipole Mo-ment and Nuclear Quadrupole Tensor of Methyl Hypochlorite and d3-Methyl Hypochlorite.

M. Suzuki and A. Guarnieri 1242 Some Radiofrequency-Millimeterwave-Double Reso-nance, Experiments, Partly with HFS-levels.

M. Suzuki. A. Guarnieri, and H. Dreizler 1 1 8 1 Hyperfine Structure of Rbl. E. Tiemann and J. Hoeft 236 Rotational Spectrum of BaS.

E. Tiemann, Ch. Ryzlewicz, and T. Törring 128

c) Zyklotronresonanz

Mechanism and Structure in the Ion Chemistry of Tetramethyldiphosphine: An Ion Cyclotron Reso-nance Spectrometric Study. . . . K.-P. Wanczek 414

Ionenstreuung

Partial Structure Factors in Multicomponent Liquid or Amorphous Alloys J. Bletry 960 The Range of Validity of the Moliere Approximation.

H. Lehmann and H. Schoenebeck (N) 501 Computer Simulation of the Backscattering of High Energy Ions from (001)- and (111)-surfaces of Au-Single Crystals. . . . H. Schmidt and K. Güttner 3 1 6 Monte Carlo Calculations and Measurements Con-cerning the Multiple Scattering of Heavy Ions in Thin Films.

J . Zienert, K. Güttner, and G. Münzenberg 949

Ionisation und Reaktion in Gasen

Laser Spectroscopic Studies on Non-stabilized N2(B377fr, t- = 13) molecules.

K. H. Becker, H. Engels, and T. Tatarczyk (N) 673

Sachverzeichnis 1745

The Formation of Molecules in Three Atom Colli-sions using the Eikonal Approximation. E. Czuchaj 1489 Determination of the AlO Ground-state Dissociation Energy by Means of the Normalized Temperature Method P. Frank and L. Krauss 1193 Intensity Ratios within the Balmer Lines Ha and H^ After Dissociative Excitation of C6H6 and H2 .

H. J. Hartfuß, J. Neumann, and H. D.'Schneider 1292 Mass Spectrum, Mechanism and Structure in the Ion Chemistry of Trimethylmethylenephosphorane.

O.-R. Hartmann, K.-P. Wanczek, and H. Hartmann 630 Cross Sections for Charge Changing of Single-positive Atomic Ions with keV Energy. . . . B. Lehmann 1308 Dissociation of H2+ and H3+ by Collision with Kr in the Energy Range between 6 to 60 keV. B. Lehmann 1303 On Ionisation Equilibrium of He.

U. Narain, N. K. Jain, and S. Chandra 565

Ionisierte Gase

Spectroscopic Measurement of Radial Temperature Distribution in High-Pressure Mercury Lamps with Metal Halide Additives. H. Albrecht and A. Schiff 196 Ion Acoustic Waves in a Density Gradient.

N. D'Angelo, P. Michelsen, and H. L. Pecseli 578 Picosecond Microphotography as a Diagnostic Method for Laser Produced Plasmas. S. Ariga and R. Sigel 697 Broad Structures in the VUV Argon Spectrum due to Merged A II Lines. K. Behringer and P. Thoma (N) 107 Non L.T.E. Properties of Quasistationary Oxygen Plasmas. . . . M. Cacciatore and M. Capitelli 362 Determination of the Electron Density in a Helium Plasma D. Einfeld and G. Sauerbrey 310 Schlieren Measurements of a High Density Z-Pinch.

K. H. Finken, G. Bertschinger, and R. S. Hornady 1318 Temperature of Neutral Gas in an Unipolar Argon-HF-Discharge D. Fischer 158 Linear Wave Coupling to a Plasma Enhanced Elec-tron Temperature at the Lower Hybrid Resonance.

G. Glomski, B. Heinrich, and H. Schlüter 1551 The Influence of Mirror Configurations Near the Lower Hybrid Resonance.

G. Glomski, B. Heinrich, and H. Schlüter 1559 Non Linear Wave Coupling to a Plasma of Enhan-ced Electron Temperature.

G. Glomski, B. Heinrich, and H. Schlüter 1566

Kern- und Elementarteilchenphysik, experimentell

Precision Measurement of y-Ray Energies from the Decay of 57Co, 60Co, 137Cs, 152Eu, 153Sm and 198Au.

G. L. Borchert (N) 387 Neutron Separation Energies of Zr Isotopes.

L. C. Gomes and O. Dietzsch (N) 393 The Widths of the E2 (AT=Q and AT=1) Giant Resonances in 165Ho.

G. L. Moore, F. R. ßuskirk, E. B. Dally, J. N. Dyer, X. K. Maruyama, and R. Pitthan (N) 668

A New Determination of the JC~ Rest Mass. A. Brandäo d'Oliveira,

H. Daniel, T. von Egidy, and F. J. Hartmann 1150 Energies of Muonic Transitions in Cd and Br and Energies and Intensities of Nuclear Transitions in 78Se and 80Se.

A. Brandäo d'Oliveira and T. von Egidy (N) 211 Precision Measurements of Free Cross Sections for Neutrons. . . . W. W aschkowski and L. Koester 115

Kern- und Elementarteilchenphysik, theoretisch

rc .T and 7i~ p -> JI° n Scattering in a Multiple-Reg-geon-Cut Dual Absorptive Model. . . W. Braun 557 Scattering of a Polarized Photon by a Polarized Elec-tron H. Ewald and W. Franz 808 On a Two-sphere Problem and the Radius of the Muon A. K. Mitra (N) 1425 Heavy-Ion Real Potentials for Collisions of Identical Nuclei T. Morovic and W. Greiner 327 The Two Centre Dirac Equation.

B. Müller and W. Greiner 1 Pion Mass Difference in Bars-Halpern-Yoshimura Unified Gauge Model S. N. Sinha (N) 1429 The Occurrence of Ultrastrong Magnetic Fields in Nuclear Shock Waves. . . . F. Winterberg (N) 498

Kosmo- und Geochemie und -Physik

Meaningless Questions in Cosmology and Relativistic Astrophysics. . . . M. Heller and M. Reinhardt 1271 A Comparison of the Noble Gases in Three Meteorite Specimens Labeled Springfield.

E. W. Hennecke and O. K. Manuel 293 An Optical Method to Monitor NO in Air, where NO Fluorescence is Excited by NO-y Bands.

K. Höinghaus, H. W. Biermann, C. Zetzsch, and F. Stuhl 239

The Role of the Oceans as a Sink for Chlorofluor-methanes and Similar Compounds. . . C. Junge 482 14C in the Atmosphere from 1952 to 1971 According to Measurements of Wine Ethanol.

K. E. Zimen and R. Brits (N) 854

Lumineszenz

Site Selection Spectroscopy in the Temperature Range 2 K and 300 K.

G. Fiatscher, K. Fritz, and J. Friedrich 1220 Photochemical Behaviour and Spectroscopical Proper-ties of Anilino Naphthalenes.

F. Fratev, O. E. Polansky, and M. Zander 987 Deuterium Isotope Effect in the Radiative Triplet Decay of Heavy Atom Substituted Aromatic Mole-cules.

J. Friedrich, J. Vogel, W. Windhager, and F. Dörr 61 External Spin-Orbit-Coupling in Aromatic Molecules.

J. Friedrich, G. Weinzierl, and F. Dörr 748 Time Resolved Magnetic Field Effects as a Probe for Geminate Recombination.

R. Haberkorn and M. E. Michel-Beyerle (N) 499 Effect of Deuteration on the Excimer Kinetics of Pyrene G. Heidt 990 Sharp Resonances in Radiationless Transitions.

W. E. Howard and E. W. Schlag (N) 399 Radial Distribution of the Light-intensity in Nitro-gen Afterglow P. Kocian (N) 1431 Depolarization of NaD, Fluorescence under Pulsed Laser Excitation. . V. Kroop and W. Behmenburg 707 Analysis of the Fluorescence of C6D6 Isotopic Mixed Crystals by IR Modulation.

J. Marquard, F. Aurich, and K. D. Schumacher 1002 Transanular Interaction in [2.2]Phanes: [2.2] (2,7)-Pyrenophane. . . D. Schweitzer, K. H. Hausser,

R. G. H. Kirrstetter, and H. A. Staab 1189 Physical Triplet Quenching by Electron Donors.

U. Steiner, G. Winter, and H. E. A. Kramer (N) 1019 Phosphorescence Properties of Dibenzo-carbazoles and Structure-related Dinaphtho-thiophenes.

M. Zander (N) 677

1746 Sachverzeichnis

Second Virial Coeffizients of Ground State Nitrogen Atoms C. Guidotti, G. P. Arrighini. M. Capitelli, and U. T. Lamanna (N) 1722 An Analysis of Nonsimilar Problems on Spherical Blast Waves F. Higashino 723 Investigation of the Structure and the Plasma Pa-rameters in a '"Critical Velocity" Rotating Plasma.

G. Himmel, E. Möbius, and A. Piel 934 Resonance Shifts in High Frequency Discharges in Axial Magnetic Field Configurations.

B. Lammers, U. Oberlack, and H. Schlüter 1122 Investigations of Wave Absorption Near the Lower Hybrid Resonance in a Plasma of High Ion Mass.

B. Lammers, U. Oberlack, H. Schlüter, and 0 . Vogel 924 Transport of Electrons in Non-Thermal Noble Gas Plasmas H. Lehrke and K. G. Müller 915 Equilibrium and Stability of a Three-Dimensional Toroidal MHD Configuration Near its Magnetic Axis.

D. Lortz and J. Nührenberg 1277 On Ionization Equilibrium of Helium.

U. Narain, N. K. Jain, and S. Chandra 565 Note on Population Densities in an Expanding He-lium-Neon Plasma Flow M. Nishida 717 On the Thermal Conductivity of Hydrogen at Ele-vated Temperatures. . S. Popovic and N. Konjevic 1042 Structure of Stark Broadened H/? Lines at low Elec-tron Densities. . . J. Ramette and H. W. Drawin 401 Model for the Interaction of Thermal Radiation with a Monatomic Plasma J. R. Saraf 1038 Thermal Instability of a Compressible Hall Plasma.

R. C. Sharma (N) 1011 Solitary Filaments of Coupled Electromagnetic Wave and Finite Amplitude Ion Fluctuations.

P. K. Shukla, M. Y. Yu, and S. G. Tagare 1517 Spectrum of Exploding Wires within Different Atmo-spheres. Measure of Dissociation Rate of Surrounding Gas and of Plasma Pressure.

C. Triebe and G. Perarnau (N) 503

Magnetismus

Invalidity of Vonsovsky's Results on the Ferromag-netic Anomaly of the Work Funktion.

N. Bettermann (N) 1424 Grain Size Dependence of the Processes of Remag-netization in Pure Iron.

P. Deimel, B. Röde, and R. Wislaug 163 Different Temperature Dependence of Magnetic Sus-ceptibility of Different Molecular Complexes of Cop-per (II) with 7-Hydroxy-4-methyl-5-aza-hept-4-en-2-on.

L. Merz and W. Haase 177 Spatial Variations of Spontaneous Magnetization in a Layered Ising Model K. Ränder 1465 Effect ot Anisotropy on the Critical Behaviour of Three-Dimensional Heisenberg Ferromagnets.

R. Shanker and R. A. Singh 34 Numerical Investigation of High Temperature Expan-sions of the Specific Heat of the Heisenberg Model.

J. J. White, III 381

Molekülbau

Mass Dependence of the Vibrational Eigenvector Matrix Elements in XY2(Cov) Type Molecules.

T. R. Ananthakrishnan. C. P. Girijavallabhan, and K. Babu Joseph (N) 1009

Mean Amplitudes of Vibration for the Tetrahalogeno Aluminates E. J. Baran (N) 217 Vibrational Properties of the ReF6+-Ion.

E J. Baran (N) 1733

Anharmonic Force Field and Isotopic Relations of Ozone P. Hennig and G. Strey 244 LCAO Approach to SCF-Xa Method.

J. Koller, M. Zaucer, and A. Azman (N) 1022 Symmetry Coordinates and Tentative Force Field Analysis of a PMo12O40 Model with the Keggin Structure.

L. Lyhamn, S. J. Cyvin, B. N. Cyvin. and J. Brunvoll 1589 Molecular Orbital Theory of the Electronic Struc-ture of Organic Compounds I. Dioxodiazacycloalkanes.

H. Grinberg, S. Lamdan, and C. H. Gaozza 1677 A Simple Variational Method for Quantitative Assess-ment of "Through-space" and "Through-bond" Inter-actions H. Schmidt and A. Schweig (N) 215 Contribution of the Walsh Orbitals to the Excited States of Conjugated Cyclopropyl Molecules (A PMO Treatment) M. Shanshal 488 The Configuration of Organic Carbanions.

M. Shanshal 494 Comments on Quartic Centrifugal Distortion Con-stants for Asymmetric Top Molecules.

K. Yamada and M. Winnewisser 131 A Parameter to Quantify Molecular Quasilinearity.

K. Yamada and M. Winnewisser 139 Calculation of Magnetic Shielding and Susceptibility of H 2 0 and FOH with Gauge Invariant Gaussian Basis Set.

D. Pumpernik. M. Hladnik. and A. Azman (N) 1727

Molekülspektren

Intensity Distribution in Pure Rotational Raman Spectra of C0 2 and N 2 0 Taking into Account Con-tributions from the OPO State

K. Altmann, W. Klöckner, and G. Strey 1311 Higher Excited Triplet States of Fluorene, Carbazole and Benzologues: CNDO-CI Calculations and Triplet-Triplet Absorption Measurements.

F. Fratev, H. Hermann, G. Olbrich, O. E. Polansky, and M. Zander 84

Acetyl Cyanide. III. Vibrational Spectrum and Vibra-tional Analyses.

H. M. Heise, F. Scappini, and H. Dreizler 1408 The Other Rotamer of Formic Acid, ci.s-HCOOH.

W.H.Hocking 1113 Reaction of Vanadyl Ions with Alkyl Dinitriles.

M. Y. Al-Janabi and N. J. Ali 1696 Theory of Dispersion Energy and Solvent Effects on Molecular Spectra. . J. Mahanty and C. N. R. Rao 1094 Near Infrared Absorption of Ethylene between 8200 c m - 1 and 9500 c m - 1 to High Pressures and Temper-atures F. W. Nees and M. Buback 1690 An I.R. Spectroscopic Study of the Conformational Equilibrium in 2-Acetylfuran.

G. Paliani, R. Cataliotti. and A. Poletti 1217 Matrix Elements of the Lorentzian Term.

Ch. V. S. Ramachandra Rao 553 The Absorption Spectrum of Isotopic Diatomic Anti-mony (123Sb-123Sb). Analysis of the D + - X System in the 2 8 6 0 - 2 9 2 0 A Region.

A. M. Sibai. A. Topouzkhanian, and P. Perdigon 145 Hydrogen Bonding in 7-Azaindole and 1-Azacarba-zole P. Stäglich and M. Zander 1391

Optik

Comparison of Synchrotron Radiation and Hydrogen Continuum Radiation in the Near VUV by Means of a Deuterium Transfer Standard. D. Einfeld. D. Stuck. K. Behringer, and P. Thoma (N) 1131

Sachverzeichnis 1747

Pressure Broadening of the 1.3 //m Iodine Laser Line. W. Fuß and K. Hohla 569

Optical Correlation with Light of Tunable Wave-length K. Hinsch and G. Marowsky 1065 Refractive Index Measurements on Fused LiN0 3 , RbN03 and CsN03 with a Modified Thennooptic Technique. . . E. Karawacki and S. E. Gustafsson 956 Measurements on an N2-Laser with Damping Capa-citors S. Miyashiro and H. Gronig (N) 1433 Relative Raman Intensities of the Phonons of LiNb03 .

M. Nippus 231 Observation of Local Mode Polaritons by Frustrated Total Reflection.

W. Nitsch, H. J. Falge, and R. Claus 1062

Quanten- und Relativitätstheorie

Angular Momentum and Discrete Symmetries in the Spinor Bethe-Salpeter Equation. II. . W. Bauhoff 690 On Wick Rules with Intermediate States and the New Tamm-Dancoff Method with fntermediate States.

A. Friedrich and W. Gerling 872 A Metric Theory of Gravitation without Minimal Coupling of Matter and Gravitational Field.

H. Goenner 1451 On Hypermomentum in General Relativity. I. The Notion of Hypermomentum.

F. W. Hehl, G. D. Kerlick, and P. von der Heyde 111 On Hypermomentum in General Relativity. II. The Geometry of Spacetime.

F. W. Hehl, G. D. Kerlick, and P. von der Heyde 524 On Hypermomentum in General Relativity. III. Cou-pling Hypermomentum to Geometry.

F. W. Hehl, G. D. Kerlick, and P. von der Heyde 823 Is Gravitation Mediated by the Torsion of Space-time? P. von der Heyde (N) 1725 The von Weizsäcker Coefficient in Density Func-tional Theory.

A. Meyer, Gwo-ching Wang, and W. H. Young 898 The T — t Jahn-Teller System: Solution of the Fun-damental Combinatorial Problem and its Application to Moments and Zero Phonon Line. . E. Sigmund 904 Non-local Generalization of the Lorentz-Dirac Equa-tion and the Problem of Runawav Solutions.

M. Sorg (N) 664 The Problem of Runaway Solutions in the Lorentz-Dirac Theory M. Sorg 683 The Problem of Radiation Reaction in Classical Elec-trodynamics M. Sorg 1133 Electromagnetic Foundation of the Mo-Papas Theory.

M. Sorg 1143 Initial-Value Problem for the Non-local Generaliza-tion of the Lorentz-Dirac Equation. . . . M. Sorg 1457 A Problem Connected with the Schott Term in Clas-sical Electrodynamics M. Sorg 1500

On the Calculation of Nonlinear Spinor Field Func-tionals. III H. Stumpf 528 Unified Field Theory F. Vollendorf 225 Geometrodynamics F. Vollendorf 1155

Reaktionskinetik

Kinetics of MgW0 4 Formation in the Solid State Reaction between MgO and W 0 3 .

G. Flor and R. Riccardi 619 Gas Supersaturation Thresholds for Spontaneous Cavitation in Water with Gas Equilibration Pres-sures up to 570 atm.

W. A. Gerth and E. A. Hemmingsen 1711 Reactivity, Equilibrium and Electronegativity.

G.van Hooydonk 828 Kinetics of Fast Brominations by the Use of Rotating Platinum Electrode. . T. S. Rao and S. I. Mali (N) 1735 Chaotic Behavior in Simple Reaction Systems.

O. E. Rössler 259 Chemical Turbulence: Chaos in a Simple Reaction-Diffusion System O. E.Rössler 1168 Different Types of Chaos in Two Simple Differential Equations O. E. Rössler 1664 Chemical Oscillations by Substrate Inhibition. A Pa-rametrically Universal Oscillator Type in Homogene-ous Catalysis by Metal Complex Formation.

F. F. Seelig 731 Electronic Overlap Population as Reactivity Measure. IV. Bond Cleavage and Bond Formation Processes.

S. Sharafi-Ozeri, L. Muszkat, and K. A. Muszkat 781 Geometry of Titration System — An Application of Horn's Theory to the Determination of pK-Values.

K.-D. Willamowski and O. E. Rössler 408

Supraleitung

A New Method for the Preparation of Tantalum, Silver and Niobium/Silver Tunneling Contacts.

K. Gärtner (N) 858 Properties of Tunneling Junctions on the Supercon-ducting Transition-Metals Nb, Ta. and V.

K. Gärtner and A. Hahn 861

Thermodynamik

Reformulation of the Gibbsian Thermostatics. C. Ehrsam 583

Thermostatics of Electrolyte Solutions. . C. Ehrsam 589

Thermodynamik irreversibler Prozesse

Time Reversal Behaviour and Reciprocity Theorem of Transport-Relaxation-Equations. . L. Waldmann 1029 Reciprocity and Boundary Conditions for Transport-Relaxation-Equations L. Waldmann 1439