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nv?

h?

No

Yes

No

Yes

C?

Yesi?

YesD

h

No

Cv

No

Cn?

YesYes

No

? Yes

Cs

No

i?

C1

No

YesC

i

Linear Molecules

6C5? i?

YesIh

No

INo

3C4? Yes i?

O

YesO

h

No

4C3? Yes i?

S2n

Th

No

6? Yes T

d

No

T

High-Symmetry

Molecules

No

nC2

Cn?

h?Yes D

nh

nv?Yes

Dnd

No

Dn

No

S2n?Yes

No

No

No

Cn

YesC

nh

YesC

nv

Low-Symmetry

Molecules