Point group Flow chart(1)

Point group Flow chart(1) - Flow
Chart
...

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Unformatted text preview: Flow
Chart
 Molecular
Structure
 Is
the
molecule
linear?
 C∞v
 Does
the
molecule
contain
 inversion
centre?
 No
 Does
the
molecule
belong
 to
high
symmetry
group?
 D∞h
 No
 Yes
 Yes
 Yes
 T,
Td,
Th,
I,
Ih,
O,
Oh
point
groups
 Dnh

 Yes
 No
 Yes
 Does
the
molecule
contain
 a
proper
rota=on
axis
(Cn)?
 No
 Iden=fy
the
highest
order
Cn.
 Are
there
n
perpendicular
C2
 axes?
 Yes
 Does
the
 molecule
 contain
a
σh?
 No
 Does
the
molecule
contain
 a
mirror
plane?
 Yes
 Cs
 No
 Does
the
molecule
contain
 a
σh?
 Yes
 No
 Cnh
 Does
the
molecule
 contain
n
σd?
 No
 Does
the
molecule
contain
 an
inversion
center?
 Yes
 Ci 
 Does
the
molecule
 contain
n
σv?
 Yes
 Cnv
 No
 No
 C1
 Does
the
molecule
contain
 a
2n‐fold
improper
rota=on
 axis?
 Yes
 S2n
 No
 Cn
 No
 Dn

 Yes
 Dnd
 ...
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