| Type of rotational axis |
other symmetry elements |
point group |
|
S2n |
n senkrecht zu Cn |
sh |
sv,sd |
|
one (linear molecules) |
with |
|
D h |
| without |
|
v |
| any Cn with n > 3 (cubic molecules*) |
Ih |
| Oh |
| Td |
| one Cn with n > 2 |
S2n colinear zu Cn; no other symmetry elements |
S2n |
| |
n perpendicular to Cn |
withsh |
Dnh |
| without sh |
with sd |
Dnd |
| without sd |
Dn |
| no n perpendicular to Cn |
with sh |
|
Cnh |
| without sh |
with sv |
Cnv |
| without sv |
Cn |
| |
with S2 = i |
Ci = S2 |
| without S2 = i |
with s |
|
Cs = C1h |
| no symmetry elemts other than E |
C1 |
*The use of "cubic" is restricted to molecules with four three-fold axes
|