Vibrational Frequencies calculated at CISD/3-21G*
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
Σ |
3527 |
3296 |
71.92 |
|
|
|
| 2 |
Σ |
2267 |
2118 |
11.57 |
|
|
|
| 3 |
Σ |
741 |
693 |
4.73 |
|
|
|
| 4 |
Π |
727 |
679 |
46.39 |
|
|
|
| 4 |
Π |
727 |
679 |
46.39 |
|
|
|
| 5 |
Π |
370 |
346 |
5.42 |
|
|
|
| 5 |
Π |
370 |
346 |
5.42 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4364.0 cm
-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 4077.7 cm
-1
See section
III.C.1 List or set vibrational scaling factors
to change the scale factors used here.
See section
III.C.2
Calculate a vibrational scaling factor for a given set of molecules
to determine the least squares best scaling factor.