Vibrational Frequencies calculated at CID/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 |
3281 |
69.29 |
|
|
|
2 |
Σ |
2248 |
2092 |
7.05 |
|
|
|
3 |
Σ |
606 |
564 |
0.41 |
|
|
|
4 |
Π |
735 |
684 |
50.65 |
|
|
|
4 |
Π |
735 |
684 |
50.65 |
|
|
|
5 |
Π |
326 |
304 |
6.09 |
|
|
|
5 |
Π |
326 |
304 |
6.09 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4252.2 cm
-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 3956.7 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.