Vibrational Frequencies calculated at MP3/6-31G*
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 |
3540 |
3322 |
80.02 |
|
|
|
2 |
Σ |
2274 |
2135 |
22.04 |
|
|
|
3 |
Σ |
769 |
722 |
8.75 |
|
|
|
4 |
Π |
563 |
528 |
49.22 |
|
|
|
4 |
Π |
563 |
528 |
49.22 |
|
|
|
5 |
Π |
245 |
230 |
0.11 |
|
|
|
5 |
Π |
245 |
230 |
0.11 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4099.2 cm
-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 3847.5 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.