Vibrational Frequencies calculated at MP2=FULL/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 |
1983 |
1880 |
135.27 |
30.02 |
0.08 |
0.15 |
| 2 |
Σ |
510 |
484 |
123.10 |
17.02 |
0.71 |
0.83 |
| 3 |
Π |
289 |
274 |
6.23 |
8.88 |
0.75 |
0.86 |
| 3 |
Π |
289 |
274 |
6.23 |
8.88 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1535.4 cm
-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1455.5 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.