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 |
2894 |
2743 |
17.46 |
43.38 |
0.18 |
0.31 |
| 2 |
Σ |
1206 |
1144 |
21.43 |
57.90 |
0.26 |
0.42 |
| 3 |
Π |
635 |
602 |
0.42 |
3.90 |
0.75 |
0.86 |
| 3 |
Π |
635 |
602 |
0.42 |
3.90 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 2685.4 cm
-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 2545.8 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.