Vibrational Frequencies calculated at MP2/3-21G*
| 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 |
1957 |
1862 |
242.38 |
98.12 |
0.19 |
0.32 |
| 2 |
Σ |
583 |
554 |
159.82 |
17.82 |
0.68 |
0.81 |
| 3 |
Π |
132 |
125 |
3.42 |
10.44 |
0.75 |
0.86 |
| 3 |
Π |
132 |
125 |
3.42 |
10.44 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1401.7 cm
-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 1333.4 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.