Vibrational Frequencies calculated at MP2/CEP-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 |
1862 |
1799 |
295.91 |
114.28 |
0.17 |
0.30 |
2 |
Σ |
453 |
437 |
222.62 |
25.06 |
0.75 |
0.86 |
3 |
Π |
188 |
182 |
0.18 |
11.51 |
0.75 |
0.86 |
3 |
Π |
188 |
182 |
0.18 |
11.51 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1345.0 cm
-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1299.6 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.