Vibrational Frequencies calculated at MP2=FULL/6-31G(2df,p)
| 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 |
1729 |
1625 |
115.35 |
116.50 |
0.31 |
0.47 |
| 2 |
Σ |
1095 |
1029 |
0.06 |
8.82 |
0.32 |
0.48 |
| 3 |
Π |
432 |
406 |
4.25 |
0.01 |
0.75 |
0.86 |
| 3 |
Π |
432 |
406 |
4.25 |
0.01 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1844.0 cm
-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 1733.2 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.