Vibrational Frequencies calculated at MP2/6-311+G(3df,2p)
| 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 |
3515 |
3316 |
283.87 |
37.56 |
0.21 |
0.34 |
| 2 |
Σ |
2253 |
2125 |
579.25 |
18.62 |
0.01 |
0.02 |
| 3 |
Σ |
1320 |
1245 |
67.59 |
43.57 |
0.20 |
0.33 |
| 4 |
Π |
557 |
525 |
3.97 |
0.00 |
0.75 |
0.86 |
| 4 |
Π |
557 |
525 |
3.97 |
0.00 |
0.75 |
0.86 |
| 5 |
Π |
285i |
269i |
73.11 |
5.60 |
0.75 |
0.86 |
| 5 |
Π |
285i |
269i |
73.11 |
5.60 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3815.8 cm
-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 3599.8 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.