Vibrational Frequencies calculated at MP4/6-31G*
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
Ag |
1764 |
1685 |
|
|
|
|
| 2 |
Ag |
1227 |
1172 |
|
|
|
|
| 3 |
Ag |
635 |
606 |
|
|
|
|
| 4 |
Ag |
428 |
409 |
|
|
|
|
| 5 |
Ag |
291 |
278 |
|
|
|
|
| 6 |
Au |
359 |
343 |
|
|
|
|
| 7 |
Au |
134 |
128 |
|
|
|
|
| 8 |
Bg |
499 |
476 |
|
|
|
|
| 9 |
Bu |
1244 |
1188 |
|
|
|
|
| 10 |
Bu |
900 |
859 |
|
|
|
|
| 11 |
Bu |
426 |
407 |
|
|
|
|
| 12 |
Bu |
177 |
169 |
|
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4041.5 cm
-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 3858.8 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.