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 |
A1 |
1223 |
1168 |
|
|
|
|
| 2 |
A1 |
810 |
774 |
|
|
|
|
| 3 |
A1 |
507 |
484 |
|
|
|
|
| 4 |
A1 |
349 |
333 |
|
|
|
|
| 5 |
A2 |
343 |
328 |
|
|
|
|
| 6 |
B1 |
877 |
837 |
|
|
|
|
| 7 |
B1 |
488 |
466 |
|
|
|
|
| 8 |
B2 |
1462 |
1396 |
|
|
|
|
| 9 |
B2 |
499 |
476 |
|
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 3278.7 cm
-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 3130.5 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.