Vibrational Frequencies calculated at MP3/6-31+G**
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 |
3560 |
3313 |
85.58 |
|
|
|
2 |
Σ |
2240 |
2084 |
19.76 |
|
|
|
3 |
Σ |
611 |
568 |
1.10 |
|
|
|
4 |
Π |
689 |
641 |
51.10 |
|
|
|
4 |
Π |
689 |
641 |
51.10 |
|
|
|
5 |
Π |
457 |
425 |
11.10 |
|
|
|
5 |
Π |
457 |
425 |
11.10 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4350.9 cm
-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 4048.5 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.