Vibrational Frequencies calculated at MP2/STO-3G
| 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 |
3731 |
3253 |
133.79 |
|
|
|
| 2 |
Σ |
2270 |
1980 |
0.02 |
|
|
|
| 3 |
Σ |
759 |
662 |
3.02 |
|
|
|
| 4 |
Π |
726 |
633 |
12.28 |
|
|
|
| 4 |
Π |
726 |
633 |
12.28 |
|
|
|
| 5 |
Π |
321 |
280 |
0.01 |
|
|
|
| 5 |
Π |
321 |
280 |
0.01 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4427.2 cm
-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 3860.1 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.