Vibrational Frequencies calculated at MP2/CEP-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 |
Σ |
3422 |
3306 |
32.38 |
45.88 |
0.22 |
0.36 |
| 2 |
Σ |
1822 |
1760 |
2.75 |
26.66 |
0.23 |
0.37 |
| 3 |
Π |
713 |
689 |
75.47 |
1.02 |
0.75 |
0.86 |
| 3 |
Π |
713 |
689 |
75.47 |
1.02 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3334.7 cm
-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 3222.4 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.