Vibrational Frequencies calculated at CCSD/6-31G(2df,p)
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 |
3520 |
3328 |
77.32 |
|
|
|
2 |
Σ |
2412 |
2281 |
17.13 |
|
|
|
3 |
Σ |
2183 |
2064 |
4.43 |
|
|
|
4 |
Σ |
888 |
840 |
0.09 |
|
|
|
5 |
Π |
685 |
647 |
38.31 |
|
|
|
5 |
Π |
685 |
647 |
38.31 |
|
|
|
6 |
Π |
526 |
498 |
4.08 |
|
|
|
6 |
Π |
526 |
498 |
4.08 |
|
|
|
7 |
Π |
232 |
220 |
0.56 |
|
|
|
7 |
Π |
232 |
220 |
0.56 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5944.6 cm
-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 5620.6 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.