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 |
3536 |
3343 |
88.83 |
|
|
|
2 |
Σ |
2227 |
2106 |
17.19 |
|
|
|
3 |
Σ |
760 |
719 |
7.41 |
|
|
|
4 |
Π |
627 |
593 |
41.17 |
|
|
|
4 |
Π |
627 |
593 |
41.17 |
|
|
|
5 |
Π |
332 |
314 |
1.27 |
|
|
|
5 |
Π |
332 |
314 |
1.27 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4220.5 cm
-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 3990.5 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.