Vibrational Frequencies calculated at QCISD/3-21G
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 |
3452 |
3346 |
58.25 |
|
|
|
2 |
Σ |
2182 |
2114 |
4.11 |
|
|
|
3 |
Σ |
640 |
620 |
1.76 |
|
|
|
4 |
Π |
767 |
743 |
30.49 |
|
|
|
4 |
Π |
767 |
743 |
30.49 |
|
|
|
5 |
Π |
398 |
385 |
10.65 |
|
|
|
5 |
Π |
398 |
385 |
10.65 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4300.9 cm
-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 4168.5 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.