Vibrational Frequencies calculated at PM3
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
A' |
2999 |
2921 |
25.58 |
92.29 |
0.35 |
0.52 |
2 |
A' |
1115 |
1086 |
82.16 |
57.54 |
0.35 |
0.52 |
3 |
A' |
696 |
678 |
127.97 |
181.85 |
0.37 |
0.54 |
4 |
A' |
644 |
627 |
8.97 |
23.13 |
0.13 |
0.22 |
5 |
A' |
312 |
304 |
1.27 |
13.04 |
0.58 |
0.73 |
6 |
A' |
202 |
197 |
0.62 |
8.59 |
0.72 |
0.83 |
7 |
A" |
1159 |
1129 |
31.26 |
8.00 |
0.75 |
0.86 |
8 |
A" |
689 |
671 |
88.17 |
25.82 |
0.75 |
0.86 |
9 |
A" |
182 |
177 |
1.11 |
13.13 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3998.6 cm
-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 3894.6 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.