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' |
3140 |
3059 |
68.22 |
59.22 |
0.30 |
0.46 |
| 2 |
A' |
3085 |
3005 |
36.51 |
88.21 |
0.28 |
0.44 |
| 3 |
A' |
3078 |
2998 |
87.63 |
45.67 |
0.64 |
0.78 |
| 4 |
A' |
1662 |
1619 |
39.68 |
18.01 |
0.32 |
0.49 |
| 5 |
A' |
1561 |
1520 |
90.14 |
114.03 |
0.17 |
0.30 |
| 6 |
A' |
1353 |
1318 |
4.92 |
45.13 |
0.56 |
0.72 |
| 7 |
A' |
1098 |
1070 |
14.05 |
0.41 |
0.44 |
0.61 |
| 8 |
A' |
1061 |
1034 |
0.91 |
13.43 |
0.74 |
0.85 |
| 9 |
A' |
1025 |
998 |
6.07 |
11.28 |
0.65 |
0.79 |
| 10 |
A' |
876 |
853 |
14.87 |
0.14 |
0.26 |
0.41 |
| 11 |
A' |
791 |
771 |
70.85 |
7.71 |
0.31 |
0.47 |
| 12 |
A' |
675 |
658 |
4.49 |
12.71 |
0.72 |
0.84 |
| 13 |
A' |
608 |
592 |
7.02 |
16.03 |
0.63 |
0.77 |
| 14 |
A" |
946 |
921 |
3.10 |
9.26 |
0.75 |
0.86 |
| 15 |
A" |
822 |
801 |
21.89 |
1.61 |
0.75 |
0.86 |
| 16 |
A" |
790 |
770 |
42.96 |
0.30 |
0.75 |
0.86 |
| 17 |
A" |
539 |
525 |
13.44 |
5.65 |
0.75 |
0.86 |
| 18 |
A" |
398 |
388 |
0.66 |
0.69 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 11754.7 cm
-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 11449.1 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.