Vibrational Frequencies calculated at B3PW91/STO-3G
| 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' |
3356 |
2970 |
0.37 |
42.33 |
0.13 |
0.22 |
| 2 |
A' |
1623 |
1436 |
0.12 |
17.20 |
0.71 |
0.83 |
| 3 |
A' |
1330 |
1177 |
68.48 |
2.41 |
0.71 |
0.83 |
| 4 |
A' |
767 |
679 |
65.15 |
7.19 |
0.75 |
0.86 |
| 5 |
A' |
588 |
520 |
9.83 |
13.92 |
0.18 |
0.30 |
| 6 |
A' |
162 |
144 |
0.50 |
4.96 |
0.53 |
0.69 |
| 7 |
A" |
3479 |
3079 |
0.03 |
33.30 |
0.75 |
0.86 |
| 8 |
A" |
1245 |
1102 |
0.00 |
13.36 |
0.75 |
0.86 |
| 9 |
A" |
840 |
743 |
0.47 |
2.41 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 6694.7 cm
-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 5924.8 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.
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.277 |
|
|
|
| 2 |
Br |
0.016 |
|
|
|
| 3 |
I |
0.030 |
|
|
|
| 4 |
H |
0.116 |
|
|
|
| 5 |
H |
0.116 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.327 |
1.443 |
0.000 |
1.480 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-51.331 |
-1.225 |
0.000 |
| y |
-1.225 |
-47.656 |
0.000 |
| z |
0.000 |
0.000 |
-48.932 |
|
| Traceless |
| | x | y | z |
| x |
-3.038 |
-1.225 |
0.000 |
| y |
-1.225 |
2.476 |
0.000 |
| z |
0.000 |
0.000 |
0.562 |
|
| Polar |
| 3z2-r2 | 1.124 |
| x2-y2 | -3.676 |
| xy | -1.225 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
4.943 |
1.696 |
0.000 |
| y |
1.696 |
2.967 |
0.000 |
| z |
0.000 |
0.000 |
1.029 |
<r2> (average value of r
2) Å
2
| <r2> |
302.091 |
| (<r2>)1/2 |
17.381 |