Vibrational Frequencies calculated at B1B95/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' |
3376 |
2981 |
0.34 |
42.45 |
0.12 |
0.22 |
| 2 |
A' |
1626 |
1436 |
0.12 |
17.39 |
0.71 |
0.83 |
| 3 |
A' |
1331 |
1176 |
67.35 |
2.40 |
0.71 |
0.83 |
| 4 |
A' |
773 |
682 |
63.49 |
7.20 |
0.75 |
0.86 |
| 5 |
A' |
592 |
523 |
10.29 |
13.75 |
0.18 |
0.31 |
| 6 |
A' |
161 |
142 |
0.51 |
4.77 |
0.53 |
0.69 |
| 7 |
A" |
3498 |
3089 |
0.00 |
33.41 |
0.75 |
0.86 |
| 8 |
A" |
1247 |
1101 |
0.00 |
13.65 |
0.75 |
0.86 |
| 9 |
A" |
841 |
743 |
0.42 |
2.39 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 6722.6 cm
-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 5936.0 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 B1B95/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.279 |
|
|
|
| 2 |
Br |
0.015 |
|
|
|
| 3 |
I |
0.032 |
|
|
|
| 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 |
| |
-0.348 |
1.460 |
0.000 |
1.501 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-51.452 |
-1.270 |
0.000 |
| y |
-1.270 |
-47.679 |
0.000 |
| z |
0.000 |
0.000 |
-48.928 |
|
| Traceless |
| | x | y | z |
| x |
-3.149 |
-1.270 |
0.000 |
| y |
-1.270 |
2.511 |
0.000 |
| z |
0.000 |
0.000 |
0.638 |
|
| Polar |
| 3z2-r2 | 1.276 |
| x2-y2 | -3.773 |
| xy | -1.270 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
4.868 |
1.650 |
0.000 |
| y |
1.650 |
2.935 |
0.000 |
| z |
0.000 |
0.000 |
1.033 |
<r2> (average value of r
2) Å
2
| <r2> |
299.448 |
| (<r2>)1/2 |
17.305 |