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' |
3424 |
3030 |
0.37 |
41.48 |
0.40 |
0.57 |
| 2 |
A' |
671 |
594 |
14.90 |
4.90 |
0.28 |
0.44 |
| 3 |
A' |
424 |
375 |
14.78 |
5.44 |
0.15 |
0.25 |
| 4 |
A' |
201 |
178 |
0.41 |
2.73 |
0.63 |
0.77 |
| 5 |
A" |
1328 |
1175 |
76.22 |
5.88 |
0.75 |
0.86 |
| 6 |
A" |
908 |
803 |
111.01 |
2.36 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3477.2 cm
-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 3077.3 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 |
-0.213 |
|
|
|
| 2 |
H |
0.099 |
|
|
|
| 3 |
Br |
0.057 |
|
|
|
| 4 |
Br |
0.057 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.393 |
0.608 |
0.000 |
0.724 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-38.536 |
-0.554 |
0.000 |
| y |
-0.554 |
-37.412 |
0.000 |
| z |
0.000 |
0.000 |
-39.268 |
|
| Traceless |
| | x | y | z |
| x |
-0.197 |
-0.554 |
0.000 |
| y |
-0.554 |
1.491 |
0.000 |
| z |
0.000 |
0.000 |
-1.294 |
|
| Polar |
| 3z2-r2 | -2.588 |
| x2-y2 | -1.125 |
| xy | -0.554 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
0.597 |
-0.141 |
0.000 |
| y |
-0.141 |
1.659 |
0.000 |
| z |
0.000 |
0.000 |
5.196 |
<r2> (average value of r
2) Å
2
| <r2> |
220.843 |
| (<r2>)1/2 |
14.861 |