Vibrational Frequencies calculated at HF/6-311+G(3df,2p)
| 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' |
3364 |
3057 |
1.22 |
82.17 |
0.21 |
0.35 |
| 2 |
A' |
652 |
592 |
8.13 |
7.47 |
0.07 |
0.12 |
| 3 |
A' |
498 |
452 |
14.06 |
10.61 |
0.12 |
0.22 |
| 4 |
A' |
195 |
177 |
0.11 |
2.48 |
0.37 |
0.54 |
| 5 |
A" |
1281 |
1164 |
78.71 |
0.09 |
0.75 |
0.86 |
| 6 |
A" |
829 |
753 |
91.55 |
3.07 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3409.0 cm
-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 3097.4 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 HF/6-311+G(3df,2p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.125 |
|
|
|
| 2 |
H |
0.168 |
|
|
|
| 3 |
Br |
-0.021 |
|
|
|
| 4 |
Br |
-0.021 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.380 |
0.956 |
0.000 |
1.029 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-43.884 |
-0.896 |
0.000 |
| y |
-0.896 |
-40.859 |
0.000 |
| z |
0.000 |
0.000 |
-42.710 |
|
| Traceless |
| | x | y | z |
| x |
-2.100 |
-0.896 |
0.000 |
| y |
-0.896 |
2.439 |
0.000 |
| z |
0.000 |
0.000 |
-0.339 |
|
| Polar |
| 3z2-r2 | -0.678 |
| x2-y2 | -3.026 |
| xy | -0.896 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
5.991 |
-0.076 |
0.000 |
| y |
-0.076 |
6.700 |
0.000 |
| z |
0.000 |
0.000 |
10.495 |
<r2> (average value of r
2) Å
2
| <r2> |
217.300 |
| (<r2>)1/2 |
14.741 |