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 |
A1 |
333 |
294 |
0.02 |
10.70 |
0.10 |
0.18 |
2 |
A1 |
238 |
211 |
0.04 |
0.18 |
0.12 |
0.21 |
3 |
E |
914 |
807 |
168.06 |
0.47 |
0.75 |
0.86 |
3 |
E |
913 |
807 |
168.15 |
0.47 |
0.75 |
0.86 |
4 |
E |
171 |
151 |
0.38 |
2.74 |
0.75 |
0.86 |
4 |
E |
171 |
151 |
0.38 |
2.74 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1370.2 cm
-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 1209.9 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 |
-0.197 |
|
|
|
2 |
Br |
0.066 |
|
|
|
3 |
Br |
0.066 |
|
|
|
4 |
Br |
0.066 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
0.000 |
0.000 |
-0.194 |
0.194 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-54.571 |
0.000 |
0.000 |
y |
0.000 |
-54.571 |
0.000 |
z |
0.000 |
0.000 |
-54.362 |
|
Traceless |
| x | y | z |
x |
-0.105 |
0.000 |
0.000 |
y |
0.000 |
-0.105 |
0.000 |
z |
0.000 |
0.000 |
0.210 |
|
Polar |
3z2-r2 | 0.419 |
x2-y2 | 0.000 |
xy | 0.000 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
5.148 |
0.000 |
0.000 |
y |
0.000 |
5.149 |
0.000 |
z |
0.000 |
0.000 |
0.734 |
<r2> (average value of r
2) Å
2
<r2> |
401.093 |
(<r2>)1/2 |
20.027 |