Vibrational Frequencies calculated at B1B95/3-21G
| 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' |
3263 |
3122 |
0.66 |
92.30 |
0.29 |
0.45 |
| 2 |
A' |
635 |
608 |
5.81 |
6.22 |
0.22 |
0.36 |
| 3 |
A' |
301 |
288 |
51.34 |
6.24 |
0.15 |
0.26 |
| 4 |
A' |
184 |
176 |
0.90 |
3.17 |
0.58 |
0.73 |
| 5 |
A" |
1216 |
1164 |
54.68 |
2.76 |
0.75 |
0.86 |
| 6 |
A" |
821 |
785 |
115.80 |
1.41 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3210.0 cm
-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 3071.0 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 B1B95/3-21G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.332 |
|
|
|
| 2 |
H |
0.272 |
|
|
|
| 3 |
Br |
0.030 |
|
|
|
| 4 |
Br |
0.030 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.420 |
0.538 |
0.000 |
0.682 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-42.694 |
-0.825 |
0.000 |
| y |
-0.825 |
-39.523 |
0.000 |
| z |
0.000 |
0.000 |
-39.524 |
|
| Traceless |
| | x | y | z |
| x |
-3.170 |
-0.825 |
0.000 |
| y |
-0.825 |
1.586 |
0.000 |
| z |
0.000 |
0.000 |
1.585 |
|
| Polar |
| 3z2-r2 | 3.169 |
| x2-y2 | -3.171 |
| xy | -0.825 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
3.248 |
-0.157 |
0.000 |
| y |
-0.157 |
4.672 |
0.000 |
| z |
0.000 |
0.000 |
9.025 |
<r2> (average value of r
2) Å
2
| <r2> |
213.953 |
| (<r2>)1/2 |
14.627 |