Vibrational Frequencies calculated at mPW1PW91/6-31G(2df,p)
| 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' |
3267 |
3119 |
1.06 |
80.79 |
0.27 |
0.43 |
| 2 |
A' |
646 |
617 |
4.04 |
5.80 |
0.09 |
0.17 |
| 3 |
A' |
311 |
297 |
26.63 |
5.22 |
0.13 |
0.24 |
| 4 |
A' |
194 |
185 |
0.43 |
2.24 |
0.44 |
0.61 |
| 5 |
A" |
1206 |
1151 |
52.47 |
1.05 |
0.75 |
0.86 |
| 6 |
A" |
848 |
810 |
99.81 |
0.64 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3236.3 cm
-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 3089.7 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 mPW1PW91/6-31G(2df,p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.419 |
|
|
|
| 2 |
H |
0.202 |
|
|
|
| 3 |
Br |
0.109 |
|
|
|
| 4 |
Br |
0.109 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.295 |
0.702 |
0.000 |
0.761 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-42.661 |
-0.676 |
0.000 |
| y |
-0.676 |
-39.695 |
0.000 |
| z |
0.000 |
0.000 |
-40.812 |
|
| Traceless |
| | x | y | z |
| x |
-2.407 |
-0.676 |
0.000 |
| y |
-0.676 |
2.041 |
0.000 |
| z |
0.000 |
0.000 |
0.366 |
|
| Polar |
| 3z2-r2 | 0.732 |
| x2-y2 | -2.966 |
| xy | -0.676 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
5.189 |
-0.106 |
0.000 |
| y |
-0.106 |
6.202 |
0.000 |
| z |
0.000 |
0.000 |
10.353 |
<r2> (average value of r
2) Å
2
| <r2> |
210.355 |
| (<r2>)1/2 |
14.504 |