Vibrational Frequencies calculated at mPW1PW91/aug-cc-pVDZ
| 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' |
3240 |
3105 |
1.21 |
94.75 |
0.21 |
0.35 |
| 2 |
A' |
633 |
607 |
6.14 |
6.18 |
0.08 |
0.14 |
| 3 |
A' |
423 |
406 |
22.34 |
9.92 |
0.12 |
0.22 |
| 4 |
A' |
188 |
180 |
0.10 |
2.64 |
0.41 |
0.58 |
| 5 |
A" |
1174 |
1125 |
57.48 |
0.11 |
0.75 |
0.86 |
| 6 |
A" |
788 |
756 |
125.07 |
1.07 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3222.8 cm
-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3088.4 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 mPW1PW91/aug-cc-pVDZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.526 |
|
|
|
| 2 |
H |
-0.189 |
|
|
|
| 3 |
Br |
0.357 |
|
|
|
| 4 |
Br |
0.357 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.410 |
0.689 |
0.000 |
0.802 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-43.594 |
-0.964 |
0.000 |
| y |
-0.964 |
-40.657 |
0.000 |
| z |
0.000 |
0.000 |
-41.428 |
|
| Traceless |
| | x | y | z |
| x |
-2.551 |
-0.964 |
0.000 |
| y |
-0.964 |
1.854 |
0.000 |
| z |
0.000 |
0.000 |
0.697 |
|
| Polar |
| 3z2-r2 | 1.395 |
| x2-y2 | -2.937 |
| xy | -0.964 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
6.110 |
-0.057 |
0.000 |
| y |
-0.057 |
6.986 |
0.000 |
| z |
0.000 |
0.000 |
11.464 |
<r2> (average value of r
2) Å
2
| <r2> |
215.853 |
| (<r2>)1/2 |
14.692 |