Vibrational Frequencies calculated at mPW1PW91/6-31+G**
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 |
1901 |
1809 |
376.31 |
|
|
|
2 |
A1 |
438 |
417 |
6.67 |
|
|
|
3 |
A1 |
184 |
175 |
0.38 |
|
|
|
4 |
B1 |
551 |
524 |
1.80 |
|
|
|
5 |
B2 |
760 |
723 |
496.86 |
|
|
|
6 |
B2 |
363 |
346 |
1.63 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 2098.2 cm
-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1997.0 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 mPW1PW91/6-31+G**
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
C |
0.133 |
|
|
|
2 |
O |
-0.173 |
|
|
|
3 |
Br |
0.020 |
|
|
|
4 |
Br |
0.020 |
|
|
|
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 |
-1.385 |
1.385 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-46.709 |
0.000 |
0.000 |
y |
0.000 |
-44.347 |
0.000 |
z |
0.000 |
0.000 |
-50.539 |
|
Traceless |
| x | y | z |
x |
0.734 |
0.000 |
0.000 |
y |
0.000 |
4.277 |
0.000 |
z |
0.000 |
0.000 |
-5.011 |
|
Polar |
3z2-r2 | -10.022 |
x2-y2 | -2.363 |
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 |
5.057 |
0.000 |
0.000 |
y |
0.000 |
10.955 |
0.000 |
z |
0.000 |
0.000 |
7.693 |
<r2> (average value of r
2) Å
2
<r2> |
0.000 |
(<r2>)1/2 |
0.000 |