Vibrational Frequencies calculated at mPW1PW91/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' |
3241 |
3106 |
1.48 |
104.55 |
0.25 |
0.40 |
2 |
A' |
631 |
605 |
8.02 |
6.30 |
0.32 |
0.48 |
3 |
A' |
427 |
409 |
28.78 |
9.32 |
0.07 |
0.12 |
4 |
A' |
188 |
180 |
0.12 |
4.27 |
0.55 |
0.71 |
5 |
A" |
1170 |
1121 |
56.74 |
2.13 |
0.75 |
0.86 |
6 |
A" |
790 |
757 |
130.12 |
1.66 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3223.2 cm
-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3088.8 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/cc-pVDZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
C |
-0.216 |
|
|
|
2 |
H |
0.129 |
|
|
|
3 |
Br |
0.043 |
|
|
|
4 |
Br |
0.043 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-0.476 |
0.605 |
0.000 |
0.770 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-42.986 |
-0.939 |
0.000 |
y |
-0.939 |
-40.244 |
0.000 |
z |
0.000 |
0.000 |
-40.586 |
|
Traceless |
| x | y | z |
x |
-2.571 |
-0.939 |
0.000 |
y |
-0.939 |
1.543 |
0.000 |
z |
0.000 |
0.000 |
1.028 |
|
Polar |
3z2-r2 | 2.057 |
x2-y2 | -2.742 |
xy | -0.939 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
3.295 |
-0.179 |
0.000 |
y |
-0.179 |
4.766 |
0.000 |
z |
0.000 |
0.000 |
9.373 |
<r2> (average value of r
2) Å
2
<r2> |
216.176 |
(<r2>)1/2 |
14.703 |