Vibrational Frequencies calculated at mPW1PW91/3-21G*
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' |
3264 |
3100 |
0.66 |
92.12 |
0.28 |
0.44 |
2 |
A' |
633 |
601 |
5.60 |
5.89 |
0.22 |
0.36 |
3 |
A' |
294 |
280 |
50.10 |
6.09 |
0.15 |
0.26 |
4 |
A' |
184 |
175 |
1.02 |
3.10 |
0.58 |
0.74 |
5 |
A" |
1218 |
1157 |
55.28 |
2.81 |
0.75 |
0.86 |
6 |
A" |
820 |
779 |
110.63 |
1.33 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3206.9 cm
-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 3045.3 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 mPW1PW91/3-21G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
C |
-0.335 |
|
|
|
2 |
H |
0.278 |
|
|
|
3 |
Br |
0.028 |
|
|
|
4 |
Br |
0.028 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-0.407 |
0.589 |
0.000 |
0.716 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-42.837 |
-0.811 |
0.000 |
y |
-0.811 |
-39.564 |
0.000 |
z |
0.000 |
0.000 |
-39.728 |
|
Traceless |
| x | y | z |
x |
-3.191 |
-0.811 |
0.000 |
y |
-0.811 |
1.719 |
0.000 |
z |
0.000 |
0.000 |
1.472 |
|
Polar |
3z2-r2 | 2.944 |
x2-y2 | -3.273 |
xy | -0.811 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
3.251 |
-0.150 |
0.000 |
y |
-0.150 |
4.666 |
0.000 |
z |
0.000 |
0.000 |
8.950 |
<r2> (average value of r
2) Å
2
<r2> |
215.185 |
(<r2>)1/2 |
14.669 |