Vibrational Frequencies calculated at B3PW91/STO-3G
| 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 |
3285 |
2908 |
2.17 |
50.85 |
0.00 |
0.00 |
| 2 |
A1 |
1467 |
1298 |
0.68 |
1.40 |
0.31 |
0.47 |
| 3 |
A1 |
834 |
738 |
91.25 |
3.54 |
0.26 |
0.42 |
| 4 |
A1 |
406 |
360 |
9.42 |
7.85 |
0.29 |
0.45 |
| 5 |
E |
3460 |
3062 |
9.43 |
37.13 |
0.75 |
0.86 |
| 5 |
E |
3460 |
3062 |
9.43 |
37.14 |
0.75 |
0.86 |
| 6 |
E |
1744 |
1543 |
0.12 |
14.96 |
0.75 |
0.86 |
| 6 |
E |
1744 |
1543 |
0.12 |
14.96 |
0.75 |
0.86 |
| 7 |
E |
745 |
659 |
50.23 |
0.29 |
0.75 |
0.86 |
| 7 |
E |
745 |
659 |
50.23 |
0.29 |
0.75 |
0.86 |
| 8 |
E |
122 |
108 |
44.43 |
0.07 |
0.75 |
0.86 |
| 8 |
E |
122 |
108 |
44.43 |
0.07 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 9066.6 cm
-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 8023.9 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 B3PW91/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.484 |
|
|
|
| 2 |
Mg |
0.847 |
|
|
|
| 3 |
Br |
-0.457 |
|
|
|
| 4 |
H |
0.032 |
|
|
|
| 5 |
H |
0.032 |
|
|
|
| 6 |
H |
0.032 |
|
|
|
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 |
-2.077 |
2.077 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-29.157 |
0.000 |
0.000 |
| y |
0.000 |
-29.157 |
0.000 |
| z |
0.000 |
0.000 |
-42.196 |
|
| Traceless |
| | x | y | z |
| x |
6.519 |
0.000 |
0.000 |
| y |
0.000 |
6.519 |
0.000 |
| z |
0.000 |
0.000 |
-13.039 |
|
| Polar |
| 3z2-r2 | -26.077 |
| x2-y2 | 0.000 |
| 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 |
1.449 |
0.000 |
0.000 |
| y |
0.000 |
1.449 |
0.000 |
| z |
0.000 |
0.000 |
5.097 |
<r2> (average value of r
2) Å
2
| <r2> |
175.294 |
| (<r2>)1/2 |
13.240 |