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 |
A1 |
3043 |
2916 |
18.12 |
131.81 |
0.00 |
0.00 |
| 2 |
A1 |
1143 |
1095 |
1.09 |
58.51 |
0.10 |
0.18 |
| 3 |
A1 |
607 |
581 |
74.79 |
12.92 |
0.09 |
0.16 |
| 4 |
A1 |
300 |
287 |
14.62 |
18.56 |
0.19 |
0.32 |
| 5 |
E |
3139 |
3008 |
7.88 |
131.53 |
0.75 |
0.86 |
| 5 |
E |
3139 |
3008 |
7.88 |
131.51 |
0.75 |
0.86 |
| 6 |
E |
1428 |
1368 |
0.01 |
3.38 |
0.75 |
0.86 |
| 6 |
E |
1428 |
1368 |
0.01 |
3.38 |
0.75 |
0.86 |
| 7 |
E |
583 |
559 |
85.07 |
4.28 |
0.75 |
0.86 |
| 7 |
E |
583 |
559 |
85.07 |
4.28 |
0.75 |
0.86 |
| 8 |
E |
104 |
99 |
25.39 |
0.62 |
0.75 |
0.86 |
| 8 |
E |
104 |
99 |
25.39 |
0.62 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 7799.6 cm
-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 7474.3 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/cc-pVDZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.384 |
|
|
|
| 2 |
Mg |
0.537 |
|
|
|
| 3 |
Br |
-0.330 |
|
|
|
| 4 |
H |
0.059 |
|
|
|
| 5 |
H |
0.059 |
|
|
|
| 6 |
H |
0.059 |
|
|
|
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 |
-2.189 |
2.189 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-34.234 |
0.000 |
0.000 |
| y |
0.000 |
-34.234 |
0.000 |
| z |
0.000 |
0.000 |
-42.782 |
|
| Traceless |
| | x | y | z |
| x |
4.274 |
0.000 |
0.000 |
| y |
0.000 |
4.274 |
0.000 |
| z |
0.000 |
0.000 |
-8.548 |
|
| Polar |
| 3z2-r2 | -17.096 |
| 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 |
6.040 |
0.000 |
0.000 |
| y |
0.000 |
6.040 |
0.000 |
| z |
0.000 |
0.000 |
10.635 |
<r2> (average value of r
2) Å
2
| <r2> |
195.041 |
| (<r2>)1/2 |
13.966 |