Vibrational Frequencies calculated at mPW1PW91/6-31G(2df,p)
| 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 |
3048 |
2910 |
12.88 |
107.59 |
0.00 |
0.00 |
| 2 |
A1 |
1163 |
1110 |
1.72 |
52.01 |
0.12 |
0.21 |
| 3 |
A1 |
616 |
588 |
72.44 |
9.48 |
0.09 |
0.16 |
| 4 |
A1 |
309 |
295 |
11.71 |
19.67 |
0.15 |
0.26 |
| 5 |
E |
3136 |
2994 |
10.24 |
113.13 |
0.75 |
0.86 |
| 5 |
E |
3136 |
2994 |
10.24 |
113.11 |
0.75 |
0.86 |
| 6 |
E |
1454 |
1388 |
0.26 |
2.81 |
0.75 |
0.86 |
| 6 |
E |
1454 |
1388 |
0.26 |
2.81 |
0.75 |
0.86 |
| 7 |
E |
579 |
553 |
87.21 |
2.26 |
0.75 |
0.86 |
| 7 |
E |
579 |
553 |
87.21 |
2.26 |
0.75 |
0.86 |
| 8 |
E |
117 |
112 |
23.00 |
0.75 |
0.75 |
0.86 |
| 8 |
E |
117 |
112 |
23.00 |
0.75 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 7854.6 cm
-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 7498.8 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 mPW1PW91/6-31G(2df,p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.682 |
|
|
|
| 2 |
Mg |
0.374 |
|
|
|
| 3 |
Br |
-0.157 |
|
|
|
| 4 |
H |
0.155 |
|
|
|
| 5 |
H |
0.155 |
|
|
|
| 6 |
H |
0.155 |
|
|
|
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 |
-2.110 |
2.110 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-34.086 |
0.000 |
0.000 |
| y |
0.000 |
-34.086 |
0.000 |
| z |
0.000 |
0.000 |
-41.623 |
|
| Traceless |
| | x | y | z |
| x |
3.768 |
0.000 |
0.000 |
| y |
0.000 |
3.768 |
0.000 |
| z |
0.000 |
0.000 |
-7.536 |
|
| Polar |
| 3z2-r2 | -15.073 |
| 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 |
7.052 |
0.000 |
0.000 |
| y |
0.000 |
7.052 |
0.000 |
| z |
0.000 |
0.000 |
10.603 |
<r2> (average value of r
2) Å
2
| <r2> |
191.730 |
| (<r2>)1/2 |
13.847 |