Vibrational Frequencies calculated at PBEPBE/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 |
2593 |
2369 |
1.15 |
|
|
|
| 2 |
A1 |
997 |
911 |
116.00 |
|
|
|
| 3 |
A1 |
932 |
852 |
121.72 |
|
|
|
| 4 |
A1 |
435 |
398 |
6.10 |
|
|
|
| 5 |
A1 |
275 |
251 |
12.53 |
|
|
|
| 6 |
A2 |
146 |
133 |
0.00 |
|
|
|
| 7 |
E |
2660 |
2431 |
4.09 |
|
|
|
| 7 |
E |
2660 |
2431 |
4.09 |
|
|
|
| 8 |
E |
1043 |
953 |
55.59 |
|
|
|
| 8 |
E |
1043 |
953 |
55.58 |
|
|
|
| 9 |
E |
835 |
763 |
60.75 |
|
|
|
| 9 |
E |
835 |
763 |
60.75 |
|
|
|
| 10 |
E |
656 |
600 |
73.45 |
|
|
|
| 10 |
E |
656 |
600 |
73.45 |
|
|
|
| 11 |
E |
254 |
232 |
0.47 |
|
|
|
| 11 |
E |
254 |
232 |
0.47 |
|
|
|
| 12 |
E |
157 |
143 |
0.14 |
|
|
|
| 12 |
E |
157 |
143 |
0.14 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 8295.4 cm
-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 7578.7 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 PBEPBE/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Si |
0.576 |
|
|
|
| 2 |
C |
-0.049 |
|
|
|
| 3 |
H |
-0.079 |
|
|
|
| 4 |
H |
-0.079 |
|
|
|
| 5 |
H |
-0.079 |
|
|
|
| 6 |
Cl |
-0.097 |
|
|
|
| 7 |
Cl |
-0.097 |
|
|
|
| 8 |
Cl |
-0.097 |
|
|
|
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 |
3.030 |
3.030 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-55.843 |
0.000 |
0.000 |
| y |
0.000 |
-55.843 |
0.000 |
| z |
0.000 |
0.000 |
-50.452 |
|
| Traceless |
| | x | y | z |
| x |
-2.695 |
0.000 |
0.000 |
| y |
0.000 |
-2.695 |
0.000 |
| z |
0.000 |
0.000 |
5.391 |
|
| Polar |
| 3z2-r2 | 10.782 |
| 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 |
5.389 |
0.000 |
0.000 |
| y |
0.000 |
5.389 |
0.000 |
| z |
0.000 |
0.000 |
3.793 |
<r2> (average value of r
2) Å
2
| <r2> |
286.045 |
| (<r2>)1/2 |
16.913 |