Vibrational Frequencies calculated at HF/CEP-31G
| 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 |
2279 |
2054 |
48.34 |
|
|
|
| 2 |
A1 |
940 |
848 |
298.56 |
|
|
|
| 3 |
A1 |
899 |
810 |
4.51 |
|
|
|
| 4 |
A1 |
421 |
380 |
14.00 |
|
|
|
| 5 |
A1 |
290 |
261 |
15.39 |
|
|
|
| 6 |
A2 |
166 |
150 |
0.00 |
|
|
|
| 7 |
E |
2312 |
2084 |
128.96 |
|
|
|
| 7 |
E |
2312 |
2084 |
128.96 |
|
|
|
| 8 |
E |
973 |
877 |
84.43 |
|
|
|
| 8 |
E |
973 |
877 |
84.43 |
|
|
|
| 9 |
E |
799 |
720 |
52.15 |
|
|
|
| 9 |
E |
799 |
720 |
52.15 |
|
|
|
| 10 |
E |
638 |
575 |
89.63 |
|
|
|
| 10 |
E |
638 |
575 |
89.63 |
|
|
|
| 11 |
E |
285 |
257 |
0.39 |
|
|
|
| 11 |
E |
285 |
257 |
0.39 |
|
|
|
| 12 |
E |
182 |
164 |
0.00 |
|
|
|
| 12 |
E |
182 |
164 |
0.00 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 7686.5 cm
-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 6928.6 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 HF/CEP-31G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Si |
0.727 |
|
|
|
| 2 |
C |
-0.512 |
|
|
|
| 3 |
H |
-0.102 |
|
|
|
| 4 |
H |
-0.102 |
|
|
|
| 5 |
H |
-0.102 |
|
|
|
| 6 |
Cl |
0.031 |
|
|
|
| 7 |
Cl |
0.031 |
|
|
|
| 8 |
Cl |
0.031 |
|
|
|
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 |
3.079 |
3.079 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-59.078 |
0.000 |
0.000 |
| y |
0.000 |
-59.078 |
0.000 |
| z |
0.000 |
0.000 |
-53.297 |
|
| Traceless |
| | x | y | z |
| x |
-2.891 |
0.000 |
0.000 |
| y |
0.000 |
-2.891 |
0.000 |
| z |
0.000 |
0.000 |
5.781 |
|
| Polar |
| 3z2-r2 | 11.562 |
| 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 |
9.240 |
0.000 |
0.000 |
| y |
0.000 |
9.240 |
0.000 |
| z |
0.000 |
0.000 |
6.654 |
<r2> (average value of r
2) Å
2
| <r2> |
146.104 |
| (<r2>)1/2 |
12.087 |