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 |
2355 |
2115 |
52.01 |
|
|
|
| 2 |
A1 |
1006 |
903 |
234.94 |
|
|
|
| 3 |
A1 |
953 |
856 |
77.90 |
|
|
|
| 4 |
A1 |
457 |
410 |
10.01 |
|
|
|
| 5 |
A1 |
299 |
268 |
12.64 |
|
|
|
| 6 |
A2 |
192 |
173 |
0.00 |
|
|
|
| 7 |
E |
2372 |
2130 |
122.44 |
|
|
|
| 7 |
E |
2372 |
2130 |
122.44 |
|
|
|
| 8 |
E |
1016 |
912 |
85.63 |
|
|
|
| 8 |
E |
1016 |
912 |
85.63 |
|
|
|
| 9 |
E |
872 |
783 |
70.15 |
|
|
|
| 9 |
E |
872 |
783 |
70.15 |
|
|
|
| 10 |
E |
668 |
599 |
66.48 |
|
|
|
| 10 |
E |
668 |
599 |
66.48 |
|
|
|
| 11 |
E |
293 |
263 |
0.04 |
|
|
|
| 11 |
E |
293 |
263 |
0.04 |
|
|
|
| 12 |
E |
177 |
159 |
0.05 |
|
|
|
| 12 |
E |
177 |
159 |
0.05 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 8028.3 cm
-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 7209.4 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 |
0.213 |
|
|
|
| 2 |
C |
-0.019 |
|
|
|
| 3 |
H |
0.002 |
|
|
|
| 4 |
H |
0.002 |
|
|
|
| 5 |
H |
0.002 |
|
|
|
| 6 |
Cl |
-0.067 |
|
|
|
| 7 |
Cl |
-0.067 |
|
|
|
| 8 |
Cl |
-0.067 |
|
|
|
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 |
2.266 |
2.266 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-56.295 |
0.000 |
0.000 |
| y |
0.000 |
-56.295 |
0.000 |
| z |
0.000 |
0.000 |
-52.590 |
|
| Traceless |
| | x | y | z |
| x |
-1.852 |
0.000 |
0.000 |
| y |
0.000 |
-1.852 |
0.000 |
| z |
0.000 |
0.000 |
3.705 |
|
| Polar |
| 3z2-r2 | 7.410 |
| 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 |
9.021 |
0.000 |
0.000 |
| y |
0.000 |
9.021 |
0.000 |
| z |
0.000 |
0.000 |
7.497 |
<r2> (average value of r
2) Å
2
| <r2> |
139.364 |
| (<r2>)1/2 |
11.805 |