Vibrational Frequencies calculated at PBE1PBE/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 |
2692 |
2374 |
0.76 |
|
|
|
| 2 |
A1 |
1038 |
915 |
107.73 |
|
|
|
| 3 |
A1 |
977 |
862 |
145.07 |
|
|
|
| 4 |
A1 |
461 |
406 |
5.42 |
|
|
|
| 5 |
A1 |
286 |
253 |
13.58 |
|
|
|
| 6 |
A2 |
151 |
133 |
0.00 |
|
|
|
| 7 |
E |
2756 |
2431 |
2.45 |
|
|
|
| 7 |
E |
2756 |
2431 |
2.45 |
|
|
|
| 8 |
E |
1081 |
954 |
62.45 |
|
|
|
| 8 |
E |
1081 |
954 |
62.45 |
|
|
|
| 9 |
E |
903 |
797 |
57.87 |
|
|
|
| 9 |
E |
903 |
797 |
57.87 |
|
|
|
| 10 |
E |
690 |
609 |
62.39 |
|
|
|
| 10 |
E |
690 |
609 |
62.39 |
|
|
|
| 11 |
E |
268 |
236 |
0.94 |
|
|
|
| 11 |
E |
268 |
236 |
0.94 |
|
|
|
| 12 |
E |
165 |
146 |
0.16 |
|
|
|
| 12 |
E |
165 |
146 |
0.16 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 8665.4 cm
-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 7643.7 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 PBE1PBE/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Si |
0.603 |
|
|
|
| 2 |
C |
-0.047 |
|
|
|
| 3 |
H |
-0.084 |
|
|
|
| 4 |
H |
-0.084 |
|
|
|
| 5 |
H |
-0.084 |
|
|
|
| 6 |
Cl |
-0.102 |
|
|
|
| 7 |
Cl |
-0.102 |
|
|
|
| 8 |
Cl |
-0.102 |
|
|
|
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 |
3.121 |
3.121 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-56.177 |
0.000 |
0.000 |
| y |
0.000 |
-56.177 |
0.000 |
| z |
0.000 |
0.000 |
-50.546 |
|
| Traceless |
| | x | y | z |
| x |
-2.815 |
0.000 |
0.000 |
| y |
0.000 |
-2.815 |
0.000 |
| z |
0.000 |
0.000 |
5.630 |
|
| Polar |
| 3z2-r2 | 11.261 |
| 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 |
5.059 |
0.000 |
0.000 |
| y |
0.000 |
5.059 |
0.000 |
| z |
0.000 |
0.000 |
3.552 |
<r2> (average value of r
2) Å
2
| <r2> |
280.883 |
| (<r2>)1/2 |
16.760 |