Vibrational Frequencies calculated at B3LYP/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 |
2231 |
2154 |
41.36 |
|
|
|
| 2 |
A1 |
921 |
889 |
190.10 |
|
|
|
| 3 |
A1 |
866 |
836 |
54.44 |
|
|
|
| 4 |
A1 |
410 |
396 |
10.71 |
|
|
|
| 5 |
A1 |
272 |
263 |
10.66 |
|
|
|
| 6 |
A2 |
187 |
181 |
0.00 |
|
|
|
| 7 |
E |
2259 |
2181 |
92.34 |
|
|
|
| 7 |
E |
2259 |
2181 |
92.36 |
|
|
|
| 8 |
E |
932 |
900 |
58.25 |
|
|
|
| 8 |
E |
932 |
900 |
58.25 |
|
|
|
| 9 |
E |
732 |
707 |
60.89 |
|
|
|
| 9 |
E |
732 |
707 |
60.92 |
|
|
|
| 10 |
E |
601 |
581 |
86.69 |
|
|
|
| 10 |
E |
601 |
581 |
86.71 |
|
|
|
| 11 |
E |
262 |
253 |
0.13 |
|
|
|
| 11 |
E |
262 |
253 |
0.13 |
|
|
|
| 12 |
E |
156 |
151 |
0.06 |
|
|
|
| 12 |
E |
156 |
151 |
0.06 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 7384.5 cm
-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 7131.2 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 B3LYP/CEP-31G*
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Si |
0.040 |
|
|
|
| 2 |
C |
-0.099 |
|
|
|
| 3 |
H |
0.053 |
|
|
|
| 4 |
H |
0.053 |
|
|
|
| 5 |
H |
0.053 |
|
|
|
| 6 |
Cl |
-0.034 |
|
|
|
| 7 |
Cl |
-0.034 |
|
|
|
| 8 |
Cl |
-0.034 |
|
|
|
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 |
1.973 |
1.973 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-55.541 |
0.000 |
0.000 |
| y |
0.000 |
-55.541 |
0.000 |
| z |
0.000 |
0.000 |
-52.510 |
|
| Traceless |
| | x | y | z |
| x |
-1.515 |
0.000 |
0.000 |
| y |
0.000 |
-1.515 |
0.000 |
| z |
0.000 |
0.000 |
3.030 |
|
| Polar |
| 3z2-r2 | 6.061 |
| 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 |
9.869 |
0.000 |
0.000 |
| y |
0.000 |
9.869 |
0.000 |
| z |
0.000 |
0.000 |
8.500 |
<r2> (average value of r
2) Å
2
| <r2> |
141.642 |
| (<r2>)1/2 |
11.901 |