Vibrational Frequencies calculated at B1B95/6-311G**
| 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 |
3055 |
2933 |
4.94 |
|
|
|
| 2 |
A1 |
2230 |
2141 |
66.38 |
|
|
|
| 3 |
A1 |
1290 |
1238 |
17.58 |
|
|
|
| 4 |
A1 |
936 |
899 |
226.52 |
|
|
|
| 5 |
A1 |
706 |
678 |
10.12 |
|
|
|
| 6 |
A2 |
197 |
189 |
0.00 |
|
|
|
| 7 |
E |
3141 |
3016 |
7.66 |
|
|
|
| 7 |
E |
3141 |
3016 |
7.66 |
|
|
|
| 8 |
E |
2232 |
2143 |
138.90 |
|
|
|
| 8 |
E |
2232 |
2143 |
138.91 |
|
|
|
| 9 |
E |
1460 |
1402 |
4.92 |
|
|
|
| 9 |
E |
1460 |
1402 |
4.92 |
|
|
|
| 10 |
E |
955 |
917 |
39.35 |
|
|
|
| 10 |
E |
955 |
917 |
39.35 |
|
|
|
| 11 |
E |
886 |
851 |
71.82 |
|
|
|
| 11 |
E |
886 |
851 |
71.83 |
|
|
|
| 12 |
E |
518 |
497 |
9.99 |
|
|
|
| 12 |
E |
518 |
497 |
9.98 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13399.0 cm
-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 12864.4 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 B1B95/6-311G**
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.658 |
|
|
|
| 2 |
Si |
0.561 |
|
|
|
| 3 |
H |
0.151 |
|
|
|
| 4 |
H |
0.151 |
|
|
|
| 5 |
H |
0.151 |
|
|
|
| 6 |
H |
-0.119 |
|
|
|
| 7 |
H |
-0.119 |
|
|
|
| 8 |
H |
-0.119 |
|
|
|
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 |
-0.775 |
0.775 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-22.984 |
0.000 |
0.000 |
| y |
0.000 |
-22.984 |
0.000 |
| z |
0.000 |
0.000 |
-23.225 |
|
| Traceless |
| | x | y | z |
| x |
0.121 |
0.000 |
0.000 |
| y |
0.000 |
0.121 |
0.000 |
| z |
0.000 |
0.000 |
-0.241 |
|
| Polar |
| 3z2-r2 | -0.482 |
| 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 |
5.392 |
0.000 |
0.000 |
| y |
0.000 |
5.392 |
0.000 |
| z |
0.000 |
0.000 |
6.028 |
<r2> (average value of r
2) Å
2
| <r2> |
50.181 |
| (<r2>)1/2 |
7.084 |