Vibrational Frequencies calculated at BLYP/6-31G**
| 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 |
2978 |
2955 |
6.34 |
|
|
|
| 2 |
A1 |
2164 |
2147 |
69.06 |
|
|
|
| 3 |
A1 |
1280 |
1270 |
7.23 |
|
|
|
| 4 |
A1 |
926 |
918 |
201.06 |
|
|
|
| 5 |
A1 |
665 |
659 |
8.63 |
|
|
|
| 6 |
A2 |
192 |
191 |
0.00 |
|
|
|
| 7 |
E |
3055 |
3031 |
11.51 |
|
|
|
| 7 |
E |
3055 |
3031 |
11.51 |
|
|
|
| 8 |
E |
2170 |
2153 |
159.51 |
|
|
|
| 8 |
E |
2170 |
2153 |
159.53 |
|
|
|
| 9 |
E |
1446 |
1435 |
2.05 |
|
|
|
| 9 |
E |
1446 |
1435 |
2.05 |
|
|
|
| 10 |
E |
938 |
930 |
36.48 |
|
|
|
| 10 |
E |
938 |
930 |
36.48 |
|
|
|
| 11 |
E |
878 |
871 |
63.61 |
|
|
|
| 11 |
E |
878 |
871 |
63.61 |
|
|
|
| 12 |
E |
511 |
507 |
7.16 |
|
|
|
| 12 |
E |
511 |
507 |
7.16 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13099.0 cm
-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 12998.1 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 BLYP/6-31G**
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.475 |
|
|
|
| 2 |
Si |
0.366 |
|
|
|
| 3 |
H |
0.118 |
|
|
|
| 4 |
H |
0.118 |
|
|
|
| 5 |
H |
0.118 |
|
|
|
| 6 |
H |
-0.081 |
|
|
|
| 7 |
H |
-0.081 |
|
|
|
| 8 |
H |
-0.081 |
|
|
|
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 |
-0.834 |
0.834 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-22.830 |
0.000 |
0.000 |
| y |
0.000 |
-22.830 |
0.000 |
| z |
0.000 |
0.000 |
-22.834 |
|
| Traceless |
| | x | y | z |
| x |
0.002 |
0.000 |
0.000 |
| y |
0.000 |
0.002 |
0.000 |
| z |
0.000 |
0.000 |
-0.004 |
|
| Polar |
| 3z2-r2 | -0.008 |
| 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 |
0.000 |
0.000 |
0.000 |
| y |
0.000 |
0.000 |
0.000 |
| z |
0.000 |
0.000 |
0.000 |
<r2> (average value of r
2) Å
2
| <r2> |
50.930 |
| (<r2>)1/2 |
7.137 |