Vibrational Frequencies calculated at B3LYP/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 |
3060 |
2943 |
10.46 |
|
|
|
| 2 |
A1 |
2152 |
2071 |
78.26 |
|
|
|
| 3 |
A1 |
1364 |
1312 |
14.23 |
|
|
|
| 4 |
A1 |
906 |
871 |
201.66 |
|
|
|
| 5 |
A1 |
673 |
648 |
4.85 |
|
|
|
| 6 |
A2 |
171 |
165 |
0.00 |
|
|
|
| 7 |
E |
3150 |
3030 |
12.43 |
|
|
|
| 7 |
E |
3150 |
3030 |
12.43 |
|
|
|
| 8 |
E |
2167 |
2085 |
189.30 |
|
|
|
| 8 |
E |
2167 |
2085 |
189.32 |
|
|
|
| 9 |
E |
1515 |
1457 |
6.82 |
|
|
|
| 9 |
E |
1515 |
1457 |
6.82 |
|
|
|
| 10 |
E |
945 |
910 |
0.10 |
|
|
|
| 10 |
E |
945 |
910 |
0.10 |
|
|
|
| 11 |
E |
926 |
890 |
105.60 |
|
|
|
| 11 |
E |
926 |
890 |
105.60 |
|
|
|
| 12 |
E |
526 |
506 |
13.73 |
|
|
|
| 12 |
E |
526 |
506 |
13.74 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13390.9 cm
-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 12882.1 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 B3LYP/6-31G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.702 |
|
|
|
| 2 |
Si |
0.541 |
|
|
|
| 3 |
H |
0.166 |
|
|
|
| 4 |
H |
0.166 |
|
|
|
| 5 |
H |
0.166 |
|
|
|
| 6 |
H |
-0.113 |
|
|
|
| 7 |
H |
-0.113 |
|
|
|
| 8 |
H |
-0.113 |
|
|
|
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 |
-0.750 |
0.750 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-23.240 |
0.000 |
0.000 |
| y |
0.000 |
-23.240 |
0.000 |
| z |
0.000 |
0.000 |
-23.250 |
|
| Traceless |
| | x | y | z |
| x |
0.005 |
0.000 |
0.000 |
| y |
0.000 |
0.005 |
0.000 |
| z |
0.000 |
0.000 |
-0.011 |
|
| Polar |
| 3z2-r2 | -0.021 |
| 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 |
4.781 |
0.000 |
0.000 |
| y |
0.000 |
4.781 |
0.000 |
| z |
0.000 |
0.000 |
5.461 |
<r2> (average value of r
2) Å
2
| <r2> |
51.583 |
| (<r2>)1/2 |
7.182 |