Vibrational Frequencies calculated at B3LYP/6-311+G(3df,2p)
| 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 |
3028 |
2929 |
5.33 |
|
|
|
| 2 |
A1 |
2215 |
2142 |
66.01 |
|
|
|
| 3 |
A1 |
1298 |
1255 |
13.13 |
|
|
|
| 4 |
A1 |
950 |
918 |
214.84 |
|
|
|
| 5 |
A1 |
695 |
672 |
11.36 |
|
|
|
| 6 |
A2 |
198 |
192 |
0.00 |
|
|
|
| 7 |
E |
3100 |
2998 |
8.34 |
|
|
|
| 7 |
E |
3100 |
2998 |
8.34 |
|
|
|
| 8 |
E |
2214 |
2141 |
139.34 |
|
|
|
| 8 |
E |
2214 |
2141 |
139.36 |
|
|
|
| 9 |
E |
1467 |
1419 |
2.64 |
|
|
|
| 9 |
E |
1467 |
1419 |
2.64 |
|
|
|
| 10 |
E |
963 |
931 |
41.65 |
|
|
|
| 10 |
E |
963 |
931 |
41.66 |
|
|
|
| 11 |
E |
889 |
860 |
58.36 |
|
|
|
| 11 |
E |
889 |
860 |
58.36 |
|
|
|
| 12 |
E |
524 |
507 |
9.82 |
|
|
|
| 12 |
E |
524 |
507 |
9.81 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13349.8 cm
-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 12909.2 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/6-311+G(3df,2p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.624 |
|
|
|
| 2 |
Si |
0.416 |
|
|
|
| 3 |
H |
0.148 |
|
|
|
| 4 |
H |
0.148 |
|
|
|
| 5 |
H |
0.148 |
|
|
|
| 6 |
H |
-0.079 |
|
|
|
| 7 |
H |
-0.079 |
|
|
|
| 8 |
H |
-0.079 |
|
|
|
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 |
-0.783 |
0.783 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
5.947 |
0.000 |
0.000 |
| y |
0.000 |
5.947 |
0.000 |
| z |
0.000 |
0.000 |
7.053 |
<r2> (average value of r
2) Å
2
| <r2> |
50.357 |
| (<r2>)1/2 |
7.096 |