Vibrational Frequencies calculated at HF/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 |
3151 |
2863 |
8.23 |
|
|
|
| 2 |
A1 |
2312 |
2101 |
81.99 |
|
|
|
| 3 |
A1 |
1410 |
1281 |
16.10 |
|
|
|
| 4 |
A1 |
1032 |
938 |
268.00 |
|
|
|
| 5 |
A1 |
726 |
659 |
12.05 |
|
|
|
| 6 |
A2 |
210 |
191 |
0.00 |
|
|
|
| 7 |
E |
3220 |
2926 |
17.46 |
|
|
|
| 7 |
E |
3220 |
2926 |
17.46 |
|
|
|
| 8 |
E |
2295 |
2085 |
187.54 |
|
|
|
| 8 |
E |
2295 |
2085 |
187.54 |
|
|
|
| 9 |
E |
1576 |
1432 |
2.10 |
|
|
|
| 9 |
E |
1576 |
1432 |
2.10 |
|
|
|
| 10 |
E |
1037 |
942 |
66.71 |
|
|
|
| 10 |
E |
1037 |
942 |
66.71 |
|
|
|
| 11 |
E |
951 |
864 |
62.76 |
|
|
|
| 11 |
E |
951 |
864 |
62.76 |
|
|
|
| 12 |
E |
557 |
506 |
13.45 |
|
|
|
| 12 |
E |
557 |
506 |
13.45 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 14055.3 cm
-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 12770.6 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 HF/6-311+G(3df,2p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.627 |
|
|
|
| 2 |
Si |
0.585 |
|
|
|
| 3 |
H |
0.122 |
|
|
|
| 4 |
H |
0.122 |
|
|
|
| 5 |
H |
0.122 |
|
|
|
| 6 |
H |
-0.108 |
|
|
|
| 7 |
H |
-0.108 |
|
|
|
| 8 |
H |
-0.108 |
|
|
|
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 |
-0.722 |
0.722 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-23.258 |
0.000 |
0.000 |
| y |
0.000 |
-23.258 |
0.000 |
| z |
0.000 |
0.000 |
-23.597 |
|
| Traceless |
| | x | y | z |
| x |
0.170 |
0.000 |
0.000 |
| y |
0.000 |
0.170 |
0.000 |
| z |
0.000 |
0.000 |
-0.340 |
|
| Polar |
| 3z2-r2 | -0.679 |
| 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 |
5.547 |
0.000 |
0.000 |
| y |
0.000 |
5.547 |
0.000 |
| z |
0.000 |
0.000 |
6.411 |
<r2> (average value of r
2) Å
2
| <r2> |
50.268 |
| (<r2>)1/2 |
7.090 |