Vibrational Frequencies calculated at wB97X-D/aug-cc-pVTZ
| 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 |
3064 |
2931 |
4.54 |
|
|
|
| 2 |
A1 |
2197 |
2102 |
64.02 |
|
|
|
| 3 |
A1 |
1301 |
1244 |
16.37 |
|
|
|
| 4 |
A1 |
945 |
904 |
209.48 |
|
|
|
| 5 |
A1 |
716 |
685 |
10.29 |
|
|
|
| 6 |
A2 |
205 |
196 |
0.00 |
|
|
|
| 7 |
E |
3145 |
3009 |
7.49 |
|
|
|
| 7 |
E |
3145 |
3009 |
7.46 |
|
|
|
| 8 |
E |
2194 |
2099 |
141.24 |
|
|
|
| 8 |
E |
2194 |
2099 |
141.19 |
|
|
|
| 9 |
E |
1472 |
1408 |
3.04 |
|
|
|
| 9 |
E |
1472 |
1408 |
3.03 |
|
|
|
| 10 |
E |
965 |
923 |
41.04 |
|
|
|
| 10 |
E |
965 |
923 |
41.20 |
|
|
|
| 11 |
E |
890 |
852 |
59.63 |
|
|
|
| 11 |
E |
890 |
852 |
59.55 |
|
|
|
| 12 |
E |
525 |
502 |
10.01 |
|
|
|
| 12 |
E |
525 |
502 |
10.01 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13404.6 cm
-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 12822.8 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 wB97X-D/aug-cc-pVTZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.935 |
|
|
|
| 2 |
Si |
0.744 |
|
|
|
| 3 |
H |
0.263 |
|
|
|
| 4 |
H |
0.263 |
|
|
|
| 5 |
H |
0.263 |
|
|
|
| 6 |
H |
-0.200 |
|
|
|
| 7 |
H |
-0.200 |
|
|
|
| 8 |
H |
-0.200 |
|
|
|
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 |
-0.785 |
0.785 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-22.951 |
0.000 |
0.000 |
| y |
0.000 |
-22.951 |
0.000 |
| z |
0.000 |
0.000 |
-23.198 |
|
| Traceless |
| | x | y | z |
| x |
0.123 |
0.000 |
0.000 |
| y |
0.000 |
0.123 |
0.000 |
| z |
0.000 |
0.000 |
-0.247 |
|
| Polar |
| 3z2-r2 | -0.493 |
| 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 |
6.071 |
0.000 |
0.000 |
| y |
0.000 |
6.074 |
-0.000 |
| z |
0.000 |
-0.000 |
7.068 |
<r2> (average value of r
2) Å
2
| <r2> |
50.164 |
| (<r2>)1/2 |
7.083 |