Vibrational Frequencies calculated at wB97X-D/TZVP
| 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 |
3068 |
2930 |
5.69 |
|
|
|
| 2 |
A1 |
2189 |
2091 |
66.80 |
|
|
|
| 3 |
A1 |
1312 |
1253 |
20.60 |
|
|
|
| 4 |
A1 |
944 |
902 |
226.89 |
|
|
|
| 5 |
A1 |
714 |
682 |
10.20 |
|
|
|
| 6 |
A2 |
204 |
195 |
0.00 |
|
|
|
| 7 |
E |
3153 |
3011 |
7.97 |
|
|
|
| 7 |
E |
3153 |
3011 |
7.94 |
|
|
|
| 8 |
E |
2186 |
2088 |
147.81 |
|
|
|
| 8 |
E |
2186 |
2088 |
147.80 |
|
|
|
| 9 |
E |
1477 |
1410 |
5.61 |
|
|
|
| 9 |
E |
1477 |
1410 |
5.59 |
|
|
|
| 10 |
E |
966 |
923 |
43.84 |
|
|
|
| 10 |
E |
966 |
923 |
43.88 |
|
|
|
| 11 |
E |
897 |
856 |
65.72 |
|
|
|
| 11 |
E |
897 |
856 |
65.70 |
|
|
|
| 12 |
E |
527 |
503 |
11.50 |
|
|
|
| 12 |
E |
527 |
503 |
11.45 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13420.7 cm
-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 12816.8 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/TZVP
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.527 |
|
|
|
| 2 |
Si |
0.434 |
|
|
|
| 3 |
H |
0.136 |
|
|
|
| 4 |
H |
0.136 |
|
|
|
| 5 |
H |
0.136 |
|
|
|
| 6 |
H |
-0.105 |
|
|
|
| 7 |
H |
-0.105 |
|
|
|
| 8 |
H |
-0.105 |
|
|
|
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 |
-0.728 |
0.728 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-22.979 |
0.000 |
0.000 |
| y |
0.000 |
-22.979 |
0.000 |
| z |
0.000 |
0.000 |
-23.315 |
|
| Traceless |
| | x | y | z |
| x |
0.168 |
0.000 |
0.000 |
| y |
0.000 |
0.168 |
0.000 |
| z |
0.000 |
0.000 |
-0.336 |
|
| Polar |
| 3z2-r2 | -0.672 |
| 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 |
5.533 |
0.000 |
0.000 |
| y |
0.000 |
5.536 |
-0.001 |
| z |
0.000 |
-0.001 |
6.173 |
<r2> (average value of r
2) Å
2
| <r2> |
50.435 |
| (<r2>)1/2 |
7.102 |