Vibrational Frequencies calculated at B97D3/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 |
2986 |
2941 |
7.84 |
|
|
|
| 2 |
A1 |
2161 |
2128 |
68.06 |
|
|
|
| 3 |
A1 |
1264 |
1244 |
8.03 |
|
|
|
| 4 |
A1 |
920 |
906 |
201.57 |
|
|
|
| 5 |
A1 |
671 |
660 |
11.49 |
|
|
|
| 6 |
A2 |
183 |
180 |
0.00 |
|
|
|
| 7 |
E |
3063 |
3016 |
10.64 |
|
|
|
| 7 |
E |
3063 |
3016 |
10.64 |
|
|
|
| 8 |
E |
2166 |
2133 |
142.84 |
|
|
|
| 8 |
E |
2166 |
2133 |
142.83 |
|
|
|
| 9 |
E |
1437 |
1415 |
2.07 |
|
|
|
| 9 |
E |
1437 |
1415 |
2.07 |
|
|
|
| 10 |
E |
938 |
924 |
36.69 |
|
|
|
| 10 |
E |
938 |
924 |
36.67 |
|
|
|
| 11 |
E |
871 |
857 |
54.86 |
|
|
|
| 11 |
E |
871 |
857 |
54.88 |
|
|
|
| 12 |
E |
513 |
505 |
9.57 |
|
|
|
| 12 |
E |
513 |
505 |
9.58 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13080.0 cm
-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 12879.9 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 B97D3/aug-cc-pVTZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.575 |
|
|
|
| 2 |
Si |
0.889 |
|
|
|
| 3 |
H |
0.150 |
|
|
|
| 4 |
H |
0.150 |
|
|
|
| 5 |
H |
0.150 |
|
|
|
| 6 |
H |
-0.254 |
|
|
|
| 7 |
H |
-0.254 |
|
|
|
| 8 |
H |
-0.254 |
|
|
|
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 |
-0.787 |
0.787 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-23.170 |
0.000 |
0.000 |
| y |
0.000 |
-23.170 |
0.000 |
| z |
0.000 |
0.000 |
-23.430 |
|
| Traceless |
| | x | y | z |
| x |
0.130 |
0.000 |
0.000 |
| y |
0.000 |
0.130 |
0.000 |
| z |
0.000 |
0.000 |
-0.261 |
|
| Polar |
| 3z2-r2 | -0.522 |
| 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 |
6.316 |
0.000 |
0.000 |
| y |
0.000 |
6.316 |
-0.000 |
| z |
0.000 |
-0.000 |
7.490 |
<r2> (average value of r
2) Å
2
| <r2> |
50.793 |
| (<r2>)1/2 |
7.127 |