Vibrational Frequencies calculated at B97D3/3-21G
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 |
2998 |
2947 |
8.67 |
|
|
|
2 |
A1 |
2141 |
2105 |
68.44 |
|
|
|
3 |
A1 |
1336 |
1313 |
11.18 |
|
|
|
4 |
A1 |
894 |
878 |
200.08 |
|
|
|
5 |
A1 |
666 |
654 |
3.84 |
|
|
|
6 |
A2 |
171 |
168 |
0.00 |
|
|
|
7 |
E |
3081 |
3029 |
11.37 |
|
|
|
7 |
E |
3081 |
3029 |
11.37 |
|
|
|
8 |
E |
2154 |
2117 |
157.28 |
|
|
|
8 |
E |
2154 |
2117 |
157.27 |
|
|
|
9 |
E |
1509 |
1483 |
5.73 |
|
|
|
9 |
E |
1509 |
1483 |
5.73 |
|
|
|
10 |
E |
932 |
917 |
1.45 |
|
|
|
10 |
E |
932 |
917 |
1.45 |
|
|
|
11 |
E |
910 |
895 |
98.98 |
|
|
|
11 |
E |
910 |
895 |
98.97 |
|
|
|
12 |
E |
518 |
510 |
11.34 |
|
|
|
12 |
E |
518 |
510 |
11.33 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 13206.4 cm
-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 12981.8 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 B97D3/3-21G
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
C |
-0.928 |
|
|
|
2 |
Si |
0.604 |
|
|
|
3 |
H |
0.219 |
|
|
|
4 |
H |
0.219 |
|
|
|
5 |
H |
0.219 |
|
|
|
6 |
H |
-0.111 |
|
|
|
7 |
H |
-0.111 |
|
|
|
8 |
H |
-0.111 |
|
|
|
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 |
-0.737 |
0.737 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-23.333 |
0.000 |
0.000 |
y |
0.000 |
-23.333 |
0.000 |
z |
0.000 |
0.000 |
-23.347 |
|
Traceless |
| x | y | z |
x |
0.007 |
0.000 |
0.000 |
y |
0.000 |
0.007 |
0.000 |
z |
0.000 |
0.000 |
-0.014 |
|
Polar |
3z2-r2 | -0.027 |
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 |
4.650 |
0.000 |
0.000 |
y |
0.000 |
4.650 |
0.000 |
z |
0.000 |
0.000 |
5.394 |
<r2> (average value of r
2) Å
2
<r2> |
51.993 |
(<r2>)1/2 |
7.211 |