Vibrational Frequencies calculated at B3LYP/6-31G**
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
A' |
3887 |
3735 |
64.36 |
89.37 |
0.28 |
0.44 |
2 |
A' |
2275 |
2186 |
127.49 |
101.25 |
0.24 |
0.39 |
3 |
A' |
2220 |
2133 |
119.46 |
149.99 |
0.09 |
0.16 |
4 |
A' |
1032 |
991 |
218.84 |
14.92 |
0.69 |
0.81 |
5 |
A' |
976 |
938 |
107.45 |
17.92 |
0.75 |
0.86 |
6 |
A' |
912 |
877 |
44.67 |
12.40 |
0.71 |
0.83 |
7 |
A' |
845 |
812 |
164.80 |
7.61 |
0.19 |
0.32 |
8 |
A' |
696 |
668 |
71.25 |
5.78 |
0.67 |
0.80 |
9 |
A" |
2213 |
2127 |
221.68 |
63.12 |
0.75 |
0.86 |
10 |
A" |
949 |
911 |
87.40 |
20.74 |
0.75 |
0.86 |
11 |
A" |
731 |
702 |
76.53 |
11.09 |
0.75 |
0.86 |
12 |
A" |
222 |
213 |
115.58 |
2.61 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8478.2 cm
-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 8145.8 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 B3LYP/6-31G**
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.637 |
|
|
|
2 |
O |
-0.613 |
|
|
|
3 |
H |
-0.101 |
|
|
|
4 |
H |
-0.123 |
|
|
|
5 |
H |
-0.123 |
|
|
|
6 |
H |
0.322 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.459 |
0.015 |
0.000 |
1.459 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-19.694 |
-3.017 |
0.000 |
y |
-3.017 |
-20.104 |
0.000 |
z |
0.000 |
0.000 |
-21.597 |
|
Traceless |
| x | y | z |
x |
1.157 |
-3.017 |
0.000 |
y |
-3.017 |
0.541 |
0.000 |
z |
0.000 |
0.000 |
-1.698 |
|
Polar |
3z2-r2 | -3.396 |
x2-y2 | 0.410 |
xy | -3.017 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
3.693 |
-0.142 |
0.000 |
y |
-0.142 |
3.687 |
0.000 |
z |
0.000 |
0.000 |
3.453 |
<r2> (average value of r
2) Å
2
<r2> |
39.307 |
(<r2>)1/2 |
6.270 |