Vibrational Frequencies calculated at HF/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 |
A' |
4207 |
3822 |
119.35 |
69.23 |
0.28 |
0.44 |
2 |
A' |
2355 |
2140 |
114.04 |
154.99 |
0.14 |
0.25 |
3 |
A' |
2316 |
2104 |
142.81 |
159.29 |
0.14 |
0.24 |
4 |
A' |
1069 |
971 |
257.07 |
14.59 |
0.73 |
0.85 |
5 |
A' |
1052 |
956 |
156.49 |
15.57 |
0.75 |
0.86 |
6 |
A' |
928 |
843 |
21.03 |
7.45 |
0.62 |
0.77 |
7 |
A' |
889 |
808 |
261.89 |
7.43 |
0.44 |
0.61 |
8 |
A' |
713 |
648 |
91.97 |
7.00 |
0.75 |
0.86 |
9 |
A" |
2299 |
2089 |
231.55 |
71.01 |
0.75 |
0.86 |
10 |
A" |
1032 |
938 |
120.31 |
19.47 |
0.75 |
0.86 |
11 |
A" |
775 |
704 |
110.27 |
14.12 |
0.75 |
0.86 |
12 |
A" |
193 |
175 |
137.75 |
2.25 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8913.6 cm
-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8098.9 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 HF/TZVP
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.800 |
|
|
|
2 |
O |
-0.615 |
|
|
|
3 |
H |
-0.151 |
|
|
|
4 |
H |
-0.171 |
|
|
|
5 |
H |
-0.171 |
|
|
|
6 |
H |
0.307 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.481 |
-0.149 |
0.000 |
1.489 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-20.201 |
-3.253 |
0.000 |
y |
-3.253 |
-20.659 |
0.000 |
z |
0.000 |
0.000 |
-22.015 |
|
Traceless |
| x | y | z |
x |
1.137 |
-3.253 |
0.000 |
y |
-3.253 |
0.449 |
0.000 |
z |
0.000 |
0.000 |
-1.586 |
|
Polar |
3z2-r2 | -3.172 |
x2-y2 | 0.458 |
xy | -3.253 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
3.945 |
-0.065 |
0.000 |
y |
-0.065 |
3.561 |
0.000 |
z |
0.000 |
0.000 |
3.787 |
<r2> (average value of r
2) Å
2
<r2> |
39.242 |
(<r2>)1/2 |
6.264 |