Vibrational Frequencies calculated at PBEPBE/Def2TZVPP
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' |
3797 |
3751 |
73.40 |
86.43 |
0.23 |
0.38 |
2 |
A' |
2193 |
2166 |
93.39 |
120.19 |
0.23 |
0.38 |
3 |
A' |
2142 |
2116 |
83.38 |
216.86 |
0.06 |
0.12 |
4 |
A' |
960 |
948 |
159.85 |
4.32 |
0.74 |
0.85 |
5 |
A' |
933 |
921 |
82.37 |
9.35 |
0.74 |
0.85 |
6 |
A' |
888 |
877 |
23.92 |
9.72 |
0.60 |
0.75 |
7 |
A' |
814 |
804 |
151.95 |
7.97 |
0.24 |
0.39 |
8 |
A' |
661 |
653 |
59.43 |
4.30 |
0.69 |
0.82 |
9 |
A" |
2140 |
2115 |
158.61 |
69.75 |
0.75 |
0.86 |
10 |
A" |
912 |
901 |
60.69 |
12.42 |
0.75 |
0.86 |
11 |
A" |
690 |
681 |
55.28 |
9.31 |
0.75 |
0.86 |
12 |
A" |
185 |
183 |
94.30 |
1.34 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8156.2 cm
-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8057.5 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 PBEPBE/Def2TZVPP
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.388 |
|
|
|
2 |
O |
-0.367 |
|
|
|
3 |
H |
-0.059 |
|
|
|
4 |
H |
-0.076 |
|
|
|
5 |
H |
-0.076 |
|
|
|
6 |
H |
0.191 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.277 |
0.133 |
0.000 |
1.284 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-20.111 |
-2.887 |
0.000 |
y |
-2.887 |
-20.537 |
0.000 |
z |
0.000 |
0.000 |
-22.038 |
|
Traceless |
| x | y | z |
x |
1.176 |
-2.887 |
0.000 |
y |
-2.887 |
0.537 |
0.000 |
z |
0.000 |
0.000 |
-1.713 |
|
Polar |
3z2-r2 | -3.427 |
x2-y2 | 0.426 |
xy | -2.887 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.831 |
-0.045 |
0.000 |
y |
-0.045 |
4.827 |
0.000 |
z |
0.000 |
0.000 |
4.696 |
<r2> (average value of r
2) Å
2
<r2> |
39.654 |
(<r2>)1/2 |
6.297 |