Vibrational Frequencies calculated at wB97X-D/aug-cc-pVQZ
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' |
3976 |
3976 |
92.96 |
76.85 |
0.18 |
0.31 |
2 |
A' |
2256 |
2256 |
87.85 |
171.16 |
0.10 |
0.18 |
3 |
A' |
2230 |
2230 |
112.03 |
192.27 |
0.08 |
0.15 |
4 |
A' |
999 |
999 |
179.83 |
1.54 |
0.74 |
0.85 |
5 |
A' |
978 |
978 |
94.37 |
4.65 |
0.73 |
0.84 |
6 |
A' |
906 |
906 |
11.67 |
7.33 |
0.29 |
0.45 |
7 |
A' |
845 |
845 |
196.47 |
4.67 |
0.25 |
0.40 |
8 |
A' |
683 |
683 |
67.87 |
2.41 |
0.63 |
0.77 |
9 |
A" |
2218 |
2218 |
175.09 |
58.91 |
0.75 |
0.86 |
10 |
A" |
961 |
961 |
71.89 |
5.45 |
0.75 |
0.86 |
11 |
A" |
724 |
724 |
66.28 |
4.26 |
0.75 |
0.86 |
12 |
A" |
183 |
183 |
98.04 |
0.56 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8478.6 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8478.6 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 wB97X-D/aug-cc-pVQZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.898 |
|
|
|
2 |
O |
-0.924 |
|
|
|
3 |
H |
-0.088 |
|
|
|
4 |
H |
-0.129 |
|
|
|
5 |
H |
-0.129 |
|
|
|
6 |
H |
0.373 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.281 |
0.070 |
0.000 |
1.283 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-19.989 |
-2.913 |
0.000 |
y |
-2.913 |
-20.458 |
0.000 |
z |
0.000 |
0.000 |
-21.846 |
|
Traceless |
| x | y | z |
x |
1.163 |
-2.913 |
0.000 |
y |
-2.913 |
0.459 |
0.000 |
z |
0.000 |
0.000 |
-1.622 |
|
Polar |
3z2-r2 | -3.244 |
x2-y2 | 0.469 |
xy | -2.913 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.935 |
-0.033 |
0.000 |
y |
-0.033 |
4.987 |
0.000 |
z |
0.000 |
0.000 |
4.883 |
<r2> (average value of r
2) Å
2
<r2> |
39.072 |
(<r2>)1/2 |
6.251 |