Vibrational Frequencies calculated at BLYP/aug-cc-pVTZ
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' |
3740 |
3727 |
66.27 |
96.25 |
0.19 |
0.32 |
2 |
A' |
2205 |
2198 |
100.69 |
132.47 |
0.20 |
0.34 |
3 |
A' |
2153 |
2145 |
90.37 |
262.85 |
0.05 |
0.09 |
4 |
A' |
965 |
962 |
164.12 |
2.31 |
0.75 |
0.85 |
5 |
A' |
945 |
942 |
90.86 |
4.86 |
0.72 |
0.84 |
6 |
A' |
890 |
887 |
40.33 |
6.06 |
0.40 |
0.57 |
7 |
A' |
799 |
796 |
142.55 |
9.92 |
0.19 |
0.32 |
8 |
A' |
668 |
666 |
57.68 |
3.05 |
0.60 |
0.75 |
9 |
A" |
2152 |
2144 |
166.67 |
71.56 |
0.75 |
0.86 |
10 |
A" |
928 |
925 |
65.52 |
6.47 |
0.75 |
0.86 |
11 |
A" |
692 |
690 |
52.90 |
5.21 |
0.75 |
0.86 |
12 |
A" |
194 |
193 |
90.91 |
0.59 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8164.8 cm
-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 8137.1 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 BLYP/aug-cc-pVTZ
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.985 |
|
|
|
2 |
O |
-0.471 |
|
|
|
3 |
H |
-0.192 |
|
|
|
4 |
H |
-0.204 |
|
|
|
5 |
H |
-0.204 |
|
|
|
6 |
H |
0.085 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.254 |
-0.059 |
0.000 |
1.256 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-20.426 |
-2.897 |
0.000 |
y |
-2.897 |
-21.068 |
0.000 |
z |
0.000 |
0.000 |
-22.328 |
|
Traceless |
| x | y | z |
x |
1.272 |
-2.897 |
0.000 |
y |
-2.897 |
0.309 |
0.000 |
z |
0.000 |
0.000 |
-1.581 |
|
Polar |
3z2-r2 | -3.161 |
x2-y2 | 0.642 |
xy | -2.897 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
5.253 |
-0.026 |
0.000 |
y |
-0.026 |
5.443 |
0.000 |
z |
0.000 |
0.000 |
5.201 |
<r2> (average value of r
2) Å
2
<r2> |
40.201 |
(<r2>)1/2 |
6.340 |