Vibrational Frequencies calculated at PBEPBEultrafine/6-311+G(3df,2p)
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' |
3803 |
3803 |
75.93 |
85.14 |
0.21 |
0.35 |
2 |
A' |
2199 |
2199 |
91.86 |
123.13 |
0.22 |
0.36 |
3 |
A' |
2147 |
2147 |
83.43 |
233.77 |
0.06 |
0.11 |
4 |
A' |
953 |
953 |
155.19 |
2.16 |
0.75 |
0.86 |
5 |
A' |
932 |
932 |
79.95 |
6.86 |
0.73 |
0.84 |
6 |
A' |
885 |
885 |
28.76 |
7.35 |
0.47 |
0.64 |
7 |
A' |
807 |
807 |
149.42 |
8.98 |
0.20 |
0.33 |
8 |
A' |
659 |
659 |
58.16 |
3.73 |
0.67 |
0.80 |
9 |
A" |
2146 |
2146 |
153.72 |
70.89 |
0.75 |
0.86 |
10 |
A" |
913 |
913 |
58.03 |
8.50 |
0.75 |
0.86 |
11 |
A" |
684 |
684 |
51.90 |
6.77 |
0.75 |
0.86 |
12 |
A" |
188 |
188 |
92.26 |
0.56 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8158.6 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8158.6 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 PBEPBEultrafine/6-311+G(3df,2p)
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.509 |
|
|
|
2 |
O |
-0.501 |
|
|
|
3 |
H |
-0.070 |
|
|
|
4 |
H |
-0.074 |
|
|
|
5 |
H |
-0.074 |
|
|
|
6 |
H |
0.209 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.277 |
0.056 |
0.000 |
1.278 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-20.145 |
-2.911 |
0.000 |
y |
-2.911 |
-20.753 |
0.000 |
z |
0.000 |
0.000 |
-22.144 |
|
Traceless |
| x | y | z |
x |
1.304 |
-2.911 |
0.000 |
y |
-2.911 |
0.391 |
0.000 |
z |
0.000 |
0.000 |
-1.695 |
|
Polar |
3z2-r2 | -3.390 |
x2-y2 | 0.608 |
xy | -2.911 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
5.042 |
-0.007 |
0.000 |
y |
-0.007 |
5.196 |
0.000 |
z |
0.000 |
0.000 |
5.023 |
<r2> (average value of r
2) Å
2
<r2> |
39.757 |
(<r2>)1/2 |
6.305 |