Vibrational Frequencies calculated at PBEPBEultrafine/6-311G*
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' |
3755 |
3716 |
46.30 |
97.56 |
0.30 |
0.46 |
2 |
A' |
2203 |
2180 |
100.85 |
131.21 |
0.26 |
0.41 |
3 |
A' |
2138 |
2116 |
104.32 |
201.28 |
0.09 |
0.16 |
4 |
A' |
991 |
980 |
198.43 |
17.57 |
0.71 |
0.83 |
5 |
A' |
931 |
922 |
108.22 |
22.15 |
0.75 |
0.86 |
6 |
A' |
889 |
880 |
32.74 |
19.30 |
0.73 |
0.85 |
7 |
A' |
799 |
791 |
170.75 |
9.52 |
0.26 |
0.41 |
8 |
A' |
673 |
666 |
75.79 |
9.05 |
0.71 |
0.83 |
9 |
A" |
2133 |
2111 |
190.70 |
90.33 |
0.75 |
0.86 |
10 |
A" |
901 |
891 |
76.71 |
28.66 |
0.75 |
0.86 |
11 |
A" |
696 |
688 |
74.69 |
18.06 |
0.75 |
0.86 |
12 |
A" |
238 |
236 |
135.18 |
2.90 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8173.3 cm
-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 8088.3 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/6-311G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.540 |
|
|
|
2 |
O |
-0.723 |
|
|
|
3 |
H |
-0.058 |
|
|
|
4 |
H |
-0.087 |
|
|
|
5 |
H |
-0.087 |
|
|
|
6 |
H |
0.415 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.550 |
0.122 |
0.000 |
1.555 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-20.135 |
-3.335 |
0.000 |
y |
-3.335 |
-20.380 |
0.000 |
z |
0.000 |
0.000 |
-22.162 |
|
Traceless |
| x | y | z |
x |
1.137 |
-3.335 |
0.000 |
y |
-3.335 |
0.768 |
0.000 |
z |
0.000 |
0.000 |
-1.905 |
|
Polar |
3z2-r2 | -3.809 |
x2-y2 | 0.246 |
xy | -3.335 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.267 |
-0.043 |
0.000 |
y |
-0.043 |
4.086 |
0.000 |
z |
0.000 |
0.000 |
4.032 |
<r2> (average value of r
2) Å
2
<r2> |
39.967 |
(<r2>)1/2 |
6.322 |