Vibrational Frequencies calculated at PBE1PBE/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' |
3964 |
3964 |
97.71 |
75.12 |
0.21 |
0.35 |
2 |
A' |
2260 |
2260 |
94.99 |
125.45 |
0.19 |
0.32 |
3 |
A' |
2214 |
2214 |
88.33 |
217.59 |
0.06 |
0.11 |
4 |
A' |
987 |
987 |
172.72 |
1.84 |
0.75 |
0.86 |
5 |
A' |
965 |
965 |
87.58 |
6.74 |
0.74 |
0.85 |
6 |
A' |
905 |
905 |
12.29 |
7.46 |
0.39 |
0.56 |
7 |
A' |
840 |
840 |
185.86 |
5.91 |
0.23 |
0.37 |
8 |
A' |
679 |
679 |
64.80 |
3.21 |
0.69 |
0.82 |
9 |
A" |
2210 |
2210 |
160.79 |
64.15 |
0.75 |
0.86 |
10 |
A" |
946 |
946 |
65.84 |
7.77 |
0.75 |
0.86 |
11 |
A" |
714 |
714 |
62.05 |
5.91 |
0.75 |
0.86 |
12 |
A" |
187 |
187 |
98.87 |
0.61 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 8436.5 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8436.5 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 PBE1PBE/6-311+G(3df,2p)
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.555 |
|
|
|
2 |
O |
-0.516 |
|
|
|
3 |
H |
-0.075 |
|
|
|
4 |
H |
-0.081 |
|
|
|
5 |
H |
-0.081 |
|
|
|
6 |
H |
0.198 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-1.298 |
0.076 |
0.000 |
1.301 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-19.973 |
-2.930 |
0.000 |
y |
-2.930 |
-20.506 |
0.000 |
z |
0.000 |
0.000 |
-21.913 |
|
Traceless |
| x | y | z |
x |
1.236 |
-2.930 |
0.000 |
y |
-2.930 |
0.437 |
0.000 |
z |
0.000 |
0.000 |
-1.673 |
|
Polar |
3z2-r2 | -3.346 |
x2-y2 | 0.533 |
xy | -2.930 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
4.787 |
-0.022 |
0.000 |
y |
-0.022 |
4.855 |
0.000 |
z |
0.000 |
0.000 |
4.754 |
<r2> (average value of r
2) Å
2
<r2> |
39.143 |
(<r2>)1/2 |
6.256 |