Vibrational Frequencies calculated at PBEPBE/3-21G*
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
A1 |
2213 |
2110 |
71.36 |
214.52 |
0.00 |
0.00 |
2 |
A1 |
896 |
854 |
367.52 |
16.24 |
0.67 |
0.80 |
3 |
A1 |
367 |
350 |
20.97 |
14.52 |
0.23 |
0.37 |
4 |
E |
2233 |
2129 |
80.82 |
80.88 |
0.75 |
0.86 |
4 |
E |
2233 |
2129 |
80.83 |
80.87 |
0.75 |
0.86 |
5 |
E |
909 |
867 |
39.53 |
22.84 |
0.75 |
0.86 |
5 |
E |
909 |
867 |
39.53 |
22.84 |
0.75 |
0.86 |
6 |
E |
584 |
557 |
9.15 |
10.90 |
0.75 |
0.86 |
6 |
E |
584 |
557 |
9.15 |
10.90 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 5463.7 cm
-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 5209.7 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 PBEPBE/3-21G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.186 |
|
|
|
2 |
I |
-0.159 |
|
|
|
3 |
H |
-0.009 |
|
|
|
4 |
H |
-0.009 |
|
|
|
5 |
H |
-0.009 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
0.000 |
0.000 |
-0.999 |
0.999 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-44.258 |
0.000 |
0.000 |
y |
0.000 |
-44.258 |
0.000 |
z |
0.000 |
0.000 |
-39.825 |
|
Traceless |
| x | y | z |
x |
-2.216 |
0.000 |
0.000 |
y |
0.000 |
-2.216 |
0.000 |
z |
0.000 |
0.000 |
4.433 |
|
Polar |
3z2-r2 | 8.865 |
x2-y2 | 0.000 |
xy | 0.000 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
5.850 |
0.000 |
0.000 |
y |
0.000 |
5.850 |
0.000 |
z |
0.000 |
0.000 |
10.249 |
<r2> (average value of r
2) Å
2
<r2> |
116.715 |
(<r2>)1/2 |
10.803 |