Vibrational Frequencies calculated at HF/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 |
A1 |
2390 |
2161 |
74.06 |
|
|
|
2 |
A1 |
1032 |
934 |
516.36 |
|
|
|
3 |
A1 |
435 |
394 |
56.49 |
|
|
|
4 |
E |
2390 |
2161 |
136.02 |
|
|
|
4 |
E |
2390 |
2161 |
136.02 |
|
|
|
5 |
E |
1039 |
940 |
103.48 |
|
|
|
5 |
E |
1039 |
940 |
103.48 |
|
|
|
6 |
E |
688 |
623 |
31.91 |
|
|
|
6 |
E |
688 |
623 |
31.91 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 6045.6 cm
-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 5467.7 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 HF/6-311G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.646 |
|
|
|
2 |
Br |
-0.349 |
|
|
|
3 |
H |
-0.099 |
|
|
|
4 |
H |
-0.099 |
|
|
|
5 |
H |
-0.099 |
|
|
|
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 |
-1.994 |
1.994 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-34.354 |
0.000 |
0.000 |
y |
0.000 |
-34.354 |
0.000 |
z |
0.000 |
0.000 |
-31.432 |
|
Traceless |
| x | y | z |
x |
-1.461 |
0.000 |
0.000 |
y |
0.000 |
-1.461 |
0.000 |
z |
0.000 |
0.000 |
2.923 |
|
Polar |
3z2-r2 | 5.845 |
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 |
4.537 |
0.000 |
0.000 |
y |
0.000 |
4.537 |
0.000 |
z |
0.000 |
0.000 |
6.709 |
<r2> (average value of r
2) Å
2
<r2> |
88.687 |
(<r2>)1/2 |
9.417 |