Vibrational Frequencies calculated at HSEh1PBE/6-31+G**
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' |
2048 |
1956 |
304.08 |
216.62 |
0.48 |
0.65 |
2 |
A' |
781 |
745 |
56.63 |
14.06 |
0.71 |
0.83 |
3 |
A' |
421 |
402 |
73.41 |
21.84 |
0.29 |
0.45 |
Unscaled Zero Point Vibrational Energy (zpe) 1624.7 cm
-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1551.3 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 HSEh1PBE/6-31+G**
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.449 |
|
|
|
2 |
Br |
-0.326 |
|
|
|
3 |
H |
-0.123 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
|
x |
y |
z |
Total |
|
-0.360 |
1.134 |
0.000 |
1.190 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-34.685 |
-1.253 |
0.000 |
y |
-1.253 |
-31.541 |
0.000 |
z |
0.000 |
0.000 |
-30.144 |
|
Traceless |
| x | y | z |
x |
-3.843 |
-1.253 |
0.000 |
y |
-1.253 |
0.874 |
0.000 |
z |
0.000 |
0.000 |
2.969 |
|
Polar |
3z2-r2 | 5.938 |
x2-y2 | -3.145 |
xy | -1.253 |
xz | 0.000 |
yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
|
x |
y |
z |
x |
6.135 |
-0.253 |
0.000 |
y |
-0.253 |
9.736 |
0.000 |
z |
0.000 |
0.000 |
4.840 |
<r2> (average value of r
2) Å
2
<r2> |
75.734 |
(<r2>)1/2 |
8.703 |