Vibrational Frequencies calculated at LSDA/TZVP
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 |
2175 |
2150 |
48.22 |
|
|
|
2 |
A1 |
869 |
859 |
270.82 |
|
|
|
3 |
A1 |
425 |
420 |
39.51 |
|
|
|
4 |
E |
2201 |
2175 |
66.39 |
|
|
|
4 |
E |
2201 |
2175 |
66.39 |
|
|
|
5 |
E |
891 |
881 |
41.31 |
|
|
|
5 |
E |
891 |
881 |
41.31 |
|
|
|
6 |
E |
594 |
587 |
14.15 |
|
|
|
6 |
E |
594 |
587 |
14.15 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5419.9 cm
-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 5357.1 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 LSDA/TZVP
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.251 |
|
|
|
2 |
Br |
-0.210 |
|
|
|
3 |
H |
-0.014 |
|
|
|
4 |
H |
-0.014 |
|
|
|
5 |
H |
-0.014 |
|
|
|
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 |
-1.513 |
1.513 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-33.827 |
0.000 |
0.000 |
y |
0.000 |
-33.827 |
0.000 |
z |
0.000 |
0.000 |
-31.018 |
|
Traceless |
| x | y | z |
x |
-1.404 |
0.000 |
0.000 |
y |
0.000 |
-1.404 |
0.000 |
z |
0.000 |
0.000 |
2.808 |
|
Polar |
3z2-r2 | 5.616 |
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 |
5.422 |
0.000 |
0.000 |
y |
0.000 |
5.422 |
0.000 |
z |
0.000 |
0.000 |
8.016 |
<r2> (average value of r
2) Å
2
<r2> |
87.868 |
(<r2>)1/2 |
9.374 |