Vibrational Frequencies calculated at M06-2X/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 |
2271 |
2149 |
57.26 |
|
|
|
2 |
A1 |
933 |
883 |
355.68 |
|
|
|
3 |
A1 |
425 |
402 |
50.48 |
|
|
|
4 |
E |
2286 |
2163 |
84.48 |
|
|
|
4 |
E |
2286 |
2163 |
85.08 |
|
|
|
5 |
E |
963 |
911 |
60.63 |
|
|
|
5 |
E |
963 |
911 |
60.49 |
|
|
|
6 |
E |
621 |
588 |
17.83 |
|
|
|
6 |
E |
621 |
588 |
18.47 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5684.8 cm
-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 5378.9 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 M06-2X/TZVP
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Si |
0.453 |
|
|
|
2 |
Br |
-0.269 |
|
|
|
3 |
H |
-0.061 |
|
|
|
4 |
H |
-0.061 |
|
|
|
5 |
H |
-0.061 |
|
|
|
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 |
-1.865 |
1.865 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-33.891 |
0.000 |
0.000 |
y |
0.000 |
-33.891 |
0.000 |
z |
0.000 |
0.000 |
-30.900 |
|
Traceless |
| x | y | z |
x |
-1.495 |
0.000 |
0.000 |
y |
0.000 |
-1.495 |
0.000 |
z |
0.000 |
0.000 |
2.990 |
|
Polar |
3z2-r2 | 5.980 |
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 |
5.048 |
0.000 |
0.000 |
y |
0.000 |
5.045 |
-0.002 |
z |
0.000 |
-0.002 |
7.605 |
<r2> (average value of r
2) Å
2
<r2> |
88.674 |
(<r2>)1/2 |
9.417 |