Vibrational Frequencies calculated at mPW1PW91/6-31G**
Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
1 |
Σg |
254 |
241 |
0.00 |
3.52 |
0.18 |
0.30 |
2 |
Σu |
1093 |
1040 |
395.34 |
0.00 |
0.00 |
0.00 |
3 |
Πu |
355 |
337 |
22.47 |
0.00 |
0.00 |
0.00 |
3 |
Πu |
355 |
337 |
22.47 |
0.00 |
0.00 |
0.00 |
Unscaled Zero Point Vibrational Energy (zpe) 1027.8 cm
-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 977.9 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 mPW1PW91/6-31G**
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Be |
0.204 |
|
|
|
2 |
Br |
-0.102 |
|
|
|
3 |
Br |
-0.102 |
|
|
|
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 |
0.000 |
0.000 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-40.917 |
0.000 |
0.000 |
y |
0.000 |
-40.917 |
0.000 |
z |
0.000 |
0.000 |
-43.460 |
|
Traceless |
| x | y | z |
x |
1.271 |
0.000 |
0.000 |
y |
0.000 |
1.271 |
0.000 |
z |
0.000 |
0.000 |
-2.543 |
|
Polar |
3z2-r2 | -5.085 |
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 |
4.617 |
0.000 |
0.000 |
y |
0.000 |
4.617 |
0.000 |
z |
0.000 |
0.000 |
9.652 |
<r2> (average value of r
2) Å
2
<r2> |
282.180 |
(<r2>)1/2 |
16.798 |