Vibrational Frequencies calculated at LSDA/aug-cc-pVTZ
| 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 |
473 |
468 |
1.64 |
|
|
|
| 2 |
A1 |
214 |
212 |
0.40 |
|
|
|
| 3 |
E |
555 |
550 |
82.12 |
|
|
|
| 3 |
E |
555 |
550 |
82.13 |
|
|
|
| 4 |
E |
145 |
144 |
0.79 |
|
|
|
| 4 |
E |
145 |
144 |
0.79 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 1043.9 cm
-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 1034.1 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/aug-cc-pVTZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
N |
-0.756 |
|
|
|
| 2 |
Br |
0.252 |
|
|
|
| 3 |
Br |
0.252 |
|
|
|
| 4 |
Br |
0.252 |
|
|
|
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 |
-0.481 |
0.481 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-57.397 |
0.000 |
0.000 |
| y |
0.000 |
-57.397 |
0.000 |
| z |
0.000 |
0.000 |
-61.479 |
|
| Traceless |
| | x | y | z |
| x |
2.041 |
0.000 |
0.000 |
| y |
0.000 |
2.041 |
0.000 |
| z |
0.000 |
0.000 |
-4.082 |
|
| Polar |
| 3z2-r2 | -8.164 |
| 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 |
14.373 |
0.000 |
0.000 |
| y |
0.000 |
14.375 |
-0.001 |
| z |
0.000 |
-0.001 |
8.655 |
<r2> (average value of r
2) Å
2
| <r2> |
376.331 |
| (<r2>)1/2 |
19.399 |