Vibrational Frequencies calculated at mPW1PW91/aug-cc-pVDZ
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
Σ |
3509 |
3362 |
102.69 |
|
|
|
| 2 |
Σ |
2199 |
2108 |
32.98 |
|
|
|
| 3 |
Σ |
621 |
595 |
1.76 |
|
|
|
| 4 |
Π |
612 |
586 |
46.74 |
|
|
|
| 4 |
Π |
612 |
586 |
46.74 |
|
|
|
| 5 |
Π |
311 |
298 |
6.75 |
|
|
|
| 5 |
Π |
311 |
298 |
6.75 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4087.2 cm
-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3916.7 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/aug-cc-pVDZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.570 |
|
|
|
| 2 |
C |
-0.499 |
|
|
|
| 3 |
Br |
0.375 |
|
|
|
| 4 |
H |
-0.445 |
|
|
|
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 |
-0.236 |
0.236 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-30.820 |
0.000 |
0.000 |
| y |
0.000 |
-30.820 |
0.000 |
| z |
0.000 |
0.000 |
-22.256 |
|
| Traceless |
| | x | y | z |
| x |
-4.282 |
0.000 |
0.000 |
| y |
0.000 |
-4.282 |
0.000 |
| z |
0.000 |
0.000 |
8.564 |
|
| Polar |
| 3z2-r2 | 17.128 |
| 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 |
4.652 |
0.000 |
0.000 |
| y |
0.000 |
4.652 |
0.000 |
| z |
0.000 |
0.000 |
9.901 |
<r2> (average value of r
2) Å
2
| <r2> |
84.780 |
| (<r2>)1/2 |
9.208 |