Vibrational Frequencies calculated at HF/3-21G*
| 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 |
3667 |
3310 |
91.87 |
|
|
|
| 2 |
Σ |
2379 |
2148 |
6.87 |
|
|
|
| 3 |
Σ |
636 |
574 |
0.07 |
|
|
|
| 4 |
Π |
941 |
850 |
57.51 |
|
|
|
| 4 |
Π |
941 |
850 |
57.51 |
|
|
|
| 5 |
Π |
397 |
358 |
12.73 |
|
|
|
| 5 |
Π |
397 |
358 |
12.73 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4679.5 cm
-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 4223.7 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 HF/3-21G*
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.290 |
|
|
|
| 2 |
C |
-0.139 |
|
|
|
| 3 |
Br |
0.080 |
|
|
|
| 4 |
H |
0.349 |
|
|
|
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 |
-0.408 |
0.408 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-30.799 |
0.000 |
0.000 |
| y |
0.000 |
-30.799 |
0.000 |
| z |
0.000 |
0.000 |
-21.534 |
|
| Traceless |
| | x | y | z |
| x |
-4.633 |
0.000 |
0.000 |
| y |
0.000 |
-4.633 |
0.000 |
| z |
0.000 |
0.000 |
9.265 |
|
| Polar |
| 3z2-r2 | 18.530 |
| 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 |
2.124 |
0.000 |
0.000 |
| y |
0.000 |
2.124 |
0.000 |
| z |
0.000 |
0.000 |
7.885 |
<r2> (average value of r
2) Å
2
| <r2> |
84.207 |
| (<r2>)1/2 |
9.176 |