Vibrational Frequencies calculated at HF/6-31G(2df,p)
| 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 |
3662 |
3316 |
93.81 |
|
|
|
| 2 |
Σ |
2392 |
2166 |
8.77 |
|
|
|
| 3 |
Σ |
665 |
602 |
0.33 |
|
|
|
| 4 |
Π |
832 |
753 |
42.50 |
|
|
|
| 4 |
Π |
832 |
753 |
42.50 |
|
|
|
| 5 |
Π |
398 |
361 |
8.15 |
|
|
|
| 5 |
Π |
398 |
361 |
8.15 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4589.8 cm
-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 4156.1 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 HF/6-31G(2df,p)
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.394 |
|
|
|
| 2 |
C |
-0.103 |
|
|
|
| 3 |
Br |
0.232 |
|
|
|
| 4 |
H |
0.265 |
|
|
|
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 |
-0.607 |
0.607 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-30.450 |
0.000 |
0.000 |
| y |
0.000 |
-30.450 |
0.000 |
| z |
0.000 |
0.000 |
-21.713 |
|
| Traceless |
| | x | y | z |
| x |
-4.368 |
0.000 |
0.000 |
| y |
0.000 |
-4.368 |
0.000 |
| z |
0.000 |
0.000 |
8.737 |
|
| Polar |
| 3z2-r2 | 17.473 |
| 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 |
3.540 |
0.000 |
0.000 |
| y |
0.000 |
3.540 |
0.000 |
| z |
0.000 |
0.000 |
8.517 |
<r2> (average value of r
2) Å
2
| <r2> |
82.549 |
| (<r2>)1/2 |
9.086 |