Vibrational Frequencies calculated at PBEPBE/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 |
2128 |
2109 |
100.88 |
60.67 |
0.11 |
0.20 |
| 2 |
Σ |
471 |
467 |
124.86 |
26.94 |
0.72 |
0.84 |
| 3 |
Π |
243 |
241 |
5.34 |
9.79 |
0.75 |
0.86 |
| 3 |
Π |
243 |
241 |
5.34 |
9.79 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1543.1 cm
-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 1529.0 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 PBEPBE/3-21G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Al |
0.487 |
|
|
|
| 2 |
C |
-0.099 |
|
|
|
| 3 |
N |
-0.387 |
|
|
|
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 |
2.440 |
2.440 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-21.772 |
0.000 |
0.000 |
| y |
0.000 |
-21.772 |
0.000 |
| z |
0.000 |
0.000 |
-33.014 |
|
| Traceless |
| | x | y | z |
| x |
5.621 |
0.000 |
0.000 |
| y |
0.000 |
5.621 |
0.000 |
| z |
0.000 |
0.000 |
-11.242 |
|
| Polar |
| 3z2-r2 | -22.484 |
| 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 |
6.323 |
0.000 |
0.000 |
| y |
0.000 |
6.323 |
0.000 |
| z |
0.000 |
0.000 |
9.236 |
<r2> (average value of r
2) Å
2
| <r2> |
67.405 |
| (<r2>)1/2 |
8.210 |