Vibrational Frequencies calculated at B1B95/6-31G**
| 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 |
2145 |
2048 |
422.41 |
79.48 |
0.13 |
0.23 |
| 2 |
Σ |
562 |
536 |
172.86 |
19.56 |
0.73 |
0.84 |
| 3 |
Π |
108 |
103 |
1.45 |
8.02 |
0.75 |
0.86 |
| 3 |
Π |
108 |
103 |
1.45 |
8.02 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1461.4 cm
-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1395.4 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 B1B95/6-31G**
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Al |
0.384 |
|
|
|
| 2 |
N |
-0.394 |
|
|
|
| 3 |
C |
0.010 |
|
|
|
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 |
2.572 |
2.572 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-21.554 |
0.000 |
0.000 |
| y |
0.000 |
-21.554 |
0.000 |
| z |
0.000 |
0.000 |
-31.252 |
|
| Traceless |
| | x | y | z |
| x |
4.849 |
0.000 |
0.000 |
| y |
0.000 |
4.849 |
0.000 |
| z |
0.000 |
0.000 |
-9.698 |
|
| Polar |
| 3z2-r2 | -19.397 |
| 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 |
6.315 |
0.000 |
0.000 |
| y |
0.000 |
6.315 |
0.000 |
| z |
0.000 |
0.000 |
8.817 |
<r2> (average value of r
2) Å
2
| <r2> |
57.974 |
| (<r2>)1/2 |
7.614 |