Vibrational Frequencies calculated at B1B95/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 |
2279 |
2191 |
79.04 |
65.45 |
0.13 |
0.23 |
| 2 |
Σ |
452 |
434 |
152.91 |
18.09 |
0.70 |
0.82 |
| 3 |
Π |
141 |
135 |
4.82 |
8.64 |
0.75 |
0.86 |
| 3 |
Π |
141 |
135 |
4.82 |
8.64 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1505.8 cm
-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1447.4 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/cc-pVDZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
Al |
0.343 |
|
|
|
| 2 |
C |
-0.250 |
|
|
|
| 3 |
N |
-0.093 |
|
|
|
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 |
3.293 |
3.293 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-21.620 |
0.000 |
0.000 |
| y |
0.000 |
-21.620 |
0.000 |
| z |
0.000 |
0.000 |
-31.240 |
|
| Traceless |
| | x | y | z |
| x |
4.810 |
0.000 |
0.000 |
| y |
0.000 |
4.810 |
0.000 |
| z |
0.000 |
0.000 |
-9.620 |
|
| Polar |
| 3z2-r2 | -19.240 |
| 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 |
6.219 |
0.000 |
0.000 |
| y |
0.000 |
6.219 |
0.000 |
| z |
0.000 |
0.000 |
8.904 |
<r2> (average value of r
2) Å
2
| <r2> |
66.373 |
| (<r2>)1/2 |
8.147 |