Vibrational Frequencies calculated at mPW1PW91/6-31+G**
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 |
2139 |
2036 |
458.23 |
77.81 |
0.15 |
0.27 |
2 |
Σ |
544 |
518 |
191.60 |
18.72 |
0.71 |
0.83 |
3 |
Π |
158 |
151 |
1.18 |
9.39 |
0.75 |
0.86 |
3 |
Π |
158 |
151 |
1.18 |
9.39 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 1499.9 cm
-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1427.6 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 mPW1PW91/6-31+G**
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Al |
0.194 |
|
|
|
2 |
N |
-0.076 |
|
|
|
3 |
C |
-0.119 |
|
|
|
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 |
3.077 |
3.077 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-22.176 |
0.000 |
0.000 |
y |
0.000 |
-22.176 |
0.000 |
z |
0.000 |
0.000 |
-31.663 |
|
Traceless |
| x | y | z |
x |
4.743 |
0.000 |
0.000 |
y |
0.000 |
4.743 |
0.000 |
z |
0.000 |
0.000 |
-9.487 |
|
Polar |
3z2-r2 | -18.974 |
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 |
6.925 |
0.000 |
0.000 |
y |
0.000 |
6.925 |
0.000 |
z |
0.000 |
0.000 |
9.330 |
<r2> (average value of r
2) Å
2
<r2> |
58.543 |
(<r2>)1/2 |
7.651 |