Vibrational Frequencies calculated at LSDA/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 |
A1' |
1890 |
1856 |
0.00 |
|
|
|
2 |
A2" |
671 |
659 |
248.36 |
|
|
|
3 |
E' |
1916 |
1882 |
188.66 |
|
|
|
3 |
E' |
1916 |
1882 |
188.71 |
|
|
|
4 |
E' |
744 |
731 |
162.25 |
|
|
|
4 |
E' |
744 |
731 |
162.27 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 3941.2 cm
-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 3870.3 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 LSDA/3-21G*
Charges (e)
Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
1 |
Al |
0.166 |
|
|
|
2 |
H |
-0.055 |
|
|
|
3 |
H |
-0.055 |
|
|
|
4 |
H |
-0.055 |
|
|
|
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 |
0.000 |
0.000 |
CHELPG |
|
|
|
|
AIM |
|
|
|
|
ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
Primitive |
| x | y | z |
x |
-17.944 |
0.000 |
0.000 |
y |
0.000 |
-17.944 |
0.000 |
z |
0.000 |
0.000 |
-12.216 |
|
Traceless |
| x | y | z |
x |
-2.864 |
0.000 |
0.000 |
y |
0.000 |
-2.864 |
0.000 |
z |
0.000 |
0.000 |
5.728 |
|
Polar |
3z2-r2 | 11.456 |
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 |
4.014 |
0.000 |
0.000 |
y |
0.000 |
4.014 |
0.000 |
z |
0.000 |
0.000 |
2.675 |
<r2> (average value of r
2) Å
2
<r2> |
17.736 |
(<r2>)1/2 |
4.211 |