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All results from a given calculation for AlN (Aluminum nitride)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Π
2 1 yes C*V 1Σ

State 1 (3Π)

Jump to S2C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-296.997773
Energy at 298.15K-296.997727
HF Energy-296.997773
Nuclear repulsion energy26.800869
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 749 721 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 374.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 360.3 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.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
B
0.56642

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.629
N2 0.000 0.000 -1.168

Atom - Atom Distances (Å)
  Al1 N2
Al11.7968
N21.7968

picture of Aluminum nitride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.417      
2 N -0.417      


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 2.458 2.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.663 0.000 0.000
y 0.000 -18.373 0.000
z 0.000 0.000 -20.740
Traceless
 xyz
x 3.893 0.000 0.000
y 0.000 -0.171 0.000
z 0.000 0.000 -3.722
Polar
3z2-r2-7.444
x2-y22.710
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.821 0.000 0.000
y 0.000 18.078 0.000
z 0.000 0.000 8.971


<r2> (average value of r2) Å2
<r2> 26.093
(<r2>)1/2 5.108

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-296.953919
Energy at 298.15K-296.953932
Nuclear repulsion energy28.727419
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 953 918 4.87      

Unscaled Zero Point Vibrational Energy (zpe) 476.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 458.8 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.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
B
0.65078

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.587
N2 0.000 0.000 -1.090

Atom - Atom Distances (Å)
  Al1 N2
Al11.6763
N21.6763

picture of Aluminum nitride state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.458      
2 N -0.458      


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 4.347 4.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.787 0.000 0.000
y 0.000 -17.787 0.000
z 0.000 0.000 -16.291
Traceless
 xyz
x -0.748 0.000 0.000
y 0.000 -0.748 0.000
z 0.000 0.000 1.496
Polar
3z2-r22.992
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.464 0.000 0.000
y 0.000 9.464 0.000
z 0.000 0.000 7.985


<r2> (average value of r2) Å2
<r2> 23.583
(<r2>)1/2 4.856