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

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-297.009848
Energy at 298.15K-297.009803
HF Energy-297.009848
Nuclear repulsion energy26.820367
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/cc-pVTZ
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 747 718 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 373.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 359.1 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/cc-pVTZ
B
0.56725

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.628
N2 0.000 0.000 -1.167

Atom - Atom Distances (Å)
  Al1 N2
Al11.7955
N21.7955

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.286      
2 N -0.286      


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 2.591 2.591
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.828 0.000 0.000
y 0.000 -18.463 0.000
z 0.000 0.000 -20.334
Traceless
 xyz
x 3.571 0.000 0.000
y 0.000 -0.382 0.000
z 0.000 0.000 -3.189
Polar
3z2-r2-6.378
x2-y22.636
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.527 0.000 0.000
y 0.000 14.832 0.000
z 0.000 0.000 9.397


<r2> (average value of r2) Å2
<r2> 26.041
(<r2>)1/2 5.103

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-296.965037
Energy at 298.15K-296.965050
Nuclear repulsion energy28.732122
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/cc-pVTZ
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 946 909 6.73      

Unscaled Zero Point Vibrational Energy (zpe) 472.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 454.6 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.
Rotational Constants (cm-1) from geometry optimized at B3PW91/cc-pVTZ
B
0.65099

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

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 -1.089

Atom - Atom Distances (Å)
  Al1 N2
Al11.6760
N21.6760

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.343      
2 N -0.343      


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 4.563 4.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.857 0.000 0.000
y 0.000 -17.857 0.000
z 0.000 0.000 -15.766
Traceless
 xyz
x -1.045 0.000 0.000
y 0.000 -1.045 0.000
z 0.000 0.000 2.091
Polar
3z2-r24.181
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 10.442 0.000 0.000
y 0.000 10.442 0.000
z 0.000 0.000 8.584


<r2> (average value of r2) Å2
<r2> 23.499
(<r2>)1/2 4.848