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

using model chemistry: LSDA/6-31G

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 LSDA/6-31G
 hartrees
Energy at 0K-295.896043
Energy at 298.15K-295.895984
Nuclear repulsion energy26.153127
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 LSDA/6-31G
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 720 705 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 360.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 352.7 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 LSDA/6-31G
B
0.53937

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.644
N2 0.000 0.000 -1.197

Atom - Atom Distances (Å)
  Al1 N2
Al11.8413
N21.8413

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 LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.420      
2 N -0.420      


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 2.517 2.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.891 0.000 0.000
y 0.000 -18.882 0.000
z 0.000 0.000 -20.930
Traceless
 xyz
x 4.015 0.000 0.000
y 0.000 -0.471 0.000
z 0.000 0.000 -3.544
Polar
3z2-r2-7.088
x2-y22.991
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.412 0.000 0.000
y 0.000 7.664 0.000
z 0.000 0.000 8.089


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-295.871878
Energy at 298.15K-295.871884
Nuclear repulsion energy28.151535
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 LSDA/6-31G
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 923 905 1.51      

Unscaled Zero Point Vibrational Energy (zpe) 461.6 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 452.3 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 LSDA/6-31G
B
0.62495

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.599
N2 0.000 0.000 -1.112

Atom - Atom Distances (Å)
  Al1 N2
Al11.7106
N21.7106

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 LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.483      
2 N -0.483      


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 4.219 4.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.196 0.000 0.000
y 0.000 -18.196 0.000
z 0.000 0.000 -16.389
Traceless
 xyz
x -0.904 0.000 0.000
y 0.000 -0.904 0.000
z 0.000 0.000 1.807
Polar
3z2-r23.614
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 6.887 0.000 0.000
y 0.000 6.887 0.000
z 0.000 0.000 7.212


<r2> (average value of r2) Å2
<r2> 24.302
(<r2>)1/2 4.930