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

using model chemistry: HF/3-21G*

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 HF/3-21G*
 hartrees
Energy at 0K-294.703282
Energy at 298.15K-294.703232
HF Energy-294.703282
Nuclear repulsion energy26.269542
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 HF/3-21G*
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 743 671 64.62      

Unscaled Zero Point Vibrational Energy (zpe) 371.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 335.3 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 HF/3-21G*
B
0.54419

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.642
N2 0.000 0.000 -1.192

Atom - Atom Distances (Å)
  Al1 N2
Al11.8331
N21.8331

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 HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.377      
2 N -0.377      


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 0.685 0.685
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.747 0.000 0.000
y 0.000 -16.141 0.000
z 0.000 0.000 -22.181
Traceless
 xyz
x 0.413 0.000 0.000
y 0.000 4.324 0.000
z 0.000 0.000 -4.737
Polar
3z2-r2-9.474
x2-y2-2.607
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.732 0.000 0.000
y 0.000 5.729 0.000
z 0.000 0.000 7.684


<r2> (average value of r2) Å2
<r2> 27.171
(<r2>)1/2 5.213

State 2 (1Σ)

Jump to S1C1
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-294.596741
Energy at 298.15K-294.596728
Nuclear repulsion energy27.844990
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 HF/3-21G*
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 848 765 20.88      

Unscaled Zero Point Vibrational Energy (zpe) 424.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 382.7 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 HF/3-21G*
B
0.61142

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.605
N2 0.000 0.000 -1.124

Atom - Atom Distances (Å)
  Al1 N2
Al11.7294
N21.7294

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 HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.447      
2 N -0.447      


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 2.376 2.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.717 0.000 0.000
y 0.000 -17.717 0.000
z 0.000 0.000 -18.197
Traceless
 xyz
x 0.240 0.000 0.000
y 0.000 0.240 0.000
z 0.000 0.000 -0.479
Polar
3z2-r2-0.959
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 -1.277 0.000 0.000
y 0.000 -1.277 0.000
z 0.000 0.000 8.496


<r2> (average value of r2) Å2
<r2> 24.774
(<r2>)1/2 4.977