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

using model chemistry: B1B95/aug-cc-pVDZ

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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-297.048068
Energy at 298.15K-297.048001
HF Energy-297.048068
Nuclear repulsion energy26.374832
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 B1B95/aug-cc-pVDZ
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 695 666 11.07      

Unscaled Zero Point Vibrational Energy (zpe) 347.7 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 333.1 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 B1B95/aug-cc-pVDZ
B
0.54856

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.639
N2 0.000 0.000 -1.187

Atom - Atom Distances (Å)
  Al1 N2
Al11.8258
N21.8258

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 B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.552      
2 N -0.552      


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 2.852 2.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.054 0.000 0.000
y 0.000 -18.840 0.000
z 0.000 0.000 -20.422
Traceless
 xyz
x 3.577 0.000 0.000
y 0.000 -0.601 0.000
z 0.000 0.000 -2.975
Polar
3z2-r2-5.951
x2-y22.785
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.792 0.000 0.000
y 0.000 87.990 0.000
z 0.000 0.000 9.891


<r2> (average value of r2) Å2
<r2> 26.684
(<r2>)1/2 5.166

State 2 (1Σ)

Jump to S1C1
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-297.001997
Energy at 298.15K-297.001995
Nuclear repulsion energy28.365680
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 B1B95/aug-cc-pVDZ
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 884 847 6.20      

Unscaled Zero Point Vibrational Energy (zpe) 442.2 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 423.6 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 B1B95/aug-cc-pVDZ
B
0.63450

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.594
N2 0.000 0.000 -1.103

Atom - Atom Distances (Å)
  Al1 N2
Al11.6977
N21.6977

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 B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.704      
2 N -0.704      


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 4.816 4.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.136 0.000 0.000
y 0.000 -18.136 0.000
z 0.000 0.000 -15.818
Traceless
 xyz
x -1.159 0.000 0.000
y 0.000 -1.159 0.000
z 0.000 0.000 2.318
Polar
3z2-r24.636
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 13.048 0.000 0.000
y 0.000 13.048 0.000
z 0.000 0.000 9.343


<r2> (average value of r2) Å2
<r2> 23.958
(<r2>)1/2 4.895