return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/LANL2DZ

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 B3LYP/LANL2DZ
 hartrees
Energy at 0K-56.607254
Energy at 298.15K-56.607168
HF Energy-56.607254
Nuclear repulsion energy5.964253
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 B3LYP/LANL2DZ
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 664 638 7.17      

Unscaled Zero Point Vibrational Energy (zpe) 332.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 319.1 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 B3LYP/LANL2DZ
B
0.52674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.652
N2 0.000 0.000 -1.211

Atom - Atom Distances (Å)
  Al1 N2
Al11.8632
N21.8632

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 B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.541      
2 N -0.541      


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 2.663 2.663
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.469 0.000 0.000
y 0.000 -17.390 0.000
z 0.000 0.000 -20.531
Traceless
 xyz
x 4.491 0.000 0.000
y 0.000 0.110 0.000
z 0.000 0.000 -4.601
Polar
3z2-r2-9.202
x2-y22.921
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.885 0.000 0.000
y 0.000 20.568 0.000
z 0.000 0.000 8.913


<r2> (average value of r2) Å2
<r2> 22.450
(<r2>)1/2 4.738

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-56.561610
Energy at 298.15K-56.561601
Nuclear repulsion energy6.452298
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 B3LYP/LANL2DZ
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 866 833 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 433.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 416.4 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 B3LYP/LANL2DZ
B
0.61647

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.603
N2 0.000 0.000 -1.119

Atom - Atom Distances (Å)
  Al1 N2
Al11.7223
N21.7223

picture of Aluminum nitride state 2 conformation 1
More geometry information An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.