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 GaN (Gallium mononitride)

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-1979.792362
Energy at 298.15K-1979.792639
HF Energy-1979.792362
Nuclear repulsion energy62.047431
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/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 609 582 18.27      

Unscaled Zero Point Vibrational Energy (zpe) 304.3 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 291.2 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/cc-pVTZ
B
0.42289

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 0.341
N2 0.000 0.000 -1.510

Atom - Atom Distances (Å)
  Ga1 N2
Ga11.8507
N21.8507

picture of Gallium mononitride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.239      
2 N -0.239      


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 2.542 2.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.376 0.000 0.000
y 0.000 -22.043 0.000
z 0.000 0.000 -25.041
Traceless
 xyz
x 4.166 0.000 0.000
y 0.000 0.166 0.000
z 0.000 0.000 -4.332
Polar
3z2-r2-8.663
x2-y22.666
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.523 0.000 0.000
y 0.000 42.490 0.000
z 0.000 0.000 7.821


<r2> (average value of r2) Å2
<r2> 33.396
(<r2>)1/2 5.779

State 2 (1Σ)

Jump to S1C1
Energy calculated at B1B95/cc-pVTZ
 hartrees
Energy at 0K-1979.745001
Energy at 298.15K-1979.745364
HF Energy-1979.745001
Nuclear repulsion energy67.172375
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/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 801 767 5.34      

Unscaled Zero Point Vibrational Energy (zpe) 400.4 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 383.3 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 B1B95/cc-pVTZ
B
0.49563

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 0.315
N2 0.000 0.000 -1.395

Atom - Atom Distances (Å)
  Ga1 N2
Ga11.7095
N21.7095

picture of Gallium mononitride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.257      
2 N -0.257      


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 4.161 4.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.570 0.000 0.000
y 0.000 -21.570 0.000
z 0.000 0.000 -21.505
Traceless
 xyz
x -0.033 0.000 0.000
y 0.000 -0.033 0.000
z 0.000 0.000 0.066
Polar
3z2-r20.131
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 9.050 0.000 0.000
y 0.000 9.050 0.000
z 0.000 0.000 7.538


<r2> (average value of r2) Å2
<r2> 30.147
(<r2>)1/2 5.491