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All results from a given calculation for GaAs (Gallium arsenide)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-4160.243788
Energy at 298.15K 
HF Energy-4160.243788
Nuclear repulsion energy211.394252
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 PBE1PBE/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 216 208 25.29 132.85 0.42 0.59

Unscaled Zero Point Vibrational Energy (zpe) 108.0 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 103.8 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 PBE1PBE/cc-pVTZ
B
0.07160

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.320
As2 0.000 0.000 1.240

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5608
As22.5608

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.182      
2 As -0.182      


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 -1.314 1.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.057 0.000 0.000
y 0.000 -33.057 0.000
z 0.000 0.000 -40.780
Traceless
 xyz
x 3.861 0.000 0.000
y 0.000 3.861 0.000
z 0.000 0.000 -7.723
Polar
3z2-r2-15.446
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 8.968 0.000 0.000
y 0.000 8.968 0.000
z 0.000 0.000 16.836


<r2> (average value of r2) Å2
<r2> 127.079
(<r2>)1/2 11.273

State 2 (1Σ)

Jump to S1C1
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-4160.198438
Energy at 298.15K 
HF Energy-4160.198438
Nuclear repulsion energy211.994952
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 PBE1PBE/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 222 214 25.01 163890.40 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 111.2 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 106.9 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 PBE1PBE/cc-pVTZ
B
0.07201

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.317
As2 0.000 0.000 1.237

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5536
As22.5536

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.130      
2 As -0.130      


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 -0.966 0.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.764 0.000 0.000
y 0.000 -29.290 0.000
z 0.000 0.000 -40.549
Traceless
 xyz
x -2.844 0.000 0.000
y 0.000 9.867 0.000
z 0.000 0.000 -7.023
Polar
3z2-r2-14.045
x2-y2-8.474
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.279 0.000 0.000
y 0.000 -9.456 0.000
z 0.000 0.000 17.244


<r2> (average value of r2) Å2
<r2> 126.634
(<r2>)1/2 11.253