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

using model chemistry: PBE1PBE/6-31G

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/6-31G
 hartrees
Energy at 0K-4155.737980
Energy at 298.15K 
HF Energy-4155.737980
Nuclear repulsion energy210.825893
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/6-31G
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 210 201 20.10 1268.99 0.20 0.34

Unscaled Zero Point Vibrational Energy (zpe) 105.1 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 100.5 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/6-31G
B
0.07122

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.324
As2 0.000 0.000 1.244

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5678
As22.5678

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/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.282      
2 As -0.282      


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 -1.649 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.174 0.000 0.000
y 0.000 -33.174 0.000
z 0.000 0.000 -43.295
Traceless
 xyz
x 5.061 0.000 0.000
y 0.000 5.061 0.000
z 0.000 0.000 -10.121
Polar
3z2-r2-20.243
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 9.650 0.000 0.000
y 0.000 9.650 0.000
z 0.000 0.000 15.749


<r2> (average value of r2) Å2
<r2> 128.218
(<r2>)1/2 11.323

State 2 (1Σ)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-4155.691979
Energy at 298.15K 
HF Energy-4155.691979
Nuclear repulsion energy212.018822
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/6-31G
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 219 209 20.31 4191.81 0.38 0.55

Unscaled Zero Point Vibrational Energy (zpe) 109.4 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 104.5 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/6-31G
B
0.07203

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

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
Ga12.5533
As22.5533

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/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.227      
2 As -0.227      


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 -1.070 1.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.116 0.000 0.000
y 0.000 -38.045 0.000
z 0.000 0.000 -42.934
Traceless
 xyz
x 11.374 0.000 0.000
y 0.000 -2.020 0.000
z 0.000 0.000 -9.354
Polar
3z2-r2-18.708
x2-y28.929
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -3.102 0.000 0.000
y 0.000 5.683 0.000
z 0.000 0.000 16.227


<r2> (average value of r2) Å2
<r2> 127.129
(<r2>)1/2 11.275