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

using model chemistry: PBE1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-4112.356627
Energy at 298.15K 
HF Energy-4112.356627
Nuclear repulsion energy251.365133
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/STO-3G
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 406 358 0.45 50.66 0.66 0.80

Unscaled Zero Point Vibrational Energy (zpe) 203.1 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 179.2 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 PBE1PBE/STO-3G
B
0.10124

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.110
As2 0.000 0.000 1.043

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.1536
As22.1536

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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga -0.175      
2 As 0.175      


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 2.069 2.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.192 0.000 0.000
y 0.000 -33.492 0.000
z 0.000 0.000 -39.197
Traceless
 xyz
x 6.152 0.000 0.000
y 0.000 1.203 0.000
z 0.000 0.000 -7.355
Polar
3z2-r2-14.710
x2-y23.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.426 0.000 0.000
y 0.000 2.644 0.000
z 0.000 0.000 7.370


<r2> (average value of r2) Å2
<r2> 95.557
(<r2>)1/2 9.775

State 2 (1Σ)

Jump to S1C1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-4112.311800
Energy at 298.15K 
HF Energy-4112.311800
Nuclear repulsion energy264.026844
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/STO-3G
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 443 391 0.48 12.15 0.39 0.56

Unscaled Zero Point Vibrational Energy (zpe) 221.3 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 195.2 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 PBE1PBE/STO-3G
B
0.11170

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.057
As2 0.000 0.000 0.993

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.0504
As22.0504

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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga -0.117      
2 As 0.117      


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 1.854 1.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.094 0.000 0.000
y 0.000 -28.658 0.000
z 0.000 0.000 -39.523
Traceless
 xyz
x 0.996 0.000 0.000
y 0.000 7.651 0.000
z 0.000 0.000 -8.647
Polar
3z2-r2-17.295
x2-y2-4.437
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.578 0.000 0.000
y 0.000 2.594 0.000
z 0.000 0.000 6.255


<r2> (average value of r2) Å2
<r2> 88.282
(<r2>)1/2 9.396