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

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-4141.002734
Energy at 298.15K 
HF Energy-4141.002734
Nuclear repulsion energy211.778318
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/3-21G*
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 227 219 21.61 271.21 0.30 0.47

Unscaled Zero Point Vibrational Energy (zpe) 113.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 109.2 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 B3LYP/3-21G*
B
0.07187

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.318
As2 0.000 0.000 1.238

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5562
As22.5562

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.166      
2 As -0.166      


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 -0.751 0.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.139 0.000 0.000
y 0.000 -33.139 0.000
z 0.000 0.000 -40.841
Traceless
 xyz
x 3.851 0.000 0.000
y 0.000 3.851 0.000
z 0.000 0.000 -7.702
Polar
3z2-r2-15.404
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 8.264 0.000 0.000
y 0.000 8.264 0.000
z 0.000 0.000 15.480


<r2> (average value of r2) Å2
<r2> 126.746
(<r2>)1/2 11.258

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-4140.961382
Energy at 298.15K 
HF Energy-4140.961382
Nuclear repulsion energy212.435435
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/3-21G*
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 234 225 20.00 21096.07 0.35 0.52

Unscaled Zero Point Vibrational Energy (zpe) 117.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 112.5 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 B3LYP/3-21G*
B
0.07231

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.314
As2 0.000 0.000 1.234

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5483
As22.5483

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.112      
2 As -0.112      


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 -0.263 0.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.396 0.000 0.000
y 0.000 -37.645 0.000
z 0.000 0.000 -40.544
Traceless
 xyz
x 9.698 0.000 0.000
y 0.000 -2.675 0.000
z 0.000 0.000 -7.023
Polar
3z2-r2-14.047
x2-y28.249
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -4.602 0.000 0.000
y 0.000 6.838 0.000
z 0.000 0.000 15.846


<r2> (average value of r2) Å2
<r2> 126.198
(<r2>)1/2 11.234