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

using model chemistry: B2PLYP/6-311G*

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 B2PLYP/6-311G*
 hartrees
Energy at 0K-4159.778687
Energy at 298.15K 
HF Energy-4159.739111
Nuclear repulsion energy209.285084
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 B2PLYP/6-311G*
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 210 210 24.02 71.88 0.58 0.73

Unscaled Zero Point Vibrational Energy (zpe) 104.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 104.8 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 B2PLYP/6-311G*
B
0.07018

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.334
As2 0.000 0.000 1.253

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5867
As22.5867

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.210      
2 As -0.210      


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 -1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.286 0.000 0.000
y 0.000 -33.286 0.000
z 0.000 0.000 -41.353
Traceless
 xyz
x 4.034 0.000 0.000
y 0.000 4.034 0.000
z 0.000 0.000 -8.068
Polar
3z2-r2-16.135
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 7.700 0.000 0.000
y 0.000 7.700 0.000
z 0.000 0.000 16.506


<r2> (average value of r2) Å2
<r2> 129.410
(<r2>)1/2 11.376

State 2 (1Σ)

Jump to S1C1
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-4159.736976
Energy at 298.15K 
HF Energy-4159.692281
Nuclear repulsion energy209.890141
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 B2PLYP/6-311G*
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 217 217 23.19 5810.73 0.38 0.55

Unscaled Zero Point Vibrational Energy (zpe) 108.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 108.5 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 B2PLYP/6-311G*
B
0.07059

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.330
As2 0.000 0.000 1.249

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5792
As22.5792

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.158      
2 As -0.158      


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 -1.121 1.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.254 0.000 0.000
y 0.000 -29.410 0.000
z 0.000 0.000 -41.020
Traceless
 xyz
x -3.039 0.000 0.000
y 0.000 10.226 0.000
z 0.000 0.000 -7.188
Polar
3z2-r2-14.376
x2-y2-8.843
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.038 0.000 0.000
y 0.000 13.772 0.000
z 0.000 0.000 17.157


<r2> (average value of r2) Å2
<r2> 128.952
(<r2>)1/2 11.356