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

using model chemistry: B3PW91/6-31+G**

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 B3PW91/6-31+G**
 hartrees
Energy at 0K-4156.599764
Energy at 298.15K 
HF Energy-4156.599764
Nuclear repulsion energy215.059581
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 B3PW91/6-31+G**
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 218 210 26.40      

Unscaled Zero Point Vibrational Energy (zpe) 109.2 cm-1
Scaled (by 0.9601) 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 B3PW91/6-31+G**
B
0.07411

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.298
As2 0.000 0.000 1.219

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5172
As22.5172

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.168      
2 As -0.168      


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 -1.098 1.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.205 0.000 0.000
y 0.000 -33.205 0.000
z 0.000 0.000 -41.489
Traceless
 xyz
x 4.142 0.000 0.000
y 0.000 4.142 0.000
z 0.000 0.000 -8.285
Polar
3z2-r2-16.570
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 9.921 0.000 0.000
y 0.000 9.921 0.000
z 0.000 0.000 16.953


<r2> (average value of r2) Å2
<r2> 123.746
(<r2>)1/2 11.124

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-4156.554579
Energy at 298.15K 
HF Energy-4156.554579
Nuclear repulsion energy215.294231
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 B3PW91/6-31+G**
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 224 215 25.98      

Unscaled Zero Point Vibrational Energy (zpe) 112.0 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 107.5 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 B3PW91/6-31+G**
B
0.07427

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.297
As2 0.000 0.000 1.218

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5145
As22.5145

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.128      
2 As -0.128      


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 -0.745 0.745
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.405 0.000 0.000
y 0.000 -38.131 0.000
z 0.000 0.000 -41.142
Traceless
 xyz
x 10.231 0.000 0.000
y 0.000 -2.857 0.000
z 0.000 0.000 -7.374
Polar
3z2-r2-14.748
x2-y28.726
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.325 0.000 0.000
y 0.000 8.609 0.000
z 0.000 0.000 17.400


<r2> (average value of r2) Å2
<r2> 123.687
(<r2>)1/2 11.121