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

using model chemistry: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-4160.648657
Energy at 298.15K 
HF Energy-4160.648657
Nuclear repulsion energy210.705114
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 B3PW91/6-311G*
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 213 205 24.74      

Unscaled Zero Point Vibrational Energy (zpe) 106.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 102.4 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 B3PW91/6-311G*
B
0.07114

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.325
As2 0.000 0.000 1.244

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5692
As22.5692

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.192      
2 As -0.192      


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 -1.458 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.904 0.000 0.000
y 0.000 -32.904 0.000
z 0.000 0.000 -40.550
Traceless
 xyz
x 3.823 0.000 0.000
y 0.000 3.823 0.000
z 0.000 0.000 -7.646
Polar
3z2-r2-15.292
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 7.753 0.000 0.000
y 0.000 7.753 0.000
z 0.000 0.000 16.372


<r2> (average value of r2) Å2
<r2> 127.654
(<r2>)1/2 11.298

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-4160.604305
Energy at 298.15K 
HF Energy-4160.604305
Nuclear repulsion energy211.127988
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 B3PW91/6-311G*
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 219 211 24.11      

Unscaled Zero Point Vibrational Energy (zpe) 109.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 105.6 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 B3PW91/6-311G*
B
0.07142

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.322
As2 0.000 0.000 1.242

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5641
As22.5641

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.146      
2 As -0.146      


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 -1.075 1.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.056 0.000 0.000
y 0.000 -37.743 0.000
z 0.000 0.000 -40.265
Traceless
 xyz
x 9.949 0.000 0.000
y 0.000 -3.083 0.000
z 0.000 0.000 -6.865
Polar
3z2-r2-13.731
x2-y28.688
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -11.228 0.000 0.000
y 0.000 7.039 0.000
z 0.000 0.000 16.879


<r2> (average value of r2) Å2
<r2> 127.379
(<r2>)1/2 11.286