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

using model chemistry: mPW1PW91/6-311G*

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 mPW1PW91/6-311G*
 hartrees
Energy at 0K-4160.948820
Energy at 298.15K 
HF Energy-4160.948820
Nuclear repulsion energy211.265387
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 mPW1PW91/6-311G*
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 215 205 25.44 95.07 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 107.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 102.6 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 mPW1PW91/6-311G*
B
0.07152

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.321
As2 0.000 0.000 1.241

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5624
As22.5624

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.193      
2 As -0.193      


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 -1.437 1.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.912 0.000 0.000
y 0.000 -32.912 0.000
z 0.000 0.000 -40.696
Traceless
 xyz
x 3.892 0.000 0.000
y 0.000 3.892 0.000
z 0.000 0.000 -7.783
Polar
3z2-r2-15.567
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 7.820 0.000 0.000
y 0.000 7.820 0.000
z 0.000 0.000 16.224


<r2> (average value of r2) Å2
<r2> 127.129
(<r2>)1/2 11.275

State 2 (1Σ)

Jump to S1C1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-4160.903105
Energy at 298.15K 
HF Energy-4160.903105
Nuclear repulsion energy211.751410
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 mPW1PW91/6-311G*
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 222 212 25.13 0.00 0.34 0.50

Unscaled Zero Point Vibrational Energy (zpe) 111.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 105.9 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 mPW1PW91/6-311G*
B
0.07185

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

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
Ga12.5565
As22.5565

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.147      
2 As -0.147      


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 -1.052 1.052
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.778 0.000 0.000
y 0.000 -29.063 0.000
z 0.000 0.000 -40.404
Traceless
 xyz
x -3.045 0.000 0.000
y 0.000 10.029 0.000
z 0.000 0.000 -6.984
Polar
3z2-r2-13.967
x2-y2-8.716
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.073 0.000 0.000
y 0.000 -25.312 0.000
z 0.000 0.000 16.740


<r2> (average value of r2) Å2
<r2> 126.799
(<r2>)1/2 11.261