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

using model chemistry: LSDA/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 LSDA/6-311G*
 hartrees
Energy at 0K-4155.671124
Energy at 298.15K-4155.669378
HF Energy-4155.671124
Nuclear repulsion energy214.432079
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 LSDA/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 223 219 21.05      

Unscaled Zero Point Vibrational Energy (zpe) 111.2 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 109.4 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 LSDA/6-311G*
B
0.07368

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.302
As2 0.000 0.000 1.223

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5246
As22.5246

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.134      
2 As -0.134      


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 -1.103 1.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.932 0.000 0.000
y 0.000 -32.932 0.000
z 0.000 0.000 -39.954
Traceless
 xyz
x 3.511 0.000 0.000
y 0.000 3.511 0.000
z 0.000 0.000 -7.022
Polar
3z2-r2-14.044
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 11.985 0.000 0.000
y 0.000 11.985 0.000
z 0.000 0.000 16.240


<r2> (average value of r2) Å2
<r2> 123.906
(<r2>)1/2 11.131

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-4155.633830
Energy at 298.15K-4155.632089
HF Energy-4155.633830
Nuclear repulsion energy214.390786
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 LSDA/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 226 222 18.86      

Unscaled Zero Point Vibrational Energy (zpe) 113.0 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 111.1 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 LSDA/6-311G*
B
0.07365

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.302
As2 0.000 0.000 1.223

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5251
As22.5251

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.091      
2 As -0.091      


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 -37.619 0.000 0.000
y 0.000 -29.093 0.000
z 0.000 0.000 -39.732
Traceless
 xyz
x -3.206 0.000 0.000
y 0.000 9.582 0.000
z 0.000 0.000 -6.376
Polar
3z2-r2-12.752
x2-y2-8.526
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.985 0.000 0.000
y 0.000 11.985 0.000
z 0.000 0.000 16.240


<r2> (average value of r2) Å2
<r2> 124.076
(<r2>)1/2 11.139