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

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-4157.495416
Energy at 298.15K-4157.493649
HF Energy-4157.363602
Nuclear repulsion energy208.353961
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 CISD/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 208 192 23.11      

Unscaled Zero Point Vibrational Energy (zpe) 103.8 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 96.1 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 CISD/6-311G*
B
0.06956

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.340
As2 0.000 0.000 1.259

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5982
As22.5982

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-4157.447479
Energy at 298.15K-4157.445733
HF Energy-4157.301596
Nuclear repulsion energy210.178571
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 CISD/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 222 206 27.23      

Unscaled Zero Point Vibrational Energy (zpe) 111.0 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 102.7 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 CISD/6-311G*
B
0.07078

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.328
As2 0.000 0.000 1.248

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5757
As22.5757

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability