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

using model chemistry: CISD/6-31G

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/6-31G
 hartrees
Energy at 0K-4153.026546
Energy at 298.15K-4153.024752
HF Energy-4152.962683
Nuclear repulsion energy206.497816
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/6-31G
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 190 178 14.95      

Unscaled Zero Point Vibrational Energy (zpe) 94.8 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 88.9 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 CISD/6-31G
B
0.06833

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.352
As2 0.000 0.000 1.270

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.6216
As22.6216

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/6-31G
 hartrees
Energy at 0K-4152.978322
Energy at 298.15K-4152.976550
HF Energy-4152.901724
Nuclear repulsion energy208.869374
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/6-31G
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 205 192 19.30      

Unscaled Zero Point Vibrational Energy (zpe) 102.4 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 96.0 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/6-31G
B
0.06990

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.336
As2 0.000 0.000 1.255

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5918
As22.5918

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