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

using model chemistry: MP4/cc-pVDZ

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 MP4/cc-pVDZ
 hartrees
Energy at 0K-4157.557800
Energy at 298.15K-4157.556045
HF Energy-4157.388146
Nuclear repulsion energy209.759791
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 MP4/cc-pVDZ
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 215 208        

Unscaled Zero Point Vibrational Energy (zpe) 107.5 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 103.9 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 MP4/cc-pVDZ
B
0.07050

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.331
As2 0.000 0.000 1.250

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5807
As22.5807

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 MP4/cc-pVDZ
 hartrees
Energy at 0K-4157.511666
Energy at 298.15K-4157.509929
HF Energy-4157.325160
Nuclear repulsion energy211.566757
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 MP4/cc-pVDZ
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 228 220        

Unscaled Zero Point Vibrational Energy (zpe) 113.9 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 110.1 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 MP4/cc-pVDZ
B
0.07172

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.319
As2 0.000 0.000 1.239

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5587
As22.5587

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