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

using model chemistry: CID/cc-pVTZ-PP

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 CID/cc-pVTZ-PP
 hartrees
Energy at 0K-589.802162
Energy at 298.15K 
HF Energy-589.542027
Nuclear repulsion energy101.061821
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 CID/cc-pVTZ-PP
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 223 223 28.13      

Unscaled Zero Point Vibrational Energy (zpe) 111.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 111.7 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 CID/cc-pVTZ-PP
B
0.07342

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.304
As2 0.000 0.000 1.225

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5291
As22.5291

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 CID/cc-pVTZ-PP
 hartrees
Energy at 0K-589.754611
Energy at 298.15K 
HF Energy-589.480186
Nuclear repulsion energy101.700466
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 CID/cc-pVTZ-PP
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 234 234 31.03      

Unscaled Zero Point Vibrational Energy (zpe) 117.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 117.0 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 CID/cc-pVTZ-PP
B
0.07435

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.296
As2 0.000 0.000 1.217

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5132
As22.5132

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