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

using model chemistry: MP2/6-311G*

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 MP2/6-311G*
 hartrees
Energy at 0K-4157.475935
Energy at 298.15K 
HF Energy-4157.363613
Nuclear repulsion energy209.010722
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 MP2/6-311G*
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 212 201 25.37 11810.84 0.10 0.19

Unscaled Zero Point Vibrational Energy (zpe) 105.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 100.5 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 MP2/6-311G*
B
0.07000

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.335
As2 0.000 0.000 1.255

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5901
As22.5901

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 MP2/6-311G*
 hartrees
Energy at 0K-4157.427304
Energy at 298.15K 
HF Energy-4157.301597
Nuclear repulsion energy210.271964
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 MP2/6-311G*
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 224 213 26.58 442.76 0.50 0.66

Unscaled Zero Point Vibrational Energy (zpe) 111.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 106.2 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 MP2/6-311G*
B
0.07085

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.327
As2 0.000 0.000 1.247

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5745
As22.5745

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