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

using model chemistry: CCD/3-21G

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 CCD/3-21G
 hartrees
Energy at 0K-4137.356244
Energy at 298.15K-4137.354460
HF Energy-4137.289100
Nuclear repulsion energy201.746662
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 CCD/3-21G
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 195 190 16.25      

Unscaled Zero Point Vibrational Energy (zpe) 97.6 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 94.9 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 CCD/3-21G
B
0.06522

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.384
As2 0.000 0.000 1.300

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.6833
As22.6833

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 CCD/3-21G
 hartrees
Energy at 0K-4137.311743
Energy at 298.15K-4137.309967
HF Energy-4137.227948
Nuclear repulsion energy203.495539
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 CCD/3-21G
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 201 195 18.71      

Unscaled Zero Point Vibrational Energy (zpe) 100.5 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 97.7 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 CCD/3-21G
B
0.06635

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.372
As2 0.000 0.000 1.289

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.6602
As22.6602

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