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

using model chemistry: CCSD=FULL/6-311+G(3df,2p)

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 CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-4158.334002
Energy at 298.15K 
HF Energy-4157.373611
Nuclear repulsion energy212.392868
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 CCSD=FULL/6-311+G(3df,2p)
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 221 221 26.39      

Unscaled Zero Point Vibrational Energy (zpe) 110.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 110.2 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 CCSD=FULL/6-311+G(3df,2p)
B
0.07228

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.314
As2 0.000 0.000 1.235

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5488
As22.5488

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 CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-4158.293086
Energy at 298.15K 
HF Energy-4157.312034
Nuclear repulsion energy213.619229
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 CCSD=FULL/6-311+G(3df,2p)
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 229 229 29.15      

Unscaled Zero Point Vibrational Energy (zpe) 114.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 114.7 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 CCSD=FULL/6-311+G(3df,2p)
B
0.07312

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.307
As2 0.000 0.000 1.227

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5342
As22.5342

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