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

using model chemistry: CBS-Q

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 CBS-Q
 hartrees
Energy at 0K-4158.109825
Energy at 298.15K-4158.105962
HF Energy-4153.242544
Nuclear repulsion energy213.781263
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 CBS-Q
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 219 219 30.14      

Unscaled Zero Point Vibrational Energy (zpe) 109.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 109.4 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 CBS-Q
B
0.07371

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

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
Ga12.5297
As22.5297

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 CBS-Q
 hartrees
Energy at 0K-4158.077099
Energy at 298.15K-4158.073255
HF Energy-4153.179247
Nuclear repulsion energy215.540459
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 CBS-Q
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 233 233 34.82      

Unscaled Zero Point Vibrational Energy (zpe) 116.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 116.6 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 CBS-Q
B
0.07467

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

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
Ga12.5127
As22.5127

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