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

using model chemistry: QCISD(T)=FULL/aug-cc-pVQZ

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 QCISD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-4158.122308
Energy at 298.15K-4158.120566
HF Energy-4157.535448
Nuclear repulsion energy215.030471
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 QCISD(T)=FULL/aug-cc-pVQZ
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 224 224        

Unscaled Zero Point Vibrational Energy (zpe) 112.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 112.1 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 QCISD(T)=FULL/aug-cc-pVQZ
B
0.07409

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.298
As2 0.000 0.000 1.219

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5175
As22.5175

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 QCISD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-4158.086290
Energy at 298.15K-4158.084556
HF Energy-4157.474124
Nuclear repulsion energy216.061502
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 QCISD(T)=FULL/aug-cc-pVQZ
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 230 230        

Unscaled Zero Point Vibrational Energy (zpe) 115.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 115.0 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 QCISD(T)=FULL/aug-cc-pVQZ
B
0.07480

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.292
As2 0.000 0.000 1.214

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5055
As22.5055

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