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

using model chemistry: CCD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-4157.565214
Energy at 298.15K-4157.563451
HF Energy-4157.392466
Nuclear repulsion energy208.841980
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/aug-cc-pVDZ
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 209 202 24.88      

Unscaled Zero Point Vibrational Energy (zpe) 104.5 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 100.8 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/aug-cc-pVDZ
B
0.06989

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.337
As2 0.000 0.000 1.256

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5921
As22.5921

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/aug-cc-pVDZ
 hartrees
Energy at 0K-4157.521734
Energy at 298.15K-4157.519985
HF Energy-4157.330025
Nuclear repulsion energy210.246909
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/aug-cc-pVDZ
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 219 211 29.36      

Unscaled Zero Point Vibrational Energy (zpe) 109.2 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 105.4 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 CCD/aug-cc-pVDZ
B
0.07083

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.328
As2 0.000 0.000 1.247

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5748
As22.5748

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