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

using model chemistry: ROMP2/Def2TZVPP

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 ROMP2/Def2TZVPP
 hartrees
Energy at 0K-4157.856676
Energy at 298.15K 
HF Energy-4157.444445
Nuclear repulsion energy214.418302
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 ROMP2/Def2TZVPP
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 231 231        

Unscaled Zero Point Vibrational Energy (zpe) 115.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 115.7 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 ROMP2/Def2TZVPP
B
0.07367

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.302
As2 0.000 0.000 1.223

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5247
As22.5247

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.347      
2 As -0.347      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 124.702
(<r2>)1/2 11.167

State 2 (1Σ)

Jump to S1C1
Energy calculated at ROMP2/Def2TZVPP
 hartrees
Energy at 0K-4157.809538
Energy at 298.15K 
HF Energy-4157.387516
Nuclear repulsion energy215.386936
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 ROMP2/Def2TZVPP
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 239 239        

Unscaled Zero Point Vibrational Energy (zpe) 119.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 119.6 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 ROMP2/Def2TZVPP
B
0.07433

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/Def2TZVPP

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
Ga12.5134
As22.5134

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.287      
2 As -0.287      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 123.906
(<r2>)1/2 11.131