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

using model chemistry: HF/LANL2DZ

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 HF/LANL2DZ
 hartrees
Energy at 0K-7.898626
Energy at 298.15K 
HF Energy-7.898626
Nuclear repulsion energy3.114489
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 HF/LANL2DZ
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 132 119 52.48 2283.40 0.28 0.44

Unscaled Zero Point Vibrational Energy (zpe) 65.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 59.3 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 HF/LANL2DZ
B
0.07229

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

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 1.234

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5486
As22.5486

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.230      
2 As -0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.205 2.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.832 0.000 0.000
y 0.000 -29.790 0.000
z 0.000 0.000 -25.426
Traceless
 xyz
x 3.776 0.000 0.000
y 0.000 -5.161 0.000
z 0.000 0.000 1.385
Polar
3z2-r22.771
x2-y25.958
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.079 0.000 0.000
y 0.000 2.664 0.000
z 0.000 0.000 32.961


<r2> (average value of r2) Å2
<r2> 29.258
(<r2>)1/2 5.409

State 2 (1Σ)

Jump to S1C1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-7.828533
Energy at 298.15K 
HF Energy-7.828533
Nuclear repulsion energy3.456201
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 HF/LANL2DZ
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 253 227 3.43 2659.49 0.10 0.19

Unscaled Zero Point Vibrational Energy (zpe) 126.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 113.6 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 HF/LANL2DZ
B
0.08903

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.184
As2 0.000 0.000 1.112

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.2966
As22.2966

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.288      
2 As -0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.812 3.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.056 0.000 0.000
y 0.000 -29.056 0.000
z 0.000 0.000 -17.016
Traceless
 xyz
x -6.020 0.000 0.000
y 0.000 -6.020 0.000
z 0.000 0.000 12.040
Polar
3z2-r224.081
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -4.018 0.000 0.000
y 0.000 -4.018 0.000
z 0.000 0.000 14.989


<r2> (average value of r2) Å2
<r2> 26.036
(<r2>)1/2 5.103