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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-4160.663423
Energy at 298.15K 
HF Energy-4160.663423
Nuclear repulsion energy210.098494
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 B3PW91/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 213 205 22.49      

Unscaled Zero Point Vibrational Energy (zpe) 106.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 102.6 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 B3PW91/cc-pVDZ
B
0.07073

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.329
As2 0.000 0.000 1.248

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5766
As22.5766

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.188      
2 As -0.188      


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 -1.292 1.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.657 0.000 0.000
y 0.000 -32.657 0.000
z 0.000 0.000 -40.264
Traceless
 xyz
x 3.803 0.000 0.000
y 0.000 3.803 0.000
z 0.000 0.000 -7.607
Polar
3z2-r2-15.214
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 7.106 0.000 0.000
y 0.000 7.106 0.000
z 0.000 0.000 15.481


<r2> (average value of r2) Å2
<r2> 128.102
(<r2>)1/2 11.318

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-4160.618141
Energy at 298.15K 
HF Energy-4160.618141
Nuclear repulsion energy210.992916
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 B3PW91/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 221 213 21.49      

Unscaled Zero Point Vibrational Energy (zpe) 110.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 106.5 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 B3PW91/cc-pVDZ
B
0.07133

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.323
As2 0.000 0.000 1.243

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5657
As22.5657

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.134      
2 As -0.134      


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 -0.802 0.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.191 0.000 0.000
y 0.000 -28.852 0.000
z 0.000 0.000 -39.923
Traceless
 xyz
x -2.804 0.000 0.000
y 0.000 9.705 0.000
z 0.000 0.000 -6.901
Polar
3z2-r2-13.803
x2-y2-8.339
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.309 0.000 0.000
y 0.000 -9.055 0.000
z 0.000 0.000 15.897


<r2> (average value of r2) Å2
<r2> 127.285
(<r2>)1/2 11.282