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

using model chemistry: B3LYP/6-31+G**

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 B3LYP/6-31+G**
 hartrees
Energy at 0K-4156.665367
Energy at 298.15K 
HF Energy-4156.665367
Nuclear repulsion energy213.089064
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 B3LYP/6-31+G**
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 211 204 25.36 1024.39 0.21 0.35

Unscaled Zero Point Vibrational Energy (zpe) 105.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 101.7 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 B3LYP/6-31+G**
B
0.07276

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.310
As2 0.000 0.000 1.231

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5405
As22.5405

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.166      
2 As -0.166      


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 -1.215 1.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.467 0.000 0.000
y 0.000 -33.467 0.000
z 0.000 0.000 -41.720
Traceless
 xyz
x 4.126 0.000 0.000
y 0.000 4.126 0.000
z 0.000 0.000 -8.253
Polar
3z2-r2-16.506
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 10.479 0.000 0.000
y 0.000 10.479 0.000
z 0.000 0.000 17.526


<r2> (average value of r2) Å2
<r2> 125.785
(<r2>)1/2 11.215

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-4156.624973
Energy at 298.15K 
HF Energy-4156.624973
Nuclear repulsion energy213.282986
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 B3LYP/6-31+G**
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 216 208 25.17 2080.35 0.41 0.59

Unscaled Zero Point Vibrational Energy (zpe) 108.1 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 104.2 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 B3LYP/6-31+G**
B
0.07289

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.309
As2 0.000 0.000 1.229

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5382
As22.5382

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.130      
2 As -0.130      


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 -0.886 0.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.630 0.000 0.000
y 0.000 -38.535 0.000
z 0.000 0.000 -41.406
Traceless
 xyz
x 10.341 0.000 0.000
y 0.000 -3.018 0.000
z 0.000 0.000 -7.324
Polar
3z2-r2-14.647
x2-y28.906
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -0.103 0.000 0.000
y 0.000 8.817 0.000
z 0.000 0.000 17.924


<r2> (average value of r2) Å2
<r2> 125.788
(<r2>)1/2 11.216