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

using model chemistry: BLYP/3-21G*

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 BLYP/3-21G*
 hartrees
Energy at 0K-4141.042559
Energy at 298.15K 
HF Energy-4141.042559
Nuclear repulsion energy209.602715
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 BLYP/3-21G*
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 220 218 17.67 737.91 0.22 0.37

Unscaled Zero Point Vibrational Energy (zpe) 109.9 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 109.2 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 BLYP/3-21G*
B
0.07040

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.332
As2 0.000 0.000 1.251

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5827
As22.5827

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.141      
2 As -0.141      


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 -0.614 0.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.260 0.000 0.000
y 0.000 -33.260 0.000
z 0.000 0.000 -40.456
Traceless
 xyz
x 3.598 0.000 0.000
y 0.000 3.598 0.000
z 0.000 0.000 -7.196
Polar
3z2-r2-14.391
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 8.684 0.000 0.000
y 0.000 8.684 0.000
z 0.000 0.000 16.031


<r2> (average value of r2) Å2
<r2> 128.896
(<r2>)1/2 11.353

State 2 (1Σ)

Jump to S1C1
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-4141.003419
Energy at 298.15K 
HF Energy-4141.003419
Nuclear repulsion energy209.987863
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 BLYP/3-21G*
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 225 223 15.42 267.34 0.53 0.69

Unscaled Zero Point Vibrational Energy (zpe) 112.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 111.7 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 BLYP/3-21G*
B
0.07066

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

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 1.249

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5780
As22.5780

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.088      
2 As -0.088      


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 -0.121 0.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.752 0.000 0.000
y 0.000 -29.526 0.000
z 0.000 0.000 -40.162
Traceless
 xyz
x -2.909 0.000 0.000
y 0.000 9.431 0.000
z 0.000 0.000 -6.523
Polar
3z2-r2-13.045
x2-y2-8.226
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.684 0.000 0.000
y 0.000 8.684 0.000
z 0.000 0.000 16.031


<r2> (average value of r2) Å2
<r2> 128.602
(<r2>)1/2 11.340