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

using model chemistry: B2PLYP/6-31G(2df,p)

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 B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-4156.074641
Energy at 298.15K 
HF Energy-4156.029841
Nuclear repulsion energy217.606560
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 B2PLYP/6-31G(2df,p)
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 238 227 24.99 887.39 0.21 0.35

Unscaled Zero Point Vibrational Energy (zpe) 119.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 113.7 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 B2PLYP/6-31G(2df,p)
B
0.07588

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.283
As2 0.000 0.000 1.205

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4877
As22.4877

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.113      
2 As -0.113      


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 -0.678 0.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.154 0.000 0.000
y 0.000 -33.154 0.000
z 0.000 0.000 -41.281
Traceless
 xyz
x 4.064 0.000 0.000
y 0.000 4.064 0.000
z 0.000 0.000 -8.127
Polar
3z2-r2-16.254
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 10.797 0.000 0.000
y 0.000 10.797 0.000
z 0.000 0.000 15.444


<r2> (average value of r2) Å2
<r2> 121.313
(<r2>)1/2 11.014

State 2 (1Σ)

Jump to S1C1
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-4156.033120
Energy at 298.15K 
HF Energy-4155.982472
Nuclear repulsion energy218.188465
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 B2PLYP/6-31G(2df,p)
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 245 234 23.23 330559.50 0.33 0.49

Unscaled Zero Point Vibrational Energy (zpe) 122.4 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 116.9 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 B2PLYP/6-31G(2df,p)
B
0.07628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.279
As2 0.000 0.000 1.202

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4811
As22.4811

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.033      
2 As -0.033      


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 -0.264 0.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.474 0.000 0.000
y 0.000 -37.635 0.000
z 0.000 0.000 -40.993
Traceless
 xyz
x 9.840 0.000 0.000
y 0.000 -2.401 0.000
z 0.000 0.000 -7.439
Polar
3z2-r2-14.878
x2-y28.160
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.797 0.000 0.000
y 0.000 10.797 0.000
z 0.000 0.000 15.444


<r2> (average value of r2) Å2
<r2> 120.893
(<r2>)1/2 10.995