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

using model chemistry: B3LYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-4160.711793
Energy at 298.15K 
HF Energy-4160.711793
Nuclear repulsion energy208.940906
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/6-311G**
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 207 200 23.01 119.76 0.43 0.60

Unscaled Zero Point Vibrational Energy (zpe) 103.3 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 99.9 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 B3LYP/6-311G**
B
0.06995

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.336
As2 0.000 0.000 1.255

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5909
As22.5909

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/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.198      
2 As -0.198      


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 -1.562 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.109 0.000 0.000
y 0.000 -33.109 0.000
z 0.000 0.000 -40.703
Traceless
 xyz
x 3.797 0.000 0.000
y 0.000 3.797 0.000
z 0.000 0.000 -7.593
Polar
3z2-r2-15.187
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 7.728 0.000 0.000
y 0.000 7.728 0.000
z 0.000 0.000 16.676


<r2> (average value of r2) Å2
<r2> 129.561
(<r2>)1/2 11.382

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-4160.672287
Energy at 298.15K 
HF Energy-4160.672287
Nuclear repulsion energy209.361033
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/6-311G**
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 213 206 22.29 0.00 0.33 0.50

Unscaled Zero Point Vibrational Energy (zpe) 106.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 102.9 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 B3LYP/6-311G**
B
0.07023

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.333
As2 0.000 0.000 1.252

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5857
As22.5857

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/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.152      
2 As -0.152      


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 -1.183 1.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.030 0.000 0.000
y 0.000 -29.212 0.000
z 0.000 0.000 -40.437
Traceless
 xyz
x -3.206 0.000 0.000
y 0.000 10.022 0.000
z 0.000 0.000 -6.816
Polar
3z2-r2-13.632
x2-y2-8.818
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.952 0.000 0.000
y 0.000 -30.595 0.000
z 0.000 0.000 17.118


<r2> (average value of r2) Å2
<r2> 129.289
(<r2>)1/2 11.371