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

using model chemistry: B3PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-4160.720578
Energy at 298.15K 
HF Energy-4160.720578
Nuclear repulsion energy210.570345
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/TZVP
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 23.05 89.79 0.50 0.67

Unscaled Zero Point Vibrational Energy (zpe) 106.4 cm-1
Scaled (by 0.9643) 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/TZVP
B
0.07105

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.326
As2 0.000 0.000 1.245

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5709
As22.5709

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/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.246      
2 As -0.246      


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 -1.449 1.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.803 0.000 0.000
y 0.000 -32.803 0.000
z 0.000 0.000 -40.676
Traceless
 xyz
x 3.937 0.000 0.000
y 0.000 3.937 0.000
z 0.000 0.000 -7.874
Polar
3z2-r2-15.747
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 7.306 0.000 0.000
y 0.000 7.306 0.000
z 0.000 0.000 16.035


<r2> (average value of r2) Å2
<r2> 127.774
(<r2>)1/2 11.304

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-4160.676071
Energy at 298.15K 
HF Energy-4160.676071
Nuclear repulsion energy211.204207
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/TZVP
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 220 212 22.37 92527.59 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 109.8 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 105.9 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 B3PW91/TZVP
B
0.07148

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.322
As2 0.000 0.000 1.242

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5632
As22.5632

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/TZVP 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 -1.020 1.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.942 0.000 0.000
y 0.000 -37.485 0.000
z 0.000 0.000 -40.367
Traceless
 xyz
x 9.984 0.000 0.000
y 0.000 -2.830 0.000
z 0.000 0.000 -7.154
Polar
3z2-r2-14.307
x2-y28.543
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -7.757 0.000 0.000
y 0.000 6.412 0.000
z 0.000 0.000 16.503


<r2> (average value of r2) Å2
<r2> 127.247
(<r2>)1/2 11.280