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

using model chemistry: B97D3/3-21G*

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 B97D3/3-21G*
 hartrees
Energy at 0K-4142.981001
Energy at 298.15K 
HF Energy-4142.981001
Nuclear repulsion energy208.943835
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 B97D3/3-21G*
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 211 211 19.12 12887.30 0.15 0.25

Unscaled Zero Point Vibrational Energy (zpe) 105.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 105.6 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 B97D3/3-21G*
B
0.06995

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

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 B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.181      
2 As -0.181      


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 -0.837 0.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.894 0.000 0.000
y 0.000 -32.894 0.000
z 0.000 0.000 -40.474
Traceless
 xyz
x 3.790 0.000 0.000
y 0.000 3.790 0.000
z 0.000 0.000 -7.580
Polar
3z2-r2-15.160
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 11.655 0.000 0.000
y 0.000 11.655 0.000
z 0.000 0.000 16.067


<r2> (average value of r2) Å2
<r2> 129.421
(<r2>)1/2 11.376

State 2 (1Σ)

Jump to S1C1
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-4142.936678
Energy at 298.15K 
HF Energy-4142.936678
Nuclear repulsion energy209.869969
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 B97D3/3-21G*
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 221 221 16.68 505.63 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 110.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 110.4 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 B97D3/3-21G*
B
0.07058

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.330
As2 0.000 0.000 1.249

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5794
As22.5794

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.109      
2 As -0.109      


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 -0.246 0.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.519 0.000 0.000
y 0.000 -29.301 0.000
z 0.000 0.000 -40.057
Traceless
 xyz
x -2.840 0.000 0.000
y 0.000 9.487 0.000
z 0.000 0.000 -6.647
Polar
3z2-r2-13.294
x2-y2-8.218
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.655 0.000 0.000
y 0.000 11.655 0.000
z 0.000 0.000 16.067


<r2> (average value of r2) Å2
<r2> 128.604
(<r2>)1/2 11.340