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

using model chemistry: ROHF/cc-pVDZ

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 ROHF/cc-pVDZ
 hartrees
Energy at 0K-4157.383648
Energy at 298.15K 
HF Energy-4157.383648
Nuclear repulsion energy209.506925
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 ROHF/cc-pVDZ
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 215 185 30.08      

Unscaled Zero Point Vibrational Energy (zpe) 107.5 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 92.5 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 ROHF/cc-pVDZ
B
0.07033

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVDZ

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 1.252

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5839
As22.5839

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.275      
2 As -0.275      


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 -1.601 1.601
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.210 0.000 0.000
y 0.000 -33.210 0.000
z 0.000 0.000 -43.079
Traceless
 xyz
x 4.935 0.000 0.000
y 0.000 4.935 0.000
z 0.000 0.000 -9.869
Polar
3z2-r2-19.739
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 129.519
(<r2>)1/2 11.381

State 2 (1Σ)

Jump to S1C1
Energy calculated at ROHF/cc-pVDZ
 hartrees
Energy at 0K-4157.325163
Energy at 298.15K 
HF Energy-4157.325163
Nuclear repulsion energy211.153192
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 ROHF/cc-pVDZ
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 226 194 34.08      

Unscaled Zero Point Vibrational Energy (zpe) 113.0 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 97.2 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 ROHF/cc-pVDZ
B
0.07144

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVDZ

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
Ga12.5638
As22.5638

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.225      
2 As -0.225      


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 -1.149 1.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.206 0.000 0.000
y 0.000 -37.940 0.000
z 0.000 0.000 -42.742
Traceless
 xyz
x 11.135 0.000 0.000
y 0.000 -1.966 0.000
z 0.000 0.000 -9.169
Polar
3z2-r2-18.338
x2-y28.734
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 127.942
(<r2>)1/2 11.311