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

using model chemistry: B2PLYP/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 B2PLYP/TZVP
 hartrees
Energy at 0K-4159.932800
Energy at 298.15K 
HF Energy-4159.816425
Nuclear repulsion energy210.425162
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/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 213 203 22.11 74.66 0.57 0.73

Unscaled Zero Point Vibrational Energy (zpe) 106.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 101.5 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 B2PLYP/TZVP
B
0.07095

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.327
As2 0.000 0.000 1.246

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5726
As22.5726

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/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.247      
2 As -0.247      


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 -1.424 1.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.050 0.000 0.000
y 0.000 -33.050 0.000
z 0.000 0.000 -41.306
Traceless
 xyz
x 4.128 0.000 0.000
y 0.000 4.128 0.000
z 0.000 0.000 -8.256
Polar
3z2-r2-16.512
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 7.218 0.000 0.000
y 0.000 7.218 0.000
z 0.000 0.000 15.855


<r2> (average value of r2) Å2
<r2> 128.146
(<r2>)1/2 11.320

State 2 (1Σ)

Jump to S1C1
Energy calculated at B2PLYP/TZVP
 hartrees
Energy at 0K-4159.890720
Energy at 298.15K 
HF Energy-4159.769248
Nuclear repulsion energy211.296122
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/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 221 211 21.21 14963.37 0.36 0.53

Unscaled Zero Point Vibrational Energy (zpe) 110.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 105.3 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/TZVP
B
0.07154

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.321
As2 0.000 0.000 1.241

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5620
As22.5620

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/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.192      
2 As -0.192      


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 -0.929 0.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.773 0.000 0.000
y 0.000 -29.197 0.000
z 0.000 0.000 -40.961
Traceless
 xyz
x -2.694 0.000 0.000
y 0.000 10.170 0.000
z 0.000 0.000 -7.476
Polar
3z2-r2-14.952
x2-y2-8.576
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.327 0.000 0.000
y 0.000 15.544 0.000
z 0.000 0.000 16.459


<r2> (average value of r2) Å2
<r2> 127.384
(<r2>)1/2 11.286