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

using model chemistry: LSDA/6-31G*

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 LSDA/6-31G*
 hartrees
Energy at 0K-4151.660712
Energy at 298.15K-4151.658978
HF Energy-4151.660712
Nuclear repulsion energy219.277253
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 LSDA/6-31G*
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 232 228 20.49      

Unscaled Zero Point Vibrational Energy (zpe) 116.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 114.0 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 LSDA/6-31G*
B
0.07704

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.273
As2 0.000 0.000 1.196

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4688
As22.4688

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.054      
2 As -0.054      


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 -0.425 0.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.807 0.000 0.000
y 0.000 -32.807 0.000
z 0.000 0.000 -40.110
Traceless
 xyz
x 3.652 0.000 0.000
y 0.000 3.652 0.000
z 0.000 0.000 -7.303
Polar
3z2-r2-14.607
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> 119.434
(<r2>)1/2 10.929

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-4151.621994
Energy at 298.15K-4151.620266
HF Energy-4151.621994
Nuclear repulsion energy219.289728
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 LSDA/6-31G*
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 236 232 17.95      

Unscaled Zero Point Vibrational Energy (zpe) 118.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 115.8 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 LSDA/6-31G*
B
0.07705

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.273
As2 0.000 0.000 1.196

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4686
As22.4686

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.004      
2 As -0.004      


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 -0.028 0.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.179 0.000 0.000
y 0.000 -29.065 0.000
z 0.000 0.000 -39.831
Traceless
 xyz
x -2.731 0.000 0.000
y 0.000 9.440 0.000
z 0.000 0.000 -6.708
Polar
3z2-r2-13.417
x2-y2-8.114
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> 119.496
(<r2>)1/2 10.931