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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-4140.582759
Energy at 298.15K 
HF Energy-4140.582759
Nuclear repulsion energy204.290082
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 BLYP/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 203 201 14.56 4523.67 0.16 0.28

Unscaled Zero Point Vibrational Energy (zpe) 101.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 100.7 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 BLYP/3-21G
B
0.06687

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.366
As2 0.000 0.000 1.284

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.6499
As22.6499

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.218      
2 As -0.218      


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 -1.122 1.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.218 0.000 0.000
y 0.000 -33.218 0.000
z 0.000 0.000 -42.427
Traceless
 xyz
x 4.604 0.000 0.000
y 0.000 4.604 0.000
z 0.000 0.000 -9.208
Polar
3z2-r2-18.417
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 10.808 0.000 0.000
y 0.000 10.808 0.000
z 0.000 0.000 17.065


<r2> (average value of r2) Å2
<r2> 134.907
(<r2>)1/2 11.615

State 2 (1Σ)

Jump to S1C1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-4140.544290
Energy at 298.15K 
HF Energy-4140.544290
Nuclear repulsion energy205.002013
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 BLYP/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 208 207 12.96 207.20 0.55 0.71

Unscaled Zero Point Vibrational Energy (zpe) 104.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 103.4 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 BLYP/3-21G
B
0.06734

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.362
As2 0.000 0.000 1.279

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.6407
As22.6407

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.162      
2 As -0.162      


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 -0.528 0.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.194 0.000 0.000
y 0.000 -29.088 0.000
z 0.000 0.000 -42.095
Traceless
 xyz
x -2.602 0.000 0.000
y 0.000 11.056 0.000
z 0.000 0.000 -8.454
Polar
3z2-r2-16.908
x2-y2-9.106
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.808 0.000 0.000
y 0.000 10.808 0.000
z 0.000 0.000 17.065


<r2> (average value of r2) Å2
<r2> 134.235
(<r2>)1/2 11.586