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

using model chemistry: B3LYP/SDD

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 B3LYP/SDD
 hartrees
Energy at 0K-8.247085
Energy at 298.15K 
HF Energy-8.247085
Nuclear repulsion energy3.255517
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 B3LYP/SDD
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 227 218 6.03 4943.80 0.30 0.46

Unscaled Zero Point Vibrational Energy (zpe) 113.3 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 108.9 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 B3LYP/SDD
B
0.07899

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.257
As2 0.000 0.000 1.181

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4382
As22.4382

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD 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 -2.378 2.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.133 0.000 0.000
y 0.000 -28.228 0.000
z 0.000 0.000 -23.754
Traceless
 xyz
x 2.859 0.000 0.000
y 0.000 -4.785 0.000
z 0.000 0.000 1.926
Polar
3z2-r23.852
x2-y25.096
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.532 0.000 0.000
y 0.000 -2.775 0.000
z 0.000 0.000 15.243


<r2> (average value of r2) Å2
<r2> 27.354
(<r2>)1/2 5.230

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-8.209334
Energy at 298.15K 
HF Energy-8.209334
Nuclear repulsion energy3.537042
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 B3LYP/SDD
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 289 278 1.31 0.00 0.12 0.22

Unscaled Zero Point Vibrational Energy (zpe) 144.4 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 138.8 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 B3LYP/SDD
B
0.09324

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.157
As2 0.000 0.000 1.087

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.2442
As22.2442

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.213      
2 As -0.213      


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 -3.018 3.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.840 0.000 0.000
y 0.000 -27.840 0.000
z 0.000 0.000 -16.020
Traceless
 xyz
x -5.910 0.000 0.000
y 0.000 -5.910 0.000
z 0.000 0.000 11.820
Polar
3z2-r223.641
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 -70.035 0.000 0.000
y 0.000 -70.035 0.000
z 0.000 0.000 14.301


<r2> (average value of r2) Å2
<r2> 24.853
(<r2>)1/2 4.985