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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-4155.394129
Energy at 298.15K 
HF Energy-4155.376655
Nuclear repulsion energy208.674998
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/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 202 202 18.13 492.87 0.27 0.42

Unscaled Zero Point Vibrational Energy (zpe) 101.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 101.2 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 B2PLYP/6-31G
B
0.06977

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.338
As2 0.000 0.000 1.257

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5942
As22.5942

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/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.280      
2 As -0.280      


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 -1.738 1.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.404 0.000 0.000
y 0.000 -33.404 0.000
z 0.000 0.000 -43.780
Traceless
 xyz
x 5.188 0.000 0.000
y 0.000 5.188 0.000
z 0.000 0.000 -10.376
Polar
3z2-r2-20.751
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 8.762 0.000 0.000
y 0.000 8.762 0.000
z 0.000 0.000 16.148


<r2> (average value of r2) Å2
<r2> 130.585
(<r2>)1/2 11.427

State 2 (1Σ)

Jump to S1C1
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-4155.351518
Energy at 298.15K 
HF Energy-4155.329694
Nuclear repulsion energy209.768019
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/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 211 211 17.58 264600.80 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 105.3 cm-1
Scaled (by 1) 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/6-31G
B
0.07051

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.331
As2 0.000 0.000 1.250

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5807
As22.5807

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/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.220      
2 As -0.220      


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 -1.096 1.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.340 0.000 0.000
y 0.000 -29.353 0.000
z 0.000 0.000 -43.332
Traceless
 xyz
x -1.998 0.000 0.000
y 0.000 11.483 0.000
z 0.000 0.000 -9.485
Polar
3z2-r2-18.971
x2-y2-8.987
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.558 0.000 0.000
y 0.000 35.388 0.000
z 0.000 0.000 16.834


<r2> (average value of r2) Å2
<r2> 129.557
(<r2>)1/2 11.382