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

using model chemistry: ROHF/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 ROHF/TZVP
 hartrees
Energy at 0K-4157.440979
Energy at 298.15K 
HF Energy-4157.440979
Nuclear repulsion energy209.574794
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 ROHF/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 216 216 30.51      

Unscaled Zero Point Vibrational Energy (zpe) 107.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 107.8 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 ROHF/TZVP
B
0.07038

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.332
As2 0.000 0.000 1.251

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5831
As22.5831

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.324      
2 As -0.324      


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 -1.714 1.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.315 0.000 0.000
y 0.000 -33.315 0.000
z 0.000 0.000 -43.388
Traceless
 xyz
x 5.037 0.000 0.000
y 0.000 5.037 0.000
z 0.000 0.000 -10.073
Polar
3z2-r2-20.146
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> 129.557
(<r2>)1/2 11.382

State 2 (1Σ)

Jump to S1C1
Energy calculated at ROHF/TZVP
 hartrees
Energy at 0K-4157.383150
Energy at 298.15K 
HF Energy-4157.383150
Nuclear repulsion energy210.909329
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 ROHF/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 225 225 34.72      

Unscaled Zero Point Vibrational Energy (zpe) 112.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 112.5 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 ROHF/TZVP
B
0.07128

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.323
As2 0.000 0.000 1.243

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5667
As22.5667

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/TZVP 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 -1.324 1.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.274 0.000 0.000
y 0.000 -38.193 0.000
z 0.000 0.000 -43.084
Traceless
 xyz
x 11.365 0.000 0.000
y 0.000 -2.015 0.000
z 0.000 0.000 -9.350
Polar
3z2-r2-18.700
x2-y28.920
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> 128.323
(<r2>)1/2 11.328