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

using model chemistry: LSDA/cc-pVTZ-PP

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/cc-pVTZ-PP
 hartrees
Energy at 0K-591.918434
Energy at 298.15K 
HF Energy-591.918434
Nuclear repulsion energy101.193037
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/cc-pVTZ-PP
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 218 218 20.46 9350.72 0.15 0.26

Unscaled Zero Point Vibrational Energy (zpe) 109.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 109.1 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/cc-pVTZ-PP
B
0.07361

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.302
As2 0.000 0.000 1.223

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5258
As22.5258

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/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.196      
2 As -0.196      


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 -1.094 1.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.397 0.000 0.000
y 0.000 -32.397 0.000
z 0.000 0.000 -38.994
Traceless
 xyz
x 3.299 0.000 0.000
y 0.000 3.299 0.000
z 0.000 0.000 -6.597
Polar
3z2-r2-13.194
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 11.793 0.000 0.000
y 0.000 11.793 0.000
z 0.000 0.000 17.063


<r2> (average value of r2) Å2
<r2> 91.653
(<r2>)1/2 9.574

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/cc-pVTZ-PP
 hartrees
Energy at 0K-591.881726
Energy at 298.15K 
HF Energy-591.881726
Nuclear repulsion energy101.255318
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/cc-pVTZ-PP
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 222 222 18.53 67.75 0.72 0.83

Unscaled Zero Point Vibrational Energy (zpe) 110.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 110.8 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/cc-pVTZ-PP
B
0.07370

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.302
As2 0.000 0.000 1.223

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5242
As22.5242

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/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.148      
2 As -0.148      


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 -0.779 0.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.611 0.000 0.000
y 0.000 -36.972 0.000
z 0.000 0.000 -38.816
Traceless
 xyz
x 9.282 0.000 0.000
y 0.000 -3.258 0.000
z 0.000 0.000 -6.024
Polar
3z2-r2-12.049
x2-y28.360
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.793 0.000 0.000
y 0.000 11.793 0.000
z 0.000 0.000 17.063


<r2> (average value of r2) Å2
<r2> 91.694
(<r2>)1/2 9.576