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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Π
2 1 no C*V 1Σ

State 1 (3Π)

Jump to S2C1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-4160.007973
Energy at 298.15K 
HF Energy-4160.007973
Nuclear repulsion energy208.302333
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 PBEPBE/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 206 205 21.07 160.44 0.39 0.56

Unscaled Zero Point Vibrational Energy (zpe) 103.0 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 102.3 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 PBEPBE/aug-cc-pVDZ
B
0.06953

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.340
As2 0.000 0.000 1.259

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5989
As22.5989

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.201      
2 As -0.201      


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 -1.326 1.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.411 0.000 0.000
y 0.000 -33.411 0.000
z 0.000 0.000 -40.464
Traceless
 xyz
x 3.526 0.000 0.000
y 0.000 3.526 0.000
z 0.000 0.000 -7.053
Polar
3z2-r2-14.106
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 10.446 0.000 0.000
y 0.000 10.446 0.000
z 0.000 0.000 18.942


<r2> (average value of r2) Å2
<r2> 130.296
(<r2>)1/2 11.415

State 2 (1Σ)

Jump to S1C1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-4159.898401
Energy at 298.15K 
HF Energy-4159.898401
Nuclear repulsion energy215.676608
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 PBEPBE/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 210 208 20.02      

Unscaled Zero Point Vibrational Energy (zpe) 104.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 104.2 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 PBEPBE/aug-cc-pVDZ
B
0.06965

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.339
As2 0.000 0.000 1.258

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5965
As22.5965

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.150      
2 As -0.150      


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 -0.997 0.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.458 0.000 0.000
y 0.000 -29.537 0.000
z 0.000 0.000 -40.215
Traceless
 xyz
x -3.582 0.000 0.000
y 0.000 9.800 0.000
z 0.000 0.000 -6.218
Polar
3z2-r2-12.435
x2-y2-8.922
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.446 0.000 0.000
y 0.000 10.446 0.000
z 0.000 0.000 18.942


<r2> (average value of r2) Å2
<r2> 130.295
(<r2>)1/2 11.415