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

using model chemistry: BLYP/STO-3G

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 BLYP/STO-3G
 hartrees
Energy at 0K-4112.623246
Energy at 298.15K 
HF Energy-4112.623246
Nuclear repulsion energy264.414048
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 BLYP/STO-3G
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 441 408 0.23 11.84 0.48 0.65

Unscaled Zero Point Vibrational Energy (zpe) 220.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 204.1 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 BLYP/STO-3G
B
0.11203

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.056
As2 0.000 0.000 0.992

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.0474
As22.0474

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga -0.117      
2 As 0.117      


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 1.816 1.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.304 0.000 0.000
y 0.000 -31.304 0.000
z 0.000 0.000 -39.473
Traceless
 xyz
x 4.084 0.000 0.000
y 0.000 4.084 0.000
z 0.000 0.000 -8.169
Polar
3z2-r2-16.337
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> 88.254
(<r2>)1/2 9.394

State 2 (1Σ)

Jump to S1C1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-4112.585117
Energy at 298.15K 
HF Energy-4112.585117
Nuclear repulsion energy265.260935
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 BLYP/STO-3G
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 445 412 0.42 11.40 0.40 0.58

Unscaled Zero Point Vibrational Energy (zpe) 222.5 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 205.9 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 BLYP/STO-3G
B
0.11275

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.052
As2 0.000 0.000 0.989

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.0408
As22.0408

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga -0.116      
2 As 0.116      


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 1.881 1.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.400 0.000 0.000
y 0.000 -28.884 0.000
z 0.000 0.000 -39.585
Traceless
 xyz
x 0.835 0.000 0.000
y 0.000 7.608 0.000
z 0.000 0.000 -8.443
Polar
3z2-r2-16.886
x2-y2-4.516
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> 87.782
(<r2>)1/2 9.369