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

using model chemistry: LSDA/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-4151.680543
Energy at 298.15K-4151.678807
HF Energy-4151.680543
Nuclear repulsion energy218.792437
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/6-31+G**
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 229 226 22.52      

Unscaled Zero Point Vibrational Energy (zpe) 114.6 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 112.9 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 LSDA/6-31+G**
B
0.07670

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.276
As2 0.000 0.000 1.198

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4743
As22.4743

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.103      
2 As -0.103      


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 -0.730 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.260 0.000 0.000
y 0.000 -33.260 0.000
z 0.000 0.000 -40.864
Traceless
 xyz
x 3.802 0.000 0.000
y 0.000 3.802 0.000
z 0.000 0.000 -7.604
Polar
3z2-r2-15.207
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> 120.212
(<r2>)1/2 10.964

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-4151.642285
Energy at 298.15K-4151.640552
HF Energy-4151.642285
Nuclear repulsion energy218.587720
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/6-31+G**
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 232 228 20.69      

Unscaled Zero Point Vibrational Energy (zpe) 115.9 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 114.1 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/6-31+G**
B
0.07656

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.277
As2 0.000 0.000 1.200

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.4766
As22.4766

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.065      
2 As -0.065      


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 -0.414 0.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.477 0.000 0.000
y 0.000 -38.033 0.000
z 0.000 0.000 -40.600
Traceless
 xyz
x 9.840 0.000 0.000
y 0.000 -2.995 0.000
z 0.000 0.000 -6.845
Polar
3z2-r2-13.691
x2-y28.557
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> 120.547
(<r2>)1/2 10.979