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

using model chemistry: ROHF/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 ROHF/6-31+G**
 hartrees
Energy at 0K-4153.230922
Energy at 298.15K 
HF Energy-4153.230922
Nuclear repulsion energy214.376695
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/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 223 191 35.29      

Unscaled Zero Point Vibrational Energy (zpe) 111.4 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 95.3 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 ROHF/6-31+G**
B
0.07364

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

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
Ga12.5252
As22.5252

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.255      
2 As -0.255      


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 -1.303 1.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.798 0.000 0.000
y 0.000 -33.798 0.000
z 0.000 0.000 -44.179
Traceless
 xyz
x 5.191 0.000 0.000
y 0.000 5.191 0.000
z 0.000 0.000 -10.381
Polar
3z2-r2-20.763
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> 125.199
(<r2>)1/2 11.189

State 2 (1Σ)

Jump to S1C1
Energy calculated at ROHF/6-31+G**
 hartrees
Energy at 0K-4153.173047
Energy at 298.15K 
HF Energy-4153.173047
Nuclear repulsion energy215.123703
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/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 230 197 39.70      

Unscaled Zero Point Vibrational Energy (zpe) 115.1 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 98.5 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/6-31+G**
B
0.07415

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.298
As2 0.000 0.000 1.219

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5165
As22.5165

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/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.221      
2 As -0.221      


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 -39.045 0.000 0.000
y 0.000 -29.835 0.000
z 0.000 0.000 -43.860
Traceless
 xyz
x -2.197 0.000 0.000
y 0.000 11.618 0.000
z 0.000 0.000 -9.420
Polar
3z2-r2-18.840
x2-y2-9.210
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> 124.693
(<r2>)1/2 11.167