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

using model chemistry: ROMP2/TZVP

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 ROMP2/TZVP
 hartrees
Energy at 0K-4157.793100
Energy at 298.15K 
HF Energy-4157.440800
Nuclear repulsion energy212.782294
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 ROMP2/TZVP
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 224 224        

Unscaled Zero Point Vibrational Energy (zpe) 111.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 111.7 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 ROMP2/TZVP
B
0.07255

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.312
As2 0.000 0.000 1.232

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5442
As22.5442

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.317      
2 As -0.317      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 126.385
(<r2>)1/2 11.242

State 2 (1Σ)

Jump to S1C1
Energy calculated at ROMP2/TZVP
 hartrees
Energy at 0K-4157.743191
Energy at 298.15K 
HF Energy-4157.382977
Nuclear repulsion energy213.969951
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 ROMP2/TZVP
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 233 233        

Unscaled Zero Point Vibrational Energy (zpe) 116.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 116.6 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 ROMP2/TZVP
B
0.07336

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.305
As2 0.000 0.000 1.225

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5300
As22.5300

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.271      
2 As -0.271      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 125.350
(<r2>)1/2 11.196