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

using model chemistry: mPW1PW91/aug-cc-pVTZ

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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-4161.102794
Energy at 298.15K 
HF Energy-4161.102794
Nuclear repulsion energy211.347533
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 mPW1PW91/aug-cc-pVTZ
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 215 206 25.62 113.57 0.45 0.63

Unscaled Zero Point Vibrational Energy (zpe) 107.7 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 103.2 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 mPW1PW91/aug-cc-pVTZ
B
0.07157

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.321
As2 0.000 0.000 1.241

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5614
As22.5614

picture of Gallium arsenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.182      
2 As -0.182      


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 -1.342 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.152 0.000 0.000
y 0.000 -33.152 0.000
z 0.000 0.000 -40.651
Traceless
 xyz
x 3.750 0.000 0.000
y 0.000 3.750 0.000
z 0.000 0.000 -7.500
Polar
3z2-r2-14.999
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 10.380 0.000 0.000
y 0.000 10.380 0.000
z 0.000 0.000 17.725


<r2> (average value of r2) Å2
<r2> 127.138
(<r2>)1/2 11.276

State 2 (1Σ)

Jump to S1C1
Energy calculated at mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-4161.057571
Energy at 298.15K 
HF Energy-4161.057571
Nuclear repulsion energy211.863591
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 mPW1PW91/aug-cc-pVTZ
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 221 212 25.95 0.00 0.34 0.50

Unscaled Zero Point Vibrational Energy (zpe) 110.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 106.0 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 mPW1PW91/aug-cc-pVTZ
B
0.07192

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 -1.318
As2 0.000 0.000 1.238

Atom - Atom Distances (Å)
  Ga1 As2
Ga12.5552
As22.5552

picture of Gallium arsenide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.139      
2 As -0.139      


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 -1.038 1.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.883 0.000 0.000
y 0.000 -29.494 0.000
z 0.000 0.000 -40.447
Traceless
 xyz
x -2.912 0.000 0.000
y 0.000 9.671 0.000
z 0.000 0.000 -6.758
Polar
3z2-r2-13.517
x2-y2-8.389
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.310 0.000 0.000
y 0.000 -21.072 0.000
z 0.000 0.000 18.175


<r2> (average value of r2) Å2
<r2> 126.809
(<r2>)1/2 11.261