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All results from a given calculation for O2 (Oxygen diatomic)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Δg

State 1 (3Σg)

Jump to S2C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-149.574311
Energy at 298.15K-149.574307
HF Energy-149.574311
Nuclear repulsion energy27.900079
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1648 1617 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 823.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 808.5 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 LSDA/6-31G*
B
1.43052

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.607
O2 0.000 0.000 -0.607

Atom - Atom Distances (Å)
  O1 O2
O11.2139
O21.2139

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.000      
2 O 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.832 0.000 0.000
y 0.000 -9.832 0.000
z 0.000 0.000 -10.292
Traceless
 xyz
x 0.230 0.000 0.000
y 0.000 0.230 0.000
z 0.000 0.000 -0.459
Polar
3z2-r2-0.919
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 0.633 0.000 0.000
y 0.000 0.633 0.000
z 0.000 0.000 1.766


<r2> (average value of r2) Å2
<r2> 12.131
(<r2>)1/2 3.483

State 2 (1Δg)

Jump to S1C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-149.514847
Energy at 298.15K-149.514842
HF Energy-149.514847
Nuclear repulsion energy27.861029
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1630 1600 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 815.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 799.9 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/6-31G*
B
1.42652

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.608
O2 0.000 0.000 -0.608

Atom - Atom Distances (Å)
  O1 O2
O11.2156
O21.2156

picture of Oxygen diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.000      
2 O 0.000      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.976 0.000 0.000
y 0.000 -10.765 0.000
z 0.000 0.000 -10.327
Traceless
 xyz
x 1.570 0.000 0.000
y 0.000 -1.114 0.000
z 0.000 0.000 -0.456
Polar
3z2-r2-0.913
x2-y21.789
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.633 0.000 0.000
y 0.000 0.633 0.000
z 0.000 0.000 1.766


<r2> (average value of r2) Å2
<r2> 12.170
(<r2>)1/2 3.489