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

using model chemistry: ROHF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
Energy calculated at ROHF/6-31G**
 hartrees
Energy at 0K-149.598260
Energy at 298.15K-149.598260
HF Energy-149.598260
Nuclear repulsion energy29.123346
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/6-31G**
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 2021 1727 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1010.4 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 863.5 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/6-31G**
B
1.55871

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.581
O2 0.000 0.000 -0.581

Atom - Atom Distances (Å)
  O1 O2
O11.1629
O21.1629

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/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 -9.838 0.000 0.000
y 0.000 -9.838 0.000
z 0.000 0.000 -10.406
Traceless
 xyz
x 0.284 0.000 0.000
y 0.000 0.284 0.000
z 0.000 0.000 -0.569
Polar
3z2-r2-1.138
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> 11.673
(<r2>)1/2 3.417