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

using model chemistry: B2PLYP/CEP-121G

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 B2PLYP/CEP-121G
 hartrees
Energy at 0K-31.660221
Energy at 298.15K-31.660205
HF Energy-31.571093
Nuclear repulsion energy14.687573
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 B2PLYP/CEP-121G
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 1312 1312 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 655.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 655.8 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 B2PLYP/CEP-121G
B
1.25296

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/CEP-121G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.649
O2 0.000 0.000 -0.649

Atom - Atom Distances (Å)
  O1 O2
O11.2970
O21.2970

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/CEP-121G 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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.504 0.000 0.000
y 0.000 0.504 0.000
z 0.000 0.000 2.174


<r2> (average value of r2) Å2
<r2> 11.535
(<r2>)1/2 3.396