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

using model chemistry: CCSD/CEP-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 CCSD/CEP-31G*
 hartrees
Energy at 0K-31.615318
Energy at 298.15K-31.615313
HF Energy-31.285151
Nuclear repulsion energy15.380391
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 CCSD/CEP-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 1641 1547 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 820.3 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 773.6 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 CCSD/CEP-31G*
B
1.37395

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.619
O2 0.000 0.000 -0.619

Atom - Atom Distances (Å)
  O1 O2
O11.2386
O21.2386

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability