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

using model chemistry: CCSD=FULL/cc-pVDZ

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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-149.979559
Energy at 298.15K-149.979555
HF Energy-149.627971
Nuclear repulsion energy28.075898
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=FULL/cc-pVDZ
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 1662 1662 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 830.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 830.7 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=FULL/cc-pVDZ
B
1.44860

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.603
O2 0.000 0.000 -0.603

Atom - Atom Distances (Å)
  O1 O2
O11.2063
O21.2063

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

State 2 (1Δg)

Jump to S1C1
Energy calculated at CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-149.926330
Energy at 298.15K-149.926324
HF Energy-149.541084
Nuclear repulsion energy27.830704
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=FULL/cc-pVDZ
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 1574 1574 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 786.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 786.9 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 CCSD=FULL/cc-pVDZ
B
1.42341

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

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
O11.2169
O21.2169

picture of Oxygen diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability