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

using model chemistry: CCSD(T)/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(T)/cc-pVDZ
 hartrees
Energy at 0K-149.985830
Energy at 298.15K-149.985825
HF Energy-149.626075
Nuclear repulsion energy27.842696
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(T)/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 1586 1552        

Unscaled Zero Point Vibrational Energy (zpe) 792.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 776.1 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(T)/cc-pVDZ
B
1.42527

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/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
O11.2161
O21.2161

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(T)/cc-pVDZ
 hartrees
Energy at 0K-149.937181
Energy at 298.15K-149.937173
HF Energy-149.537838
Nuclear repulsion energy27.509975
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(T)/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 1464 1433        

Unscaled Zero Point Vibrational Energy (zpe) 732.1 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 716.6 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(T)/cc-pVDZ
B
1.39016

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.616
O2 0.000 0.000 -0.616

Atom - Atom Distances (Å)
  O1 O2
O11.2314
O21.2314

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