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

using model chemistry: CCD/TZVP

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 CCD/TZVP
 hartrees
Energy at 0K-150.036964
Energy at 298.15K-150.036961
HF Energy-149.673482
Nuclear repulsion energy28.194645
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 CCD/TZVP
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 1677 1590 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 838.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 795.1 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 CCD/TZVP
B
1.46088

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.601
O2 0.000 0.000 -0.601

Atom - Atom Distances (Å)
  O1 O2
O11.2012
O21.2012

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 CCD/TZVP
 hartrees
Energy at 0K-149.984725
Energy at 298.15K-149.984720
HF Energy-149.586246
Nuclear repulsion energy27.987327
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 CCD/TZVP
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 1604 1521 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 802.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 760.3 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 CCD/TZVP
B
1.43948

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.605
O2 0.000 0.000 -0.605

Atom - Atom Distances (Å)
  O1 O2
O11.2101
O21.2101

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