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

using model chemistry: CID/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 CID/CEP-121G
 hartrees
Energy at 0K-31.438788
Energy at 298.15K-31.438782
HF Energy-31.226654
Nuclear repulsion energy15.025023
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 CID/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 1522 1407 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 761.1 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 703.3 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 CID/CEP-121G
B
1.31120

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.634
O2 0.000 0.000 -0.634

Atom - Atom Distances (Å)
  O1 O2
O11.2679
O21.2679

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