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

using model chemistry: QCISD(TQ)/aug-cc-pVTZ

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 QCISD(TQ)/aug-cc-pVTZ
 hartrees
Energy at 0K-150.141260
Energy at 298.15K-150.141254
HF Energy-149.677023
Nuclear repulsion energy27.895720
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 QCISD(TQ)/aug-cc-pVTZ
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 1569 1569        

Unscaled Zero Point Vibrational Energy (zpe) 784.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 784.5 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 QCISD(TQ)/aug-cc-pVTZ
B
1.43068

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/aug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.607
O2 0.000 0.000 -0.607

Atom - Atom Distances (Å)
  O1 O2
O11.2138
O21.2138

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