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

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

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-pVDZ
 hartrees
Energy at 0K-150.022497
Energy at 298.15K-150.022491
HF Energy-149.639684
Nuclear repulsion energy27.705106
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-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 1552 1552        

Unscaled Zero Point Vibrational Energy (zpe) 776.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 776.0 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-pVDZ
B
1.41123

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.611
O2 0.000 0.000 -0.611

Atom - Atom Distances (Å)
  O1 O2
O11.2221
O21.2221

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