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All results from a given calculation for NaO2 (Sodium superoxide)

using model chemistry: MP4/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at MP4/daug-cc-pVDZ
 hartrees
Energy at 0K-311.931798
Energy at 298.15K 
HF Energy-311.506712
Nuclear repulsion energy66.617128
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 MP4/daug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4/daug-cc-pVDZ
ABC
1.08662 0.28907 0.22833

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.237
O2 0.000 0.696 -0.851
O3 0.000 -0.696 -0.851

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.20112.2011
O22.20111.3928
O32.20111.3928

picture of Sodium superoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na1 O2 O3 71.555 Na1 O3 O2 71.555
O2 Na1 O3 36.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability