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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-311.852125
Energy at 298.15K 
HF Energy-311.466445
Nuclear repulsion energy67.167019
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 MP4/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP4/6-31G*
ABC
1.08559 0.29770 0.23363

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.219
O2 0.000 0.697 -0.838
O3 0.000 -0.697 -0.838

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.17222.1722
O22.17221.3934
O32.17221.3934

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 71.292 Na1 O3 O2 71.292
O2 Na1 O3 37.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability