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

using model chemistry: CID/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 CID/daug-cc-pVDZ
 hartrees
Energy at 0K-311.876160
Energy at 298.15K 
HF Energy-311.513689
Nuclear repulsion energy67.942450
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/daug-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 A1 1290 1290 32.93      
2 A1 440 440 94.03      
3 B2 391 391 74.45      

Unscaled Zero Point Vibrational Energy (zpe) 1060.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1060.5 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 CID/daug-cc-pVDZ
ABC
1.17716 0.29141 0.23358

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.232
O2 0.000 0.669 -0.847
O3 0.000 -0.669 -0.847

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.18462.1846
O22.18461.3382
O32.18461.3382

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 72.165 Na1 O3 O2 72.165
O2 Na1 O3 35.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability