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

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-311.673610
Energy at 298.15K 
HF Energy-311.419828
Nuclear repulsion energy66.367175
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 CCD/6-31G
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 1007 967 0.88      
2 A1 433 415 53.56      
3 B2 456 437 216.25      

Unscaled Zero Point Vibrational Energy (zpe) 947.7 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 909.3 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 CCD/6-31G
ABC
1.02035 0.29878 0.23111

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.217
O2 0.000 0.719 -0.837
O3 0.000 -0.719 -0.837

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.17592.1759
O22.17591.4373
O32.17591.4373

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 70.714 Na1 O3 O2 70.714
O2 Na1 O3 38.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability