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

using model chemistry: CCD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-312.011147
Energy at 298.15K 
HF Energy-311.549603
Nuclear repulsion energy67.951490
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/Def2TZVPP
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 1288 1288 46.11      
2 A1 442 442 98.57      
3 B2 430 430 189.17      

Unscaled Zero Point Vibrational Energy (zpe) 1079.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1079.7 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/Def2TZVPP
ABC
1.17214 0.29249 0.23408

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.230
O2 0.000 0.671 -0.846
O3 0.000 -0.671 -0.846

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.18132.1813
O22.18131.3410
O32.18131.3410

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 72.098 Na1 O3 O2 72.098
O2 Na1 O3 35.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability