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

using model chemistry: CCSD(T)=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at CCSD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-312.200661
Energy at 298.15K 
HF Energy-311.552835
Nuclear repulsion energy72.861128
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 CCSD(T)=FULL/aug-cc-pVQZ
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 1129 1082        
2 A1 550 527        
3 B2 434 416        

Unscaled Zero Point Vibrational Energy (zpe) 1056.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 1012.1 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 CCSD(T)=FULL/aug-cc-pVQZ
ABC
1.15557 0.37678 0.28414

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.084
O2 0.000 0.675 -0.745
O3 0.000 -0.675 -0.745

Atom - Atom Distances (Å)
  Na1 O2 O3
Na11.94961.9496
O21.94961.3506
O31.94961.3506

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 69.734 Na1 O3 O2 69.734
O2 Na1 O3 40.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability