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

using model chemistry: B2PLYP=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-312.516691
Energy at 298.15K 
HF Energy-312.347574
Nuclear repulsion energy68.266922
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 B2PLYP=FULL/cc-pVTZ
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 1094 1045 0.38 9.99 0.25 0.40
2 A1 422 403 45.75 4.78 0.09 0.17
3 B2 361 345 3.84 3.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 938.1 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 896.7 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 B2PLYP=FULL/cc-pVTZ
ABC
1.13737 0.30410 0.23995

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.206
O2 0.000 0.681 -0.829
O3 0.000 -0.681 -0.829

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.14652.1465
O22.14651.3614
O32.14651.3614

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 71.512 Na1 O3 O2 71.512
O2 Na1 O3 36.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability