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

using model chemistry: B2PLYP=FULLultrafine/6-311+G(3df,2p)

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=FULLultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-312.555609
Energy at 298.15K 
HF Energy-312.337215
Nuclear repulsion energy68.679394
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=FULLultrafine/6-311+G(3df,2p)
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 1103 1103 0.30 6.29 0.26 0.41
2 A1 426 426 54.71 5.95 0.07 0.13
3 B2 356 356 5.69 3.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 942.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 942.5 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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
ABC
1.14683 0.30865 0.24320

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.197
O2 0.000 0.678 -0.823
O3 0.000 -0.678 -0.823

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.13132.1313
O22.13131.3557
O32.13131.3557

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 71.455 Na1 O3 O2 71.455
O2 Na1 O3 37.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability