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

using model chemistry: TPSSh/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 TPSSh/Def2TZVPP
 hartrees
Energy at 0K-312.724095
Energy at 298.15K 
HF Energy-312.724095
Nuclear repulsion energy68.746777
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 TPSSh/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 1144 1144 1.75 7.94 0.35 0.52
2 A1 418 418 49.54 12.40 0.10 0.18
3 B2 357 357 2.37 13.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 959.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 959.2 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 TPSSh/Def2TZVPP
ABC
1.15015 0.30905 0.24359

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.197
O2 0.000 0.677 -0.823
O3 0.000 -0.677 -0.823

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.12982.1298
O22.12981.3538
O32.12981.3538

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 71.469 Na1 O3 O2 71.469
O2 Na1 O3 37.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.764      
2 O -0.382      
3 O -0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 7.963 7.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.855 0.000 0.000
y 0.000 3.966 0.000
z 0.000 0.000 2.855


<r2> (average value of r2) Å2
<r2> 43.342
(<r2>)1/2 6.583