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

using model chemistry: TPSSh/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-312.658264
Energy at 298.15K 
HF Energy-312.658264
Nuclear repulsion energy68.965711
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/6-31G(2df,p)
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 1157 1116 0.80 9.61 0.23 0.37
2 A1 440 424 43.51 12.72 0.09 0.16
3 B2 378 365 2.56 12.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 987.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 952.4 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/6-31G(2df,p)
ABC
1.15002 0.31253 0.24574

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.190
O2 0.000 0.677 -0.818
O3 0.000 -0.677 -0.818

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.11912.1191
O22.11911.3538
O32.11911.3538

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 71.371 Na1 O3 O2 71.371
O2 Na1 O3 37.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.635      
2 O -0.318      
3 O -0.318      


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 7.509 7.509
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 2.087 0.000 0.000
y 0.000 3.957 0.000
z 0.000 0.000 2.743


<r2> (average value of r2) Å2
<r2> 42.817
(<r2>)1/2 6.544