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

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-310.726105
Energy at 298.15K 
HF Energy-310.726105
Nuclear repulsion energy67.234777
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 B97D3/3-21G*
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 1068 1068 1.69 75.17 0.56 0.72
2 A1 415 415 27.59 70.95 0.13 0.23
3 B2 359 359 0.27 78.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 921.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 921.0 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 B97D3/3-21G*
ABC
1.00169 0.31686 0.24072

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.182
O2 0.000 0.725 -0.812
O3 0.000 -0.725 -0.812

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.12212.1221
O22.12211.4506
O32.12211.4506

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 70.014 Na1 O3 O2 70.014
O2 Na1 O3 39.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.497      
2 O -0.249      
3 O -0.249      


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 7.152 7.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.738 0.000 0.000
y 0.000 -18.670 0.000
z 0.000 0.000 -11.574
Traceless
 xyz
x -0.616 0.000 0.000
y 0.000 -5.015 0.000
z 0.000 0.000 5.630
Polar
3z2-r211.260
x2-y22.933
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.668 0.000 0.000
y 0.000 4.019 0.000
z 0.000 0.000 3.065


<r2> (average value of r2) Å2
<r2> 43.916
(<r2>)1/2 6.627