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

using model chemistry: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-308.523096
Energy at 298.15K 
HF Energy-308.523096
Nuclear repulsion energy72.318983
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 wB97X-D/STO-3G
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 1452 1452 0.96 8.67 0.22 0.36
2 A1 696 696 67.67 0.60 0.41 0.58
3 B2 550 550 0.02 3.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1348.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1348.5 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 wB97X-D/STO-3G
ABC
1.10206 0.38035 0.28276

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.079
O2 0.000 0.691 -0.742
O3 0.000 -0.691 -0.742

Atom - Atom Distances (Å)
  Na1 O2 O3
Na11.94721.9472
O21.94721.3830
O31.94721.3830

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 69.199 Na1 O3 O2 69.199
O2 Na1 O3 41.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.636      
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 6.610 6.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.455 0.000 0.000
y 0.000 -15.159 0.000
z 0.000 0.000 -9.866
Traceless
 xyz
x 0.058 0.000 0.000
y 0.000 -3.998 0.000
z 0.000 0.000 3.940
Polar
3z2-r27.881
x2-y22.704
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.334 0.000 0.000
y 0.000 1.356 0.000
z 0.000 0.000 1.059


<r2> (average value of r2) Å2
<r2> 37.052
(<r2>)1/2 6.087