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

using model chemistry: wB97X-D/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-150.515138
Energy at 298.15K 
HF Energy-150.515138
Nuclear repulsion energy28.133238
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/LANL2DZ
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 1138 1138 0.67 16.27 0.47 0.64
2 A1 411 411 49.10 5.64 0.30 0.46
3 B2 336 336 0.49 6.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 942.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 942.8 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/LANL2DZ
ABC
1.08336 0.29029 0.22894

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.235
O2 0.000 0.697 -0.849
O3 0.000 -0.697 -0.849

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.19722.1972
O22.19721.3949
O32.19721.3949

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 71.493 Na1 O3 O2 71.493
O2 Na1 O3 37.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.779      
2 O -0.390      
3 O -0.390      


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 8.896 8.896
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.451 0.000 0.000
y 0.000 -16.006 0.000
z 0.000 0.000 -8.641
Traceless
 xyz
x -0.128 0.000 0.000
y 0.000 -5.460 0.000
z 0.000 0.000 5.588
Polar
3z2-r211.176
x2-y23.555
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.119 0.000 0.000
y 0.000 3.449 0.000
z 0.000 0.000 2.071


<r2> (average value of r2) Å2
<r2> 28.560
(<r2>)1/2 5.344