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

using model chemistry: M06-2X/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 M06-2X/STO-3G
 hartrees
Energy at 0K-308.565564
Energy at 298.15K 
HF Energy-308.565564
Nuclear repulsion energy72.970662
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 M06-2X/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 1492 1492 0.89 10.13 0.23 0.37
2 A1 727 727 68.60 0.52 0.41 0.59
3 B2 580 580 0.01 3.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1399.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1399.9 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 M06-2X/STO-3G
ABC
1.12775 0.38579 0.28746

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.071
O2 0.000 0.684 -0.736
O3 0.000 -0.684 -0.736

Atom - Atom Distances (Å)
  Na1 O2 O3
Na11.93231.9323
O21.93231.3672
O31.93231.3672

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 69.283 Na1 O3 O2 69.283
O2 Na1 O3 41.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.643      
2 O -0.321      
3 O -0.321      


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 6.584 6.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.448 0.000 0.000
y 0.000 -15.211 0.000
z 0.000 0.000 -9.943
Traceless
 xyz
x 0.129 0.000 0.000
y 0.000 -4.016 0.000
z 0.000 0.000 3.886
Polar
3z2-r27.773
x2-y22.763
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.328 0.000 0.000
y 0.000 1.331 0.000
z 0.000 0.000 1.012


<r2> (average value of r2) Å2
<r2> 36.598
(<r2>)1/2 6.050