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

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-312.451622
Energy at 298.15K 
HF Energy-312.318277
Nuclear repulsion energy68.159961
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 B2PLYP/6-311G**
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 1103 1103 2.58 7.92 0.74 0.85
2 A1 441 441 51.39 11.90 0.17 0.29
3 B2 360 360 2.44 6.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 952.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 952.0 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 B2PLYP/6-311G**
ABC
1.13274 0.30336 0.23928

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.208
O2 0.000 0.682 -0.830
O3 0.000 -0.682 -0.830

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.14932.1493
O22.14931.3641
O32.14931.3641

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 71.498 Na1 O3 O2 71.498
O2 Na1 O3 37.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.686      
2 O -0.343      
3 O -0.343      


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 7.970 7.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.293 0.000 0.000
y 0.000 -18.364 0.000
z 0.000 0.000 -11.250
Traceless
 xyz
x -0.486 0.000 0.000
y 0.000 -5.093 0.000
z 0.000 0.000 5.578
Polar
3z2-r211.157
x2-y23.071
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.372 0.000 0.000
y 0.000 3.022 0.000
z 0.000 0.000 2.270


<r2> (average value of r2) Å2
<r2> 43.874
(<r2>)1/2 6.624