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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-312.556796
Energy at 298.15K 
HF Energy-312.556796
Nuclear repulsion energy67.726937
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 B1B95/6-31G
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 1071 1021 0.05 7.99 0.38 0.55
2 A1 409 390 38.45 10.20 0.16 0.27
3 B2 345 329 0.43 10.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 912.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 870.6 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 B1B95/6-31G
ABC
1.07276 0.30896 0.23988

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.197
O2 0.000 0.701 -0.823
O3 0.000 -0.701 -0.823

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.13782.1378
O22.13781.4018
O32.13781.4018

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 70.862 Na1 O3 O2 70.862
O2 Na1 O3 38.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.747      
2 O -0.373      
3 O -0.373      


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 8.298 8.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.239 0.000 0.000
y 0.000 -18.567 0.000
z 0.000 0.000 -11.701
Traceless
 xyz
x -0.105 0.000 0.000
y 0.000 -5.097 0.000
z 0.000 0.000 5.202
Polar
3z2-r210.404
x2-y23.328
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.106 0.000 0.000
y 0.000 3.266 0.000
z 0.000 0.000 2.229


<r2> (average value of r2) Å2
<r2> 43.922
(<r2>)1/2 6.627