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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-312.643926
Energy at 298.15K 
HF Energy-312.643926
Nuclear repulsion energy69.115352
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 B1B95/6-311G**
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 1218 1170 1.36 6.26 0.63 0.78
2 A1 425 408 44.55 9.57 0.13 0.23
3 B2 371 356 1.29 9.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1006.9 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 966.7 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 B1B95/6-311G**
ABC
1.18603 0.30771 0.24432

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.199
O2 0.000 0.667 -0.824
O3 0.000 -0.667 -0.824

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.13072.1307
O22.13071.3331
O32.13071.3331

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 71.770 Na1 O3 O2 71.770
O2 Na1 O3 36.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.698      
2 O -0.349      
3 O -0.349      


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 7.994 7.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.159 0.000 0.000
y 0.000 -18.321 0.000
z 0.000 0.000 -11.126
Traceless
 xyz
x -0.435 0.000 0.000
y 0.000 -5.178 0.000
z 0.000 0.000 5.614
Polar
3z2-r211.228
x2-y23.162
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.360 0.000 0.000
y 0.000 3.296 0.000
z 0.000 0.000 2.400


<r2> (average value of r2) Å2
<r2> 43.093
(<r2>)1/2 6.564