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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-312.645009
Energy at 298.15K 
HF Energy-312.645009
Nuclear repulsion energy67.424185
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 BLYP/6-31+G**
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 1038 1032 2.86 144.78 0.20 0.33
2 A1 401 399 43.62 47.40 0.11 0.20
3 B2 322 320 0.65 111.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 880.1 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 875.5 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 BLYP/6-31+G**
ABC
1.09046 0.30049 0.23558

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.214
O2 0.000 0.695 -0.834
O3 0.000 -0.695 -0.834

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.16272.1627
O22.16271.3903
O32.16271.3903

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 71.250 Na1 O3 O2 71.250
O2 Na1 O3 37.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.759      
2 O -0.379      
3 O -0.379      


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 8.123 8.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.929 0.000 0.000
y 0.000 -19.181 0.000
z 0.000 0.000 -12.030
Traceless
 xyz
x -0.323 0.000 0.000
y 0.000 -5.202 0.000
z 0.000 0.000 5.526
Polar
3z2-r211.051
x2-y23.252
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.011 0.000 0.000
y 0.000 4.752 0.000
z 0.000 0.000 3.910


<r2> (average value of r2) Å2
<r2> 44.884
(<r2>)1/2 6.700