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

using model chemistry: B2PLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-310.546298
Energy at 298.15K 
HF Energy-310.454515
Nuclear repulsion energy67.447327
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/3-21G
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 1051 1051 0.79 478.15 0.42 0.59
2 A1 452 452 29.24 16.76 0.15 0.26
3 B2 398 398 5.16 6.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 950.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 950.3 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/3-21G
ABC
0.98955 0.32322 0.24364

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.170
O2 0.000 0.730 -0.804
O3 0.000 -0.730 -0.804

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.10512.1051
O22.10511.4595
O32.10511.4595

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 69.717 Na1 O3 O2 69.717
O2 Na1 O3 40.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.584      
2 O -0.292      
3 O -0.292      


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 7.406 7.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.699 0.000 0.000
y 0.000 -18.578 0.000
z 0.000 0.000 -12.136
Traceless
 xyz
x -0.342 0.000 0.000
y 0.000 -4.661 0.000
z 0.000 0.000 5.002
Polar
3z2-r210.005
x2-y22.879
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.312 0.000 0.000
y 0.000 2.375 0.000
z 0.000 0.000 2.629


<r2> (average value of r2) Å2
<r2> 43.603
(<r2>)1/2 6.603