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

using model chemistry: B2PLYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-312.422383
Energy at 298.15K 
HF Energy-312.297566
Nuclear repulsion energy68.228257
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/cc-pVDZ
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 1097 1050 1.61 7.46 0.70 0.82
2 A1 439 420 44.50 10.28 0.14 0.24
3 B2 369 354 2.82 5.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 952.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 911.9 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/cc-pVDZ
ABC
1.13101 0.30477 0.24008

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.205
O2 0.000 0.683 -0.828
O3 0.000 -0.683 -0.828

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.14502.1450
O22.14501.3652
O32.14501.3652

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 71.444 Na1 O3 O2 71.444
O2 Na1 O3 37.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.583      
2 O -0.291      
3 O -0.291      


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 7.949 7.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.470 0.000 0.000
y 0.000 -18.537 0.000
z 0.000 0.000 -10.896
Traceless
 xyz
x -0.754 0.000 0.000
y 0.000 -5.354 0.000
z 0.000 0.000 6.107
Polar
3z2-r212.215
x2-y23.067
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.613 0.000 0.000
y 0.000 3.261 0.000
z 0.000 0.000 2.040


<r2> (average value of r2) Å2
<r2> 43.759
(<r2>)1/2 6.615