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

using model chemistry: HSEh1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-312.470421
Energy at 298.15K 
HF Energy-312.470421
Nuclear repulsion energy68.786313
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 HSEh1PBE/TZVP
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 1205 1156 3.72 21.51 0.39 0.56
2 A1 415 398 46.62 15.55 0.14 0.24
3 B2 349 335 1.60 18.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 984.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 944.9 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 HSEh1PBE/TZVP
ABC
1.18243 0.30329 0.24138

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.208
O2 0.000 0.668 -0.830
O3 0.000 -0.668 -0.830

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.14502.1450
O22.14501.3352
O32.14501.3352

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 71.866 Na1 O3 O2 71.866
O2 Na1 O3 36.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.859      
2 O -0.430      
3 O -0.430      


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 8.518 8.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.373 0.000 0.000
y 0.000 -18.722 0.000
z 0.000 0.000 -11.709
Traceless
 xyz
x -0.157 0.000 0.000
y 0.000 -5.182 0.000
z 0.000 0.000 5.339
Polar
3z2-r210.678
x2-y23.350
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.246 0.000 0.000
y 0.000 3.672 0.000
z 0.000 0.000 2.574


<r2> (average value of r2) Å2
<r2> 43.752
(<r2>)1/2 6.615