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

using model chemistry: mPW1PW91/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at mPW1PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-312.667339
Energy at 298.15K 
HF Energy-312.667339
Nuclear repulsion energy69.065290
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 mPW1PW91/daug-cc-pVTZ
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 1219 1219 0.97 9.37 0.40 0.57
2 A1 422 422 53.61 10.11 0.06 0.12
3 B2 358 358 3.26 7.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 999.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 999.6 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 mPW1PW91/daug-cc-pVTZ
ABC
1.18936 0.30628 0.24356

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.202
O2 0.000 0.666 -0.826
O3 0.000 -0.666 -0.826

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.13492.1349
O22.13491.3313
O32.13491.3313

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 71.833 Na1 O3 O2 71.833
O2 Na1 O3 36.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.928      
2 O -0.464      
3 O -0.464      


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 8.129 8.129
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.410 0.000 0.000
y 0.000 -18.545 0.000
z 0.000 0.000 -11.298
Traceless
 xyz
x -0.488 0.000 0.000
y 0.000 -5.191 0.000
z 0.000 0.000 5.680
Polar
3z2-r211.359
x2-y23.135
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.304 0.000 0.000
y 0.000 4.328 0.000
z 0.000 0.000 3.105


<r2> (average value of r2) Å2
<r2> 43.332
(<r2>)1/2 6.583