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

using model chemistry: PBEPBE/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 PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-312.459580
Energy at 298.15K 
HF Energy-312.459580
Nuclear repulsion energy68.037738
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 PBEPBE/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 1092 1092 3.45 365.25 0.16 0.27
2 A1 409 409 44.65 73.77 0.10 0.18
3 B2 345 345 2.11 90.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 923.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 923.3 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 PBEPBE/daug-cc-pVTZ
ABC
1.13284 0.30144 0.23809

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.212
O2 0.000 0.682 -0.833
O3 0.000 -0.682 -0.833

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.15542.1554
O22.15541.3641
O32.15541.3641

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 71.553 Na1 O3 O2 71.553
O2 Na1 O3 36.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.851      
2 O -0.426      
3 O -0.426      


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 7.932 7.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.780 0.000 0.000
y 0.000 -19.051 0.000
z 0.000 0.000 -11.637
Traceless
 xyz
x -0.436 0.000 0.000
y 0.000 -5.343 0.000
z 0.000 0.000 5.779
Polar
3z2-r211.558
x2-y23.271
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.695 0.000 0.000
y 0.000 5.541 0.000
z 0.000 0.000 4.257


<r2> (average value of r2) Å2
<r2> 44.369
(<r2>)1/2 6.661