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

using model chemistry: ROHF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at ROHF/6-31+G**
 hartrees
Energy at 0K-311.470674
Energy at 298.15K 
HF Energy-311.470674
Nuclear repulsion energy69.937444
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 ROHF/6-31+G**
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 1443 1235 0.25      
2 A1 432 370 63.27      
3 B2 297 254 42.78      

Unscaled Zero Point Vibrational Energy (zpe) 1085.7 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 929.3 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 ROHF/6-31+G**
ABC
1.26081 0.30626 0.24640

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.202
O2 0.000 0.646 -0.826
O3 0.000 -0.646 -0.826

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.12912.1291
O22.12911.2930
O32.12911.2930

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 72.323 Na1 O3 O2 72.323
O2 Na1 O3 35.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.820      
2 O -0.410      
3 O -0.410      


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 8.640 8.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D ÅAn error occurred on the server when processing the URL. Please contact the system administrator.

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