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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-312.721123
Energy at 298.15K 
HF Energy-312.721123
Nuclear repulsion energy68.350413
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 TPSSh/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 1138 1102 1.99 20.15 0.18 0.30
2 A1 416 403 43.12 14.37 0.08 0.15
3 B2 356 345 1.82 16.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 955.0 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 924.8 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 TPSSh/cc-pVTZ
ABC
1.14546 0.30378 0.24011

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.207
O2 0.000 0.678 -0.830
O3 0.000 -0.678 -0.830

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.14672.1467
O22.14671.3565
O32.14671.3565

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 71.582 Na1 O3 O2 71.582
O2 Na1 O3 36.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.583      
2 O -0.292      
3 O -0.292      


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 7.974 7.974
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.027 0.000 0.000
y 0.000 4.181 0.000
z 0.000 0.000 2.949


<r2> (average value of r2) Å2
<r2> 43.761
(<r2>)1/2 6.615