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

using model chemistry: wB97X-D/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at wB97X-D/aug-cc-pVQZ
 hartrees
Energy at 0K-312.670440
Energy at 298.15K 
HF Energy-312.670440
Nuclear repulsion energy68.885358
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 wB97X-D/aug-cc-pVQZ
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 1252 1252 0.70 6.69 0.72 0.84
2 A1 403 403 54.48 6.60 0.05 0.10
3 B2 338 338 4.30 2.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 995.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 995.9 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 wB97X-D/aug-cc-pVQZ
ABC
1.19686 0.30205 0.24118

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.210
O2 0.000 0.664 -0.832
O3 0.000 -0.664 -0.832

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.14772.1477
O22.14771.3271
O32.14771.3271

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 72.004 Na1 O3 O2 72.004
O2 Na1 O3 35.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.637      
2 O -0.318      
3 O -0.318      


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 8.265 8.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.376 0.000 0.000
y 0.000 -18.497 0.000
z 0.000 0.000 -11.171
Traceless
 xyz
x -0.541 0.000 0.000
y 0.000 -5.224 0.000
z 0.000 0.000 5.765
Polar
3z2-r211.531
x2-y23.122
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.333 0.000 0.000
y 0.000 4.212 0.000
z 0.000 0.000 2.995


<r2> (average value of r2) Å2
<r2> 43.620
(<r2>)1/2 6.605