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

using model chemistry: HSEh1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-312.445277
Energy at 298.15K 
HF Energy-312.445277
Nuclear repulsion energy69.181088
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 HSEh1PBE/aug-cc-pVDZ
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 1217 1171 1.49 11.72 0.29 0.46
2 A1 430 414 54.29 11.30 0.08 0.14
3 B2 358 345 3.14 9.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1002.9 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 965.0 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 HSEh1PBE/aug-cc-pVDZ
ABC
1.18856 0.30824 0.24476

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.198
O2 0.000 0.666 -0.824
O3 0.000 -0.666 -0.824

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.12882.1288
O22.12881.3317
O32.12881.3317

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 71.773 Na1 O3 O2 71.773
O2 Na1 O3 36.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.855      
2 O -0.428      
3 O -0.428      


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 8.156 8.156
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.613 0.000 0.000
y 0.000 -18.661 0.000
z 0.000 0.000 -11.375
Traceless
 xyz
x -0.595 0.000 0.000
y 0.000 -5.167 0.000
z 0.000 0.000 5.762
Polar
3z2-r211.523
x2-y23.048
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.152 0.000 0.000
y 0.000 4.257 0.000
z 0.000 0.000 3.104


<r2> (average value of r2) Å2
<r2> 43.249
(<r2>)1/2 6.576