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

using model chemistry: PBE1PBE/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 PBE1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-312.457954
Energy at 298.15K 
HF Energy-312.457954
Nuclear repulsion energy69.128101
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 PBE1PBE/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 1224 1224 1.15 11.71 0.31 0.48
2 A1 425 425 52.83 10.94 0.06 0.12
3 B2 361 361 3.32 7.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1004.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1004.9 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 PBE1PBE/daug-cc-pVTZ
ABC
1.19146 0.30685 0.24401

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.201
O2 0.000 0.665 -0.826
O3 0.000 -0.665 -0.826

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.13292.1329
O22.13291.3301
O32.13291.3301

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 71.832 Na1 O3 O2 71.832
O2 Na1 O3 36.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.908      
2 O -0.454      
3 O -0.454      


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 8.101 8.101
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.446 0.000 0.000
y 0.000 -18.593 0.000
z 0.000 0.000 -11.339
Traceless
 xyz
x -0.480 0.000 0.000
y 0.000 -5.200 0.000
z 0.000 0.000 5.680
Polar
3z2-r211.361
x2-y23.146
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.323 0.000 0.000
y 0.000 4.371 0.000
z 0.000 0.000 3.163


<r2> (average value of r2) Å2
<r2> 43.296
(<r2>)1/2 6.580