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All results from a given calculation for Na2O2 (disodium dioxide)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-473.403315
Energy at 298.15K 
HF Energy-473.403315
Nuclear repulsion energy129.788342
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 HF/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 913 830 0.00 57.77 0.46 0.63
2 Ag 378 343 0.00 3.91 0.09 0.17
3 B1u 581 528 176.13 0.00 0.15 0.27
4 B2u 252 229 116.59 0.00 0.72 0.84
5 B3g 516 469 0.00 4.21 0.75 0.86
6 B3u 73 66 133.02 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1356.4 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 1232.4 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 HF/6-311+G(3df,2p)
ABC
0.94776 0.09939 0.08996

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.921
Na2 0.000 0.000 -1.921
O3 0.000 0.746 0.000
O4 0.000 -0.746 0.000

Atom - Atom Distances (Å)
  Na1 Na2 O3 O4
Na13.84122.06032.0603
Na23.84122.06032.0603
O32.06032.06031.4913
O42.06032.06031.4913

picture of disodium dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na1 O3 Na2 137.563 Na1 O4 Na2 137.563
O3 Na1 O4 42.437 O3 Na2 O4 42.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.895      
2 Na 0.895      
3 O -0.895      
4 O -0.895      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.931 0.000 0.000
y 0.000 -27.308 0.000
z 0.000 0.000 11.540
Traceless
 xyz
x -14.047 0.000 0.000
y 0.000 -22.112 0.000
z 0.000 0.000 36.159
Polar
3z2-r272.319
x2-y25.377
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.283 0.000 0.000
y 0.000 5.042 0.000
z 0.000 0.000 3.799


<r2> (average value of r2) Å2
<r2> 97.898
(<r2>)1/2 9.894