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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-150.026252
Energy at 298.15K 
HF Energy-150.026252
Nuclear repulsion energy29.624802
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/LANL2DZ
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 834 750 0.00 109.94 0.31 0.48
2 Ag 369 332 0.00 4.35 0.61 0.75
3 B1u 589 530 159.12 0.00 0.71 0.83
4 B2u 253 228 104.20 0.00 0.45 0.62
5 B3g 528 475 0.00 6.75 0.75 0.86
6 B3u 90 81 163.98 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1330.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 1197.7 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/LANL2DZ
ABC
0.84379 0.09678 0.08683

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.946
Na2 0.000 0.000 -1.946
O3 0.000 0.790 0.000
O4 0.000 -0.790 0.000

Atom - Atom Distances (Å)
  Na1 Na2 O3 O4
Na13.89262.10062.1006
Na23.89262.10062.1006
O32.10062.10061.5805
O42.10062.10061.5805

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 135.802 Na1 O4 Na2 135.802
O3 Na1 O4 44.198 O3 Na2 O4 44.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.802      
2 Na 0.802      
3 O -0.802      
4 O -0.802      


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 -16.065 0.000 0.000
y 0.000 -22.214 0.000
z 0.000 0.000 19.362
Traceless
 xyz
x -14.639 0.000 0.000
y 0.000 -23.862 0.000
z 0.000 0.000 38.501
Polar
3z2-r277.002
x2-y26.149
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.699 0.000 0.000
y 0.000 5.037 0.000
z 0.000 0.000 3.002


<r2> (average value of r2) Å2
<r2> 21.507
(<r2>)1/2 4.638