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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-472.114300
Energy at 298.15K 
HF Energy-472.114300
Nuclear repulsion energy127.070712
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 BLYP/3-21G
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 695 692 0.00 134.38 0.45 0.62
2 Ag 343 341 0.00 151.88 0.11 0.19
3 B1u 548 545 51.61 0.00 0.00 0.00
4 B2u 258 257 65.07 0.00 0.00 0.00
5 B3g 473 470 0.00 0.82 0.75 0.86
6 B3u 44i 44i 75.12 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1136.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1130.0 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 BLYP/3-21G
ABC
0.73362 0.10314 0.09043

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.885
Na2 0.000 0.000 -1.885
O3 0.000 0.848 0.000
O4 0.000 -0.848 0.000

Atom - Atom Distances (Å)
  Na1 Na2 O3 O4
Na13.77082.06712.0671
Na23.77082.06712.0671
O32.06712.06711.6951
O42.06712.06711.6951

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 131.590 Na1 O4 Na2 131.590
O3 Na1 O4 48.410 O3 Na2 O4 48.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.435      
2 Na 0.435      
3 O -0.435      
4 O -0.435      


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 -24.870 0.000 0.000
y 0.000 -28.427 0.000
z 0.000 0.000 2.417
Traceless
 xyz
x -11.865 0.000 0.000
y 0.000 -17.200 0.000
z 0.000 0.000 29.065
Polar
3z2-r258.130
x2-y23.557
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 100.290
(<r2>)1/2 10.015