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

using model chemistry: BLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-474.949640
Energy at 298.15K 
HF Energy-474.949640
Nuclear repulsion energy126.543289
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/6-31G*
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 650 645 0.00 34.23 0.45 0.62
2 Ag 345 342 0.00 115.90 0.13 0.24
3 B1u 547 543 103.00 0.00 0.00 0.00
4 B2u 258 256 78.83 0.00 0.00 0.00
5 B3g 473 469 0.00 19.59 0.75 0.86
6 B3u 5i 5i 87.28 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1133.9 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 1124.7 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 BLYP/6-31G*
ABC
0.77064 0.10008 0.08858

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.914
Na2 0.000 0.000 -1.914
O3 0.000 0.827 0.000
O4 0.000 -0.827 0.000

Atom - Atom Distances (Å)
  Na1 Na2 O3 O4
Na13.82802.08502.0850
Na23.82802.08502.0850
O32.08502.08501.6538
O42.08502.08501.6538

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 133.267 Na1 O4 Na2 133.267
O3 Na1 O4 46.733 O3 Na2 O4 46.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.511      
2 Na 0.511      
3 O -0.511      
4 O -0.511      


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 -23.565 0.000 0.000
y 0.000 -27.870 0.000
z 0.000 0.000 6.481
Traceless
 xyz
x -12.870 0.000 0.000
y 0.000 -19.328 0.000
z 0.000 0.000 32.198
Polar
3z2-r264.396
x2-y24.305
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.863 0.000 0.000
y 0.000 5.510 0.000
z 0.000 0.000 11.394


<r2> (average value of r2) Å2
<r2> 100.895
(<r2>)1/2 10.045