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All results from a given calculation for K2O2 (dipotassium dioxide)

using model chemistry: B3LYPultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-1350.322703
Energy at 298.15K 
HF Energy-1350.322703
Nuclear repulsion energy203.671718
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 B3LYPultrafine/6-311G*
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 738 714 0.00 51.09 0.01 0.01
2 Ag 274 265 0.00 14.46 0.10 0.18
3 B1u 478 462 231.02 0.00 0.00 0.00
4 B2u 189 183 87.81 0.00 0.00 0.00
5 B3g 424 410 0.00 6.71 0.75 0.86
6 B3u 43 42 79.06 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1073.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1037.0 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 B3LYPultrafine/6-311G*
ABC
0.85705 0.04518 0.04292

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.188
K2 0.000 0.000 -2.188
O3 0.000 0.784 0.000
O4 0.000 -0.784 0.000

Atom - Atom Distances (Å)
  K1 K2 O3 O4
K14.37612.32432.3243
K24.37612.32432.3243
O32.32432.32431.5683
O42.32432.32431.5683

picture of dipotassium dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
K1 O3 K2 140.568 K1 O4 K2 140.568
O3 K1 O4 39.432 O3 K2 O4 39.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.649      
2 K 0.649      
3 O -0.649      
4 O -0.649      


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 -33.974 0.000 0.000
y 0.000 -38.500 0.000
z 0.000 0.000 -1.965
Traceless
 xyz
x -13.741 0.000 0.000
y 0.000 -20.531 0.000
z 0.000 0.000 34.272
Polar
3z2-r268.543
x2-y24.526
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.989 0.000 0.000
y 0.000 5.119 0.000
z 0.000 0.000 9.806


<r2> (average value of r2) Å2
<r2> 207.266
(<r2>)1/2 14.397