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

using model chemistry: wB97X-D/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 wB97X-D/6-311G*
 hartrees
Energy at 0K-1350.242862
Energy at 298.15K 
HF Energy-1350.242862
Nuclear repulsion energy204.457831
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 wB97X-D/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 804 804 0.00 24.06 0.10 0.18
2 Ag 268 268 0.00 7.94 0.10 0.18
3 B1u 465 465 238.17 0.00 0.00 0.00
4 B2u 188 188 92.62 0.00 0.00 0.00
5 B3g 430 430 0.00 5.06 0.75 0.86
6 B3u 49 49 85.23 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1102.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1102.2 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 wB97X-D/6-311G*
ABC
0.89936 0.04512 0.04297

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.190
K2 0.000 0.000 -2.190
O3 0.000 0.765 0.000
O4 0.000 -0.765 0.000

Atom - Atom Distances (Å)
  K1 K2 O3 O4
K14.37912.31952.3195
K24.37912.31952.3195
O32.31952.31951.5309
O42.31952.31951.5309

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 141.461 K1 O4 K2 141.461
O3 K1 O4 38.539 O3 K2 O4 38.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.678      
2 K 0.678      
3 O -0.678      
4 O -0.678      


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 -33.486 0.000 0.000
y 0.000 -38.176 0.000
z 0.000 0.000 -0.342
Traceless
 xyz
x -14.228 0.000 0.000
y 0.000 -21.262 0.000
z 0.000 0.000 35.489
Polar
3z2-r270.979
x2-y24.689
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.549 0.000 0.000
y 0.000 4.759 0.000
z 0.000 0.000 8.002


<r2> (average value of r2) Å2
<r2> 206.540
(<r2>)1/2 14.372