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

using model chemistry: TPSSh/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 TPSSh/6-311G**
 hartrees
Energy at 0K-1350.321161
Energy at 298.15K 
HF Energy-1350.321161
Nuclear repulsion energy204.621154
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 TPSSh/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 738 738 0.00 54.97 0.01 0.02
2 Ag 278 278 0.00 13.47 0.10 0.18
3 B1u 483 483 234.47 0.00 0.00 0.00
4 B2u 194 194 87.50 0.00 0.00 0.00
5 B3g 436 436 0.00 8.07 0.75 0.86
6 B3u 42 42 78.26 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1085.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1085.1 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 TPSSh/6-311G**
ABC
0.85225 0.04576 0.04343

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.174
K2 0.000 0.000 -2.174
O3 0.000 0.786 0.000
O4 0.000 -0.786 0.000

Atom - Atom Distances (Å)
  K1 K2 O3 O4
K14.34852.31212.3121
K24.34852.31212.3121
O32.31212.31211.5727
O42.31212.31211.5727

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 140.234 K1 O4 K2 140.234
O3 K1 O4 39.766 O3 K2 O4 39.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.652      
2 K 0.652      
3 O -0.652      
4 O -0.652      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.975 0.000 0.000
y 0.000 5.062 0.000
z 0.000 0.000 9.961


<r2> (average value of r2) Å2
<r2> 205.038
(<r2>)1/2 14.319