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

using model chemistry: B3LYPultrafine/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-1350.348575
Energy at 298.15K 
HF Energy-1350.348575
Nuclear repulsion energy200.481210
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/Def2TZVPP
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 747 747 0.00 9.84 0.48 0.65
2 Ag 255 255 0.00 14.94 0.03 0.06
3 B1u 449 449 219.53 0.00 0.00 0.00
4 B2u 182 182 95.39 0.00 0.00 0.00
5 B3g 423 423 0.00 3.30 0.75 0.86
6 B3u 55 55 83.40 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1054.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1054.9 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/Def2TZVPP
ABC
0.87532 0.04327 0.04123

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.236
K2 0.000 0.000 -2.236
O3 0.000 0.776 0.000
O4 0.000 -0.776 0.000

Atom - Atom Distances (Å)
  K1 K2 O3 O4
K14.47202.36682.3668
K24.47202.36682.3668
O32.36682.36681.5518
O42.36682.36681.5518

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 141.726 K1 O4 K2 141.726
O3 K1 O4 38.274 O3 K2 O4 38.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.683      
2 K 0.683      
3 O -0.683      
4 O -0.683      


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 -35.100 0.000 0.000
y 0.000 -40.193 0.000
z 0.000 0.000 1.338
Traceless
 xyz
x -15.673 0.000 0.000
y 0.000 -23.312 0.000
z 0.000 0.000 38.984
Polar
3z2-r277.969
x2-y25.093
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.544 0.000 0.000
y 0.000 6.450 0.000
z 0.000 0.000 9.814


<r2> (average value of r2) Å2
<r2> 215.017
(<r2>)1/2 14.663