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

using model chemistry: HSEh1PBE/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 HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-1349.868943
Energy at 298.15K 
HF Energy-1349.868943
Nuclear repulsion energy202.321212
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 HSEh1PBE/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 796 796 0.00 14.39 0.36 0.53
2 Ag 261 261 0.00 12.88 0.03 0.05
3 B1u 459 459 226.00 0.00 0.00 0.00
4 B2u 185 185 97.46 0.00 0.00 0.00
5 B3g 437 437 0.00 3.63 0.75 0.86
6 B3u 54 54 84.06 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1095.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1095.9 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 HSEh1PBE/Def2TZVPP
ABC
0.91132 0.04385 0.04184

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.221
K2 0.000 0.000 -2.221
O3 0.000 0.760 0.000
O4 0.000 -0.760 0.000

Atom - Atom Distances (Å)
  K1 K2 O3 O4
K14.44222.34762.3476
K24.44222.34762.3476
O32.34762.34761.5209
O42.34762.34761.5209

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 142.201 K1 O4 K2 142.201
O3 K1 O4 37.799 O3 K2 O4 37.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.694      
2 K 0.694      
3 O -0.694      
4 O -0.694      


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 -34.793 0.000 0.000
y 0.000 -39.798 0.000
z 0.000 0.000 1.228
Traceless
 xyz
x -15.508 0.000 0.000
y 0.000 -23.015 0.000
z 0.000 0.000 38.524
Polar
3z2-r277.048
x2-y25.005
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.264 0.000 0.000
y 0.000 6.127 0.000
z 0.000 0.000 9.171


<r2> (average value of r2) Å2
<r2> 211.987
(<r2>)1/2 14.560