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

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-1343.482250
Energy at 298.15K 
HF Energy-1343.482250
Nuclear repulsion energy196.506760
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 B97D3/3-21G*
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 723 723 0.00 670.47 0.31 0.47
2 Ag 238 238 0.00 796.67 0.07 0.12
3 B1u 413 413 99.82 0.00 0.07 0.14
4 B2u 185 185 80.95 0.00 0.00 0.00
5 B3g 412 412 0.00 30.84 0.75 0.86
6 B3u 63 63 79.17 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1017.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1017.0 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 B97D3/3-21G*
ABC
0.77147 0.04238 0.04017

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.259
K2 0.000 0.000 -2.259
O3 0.000 0.826 0.000
O4 0.000 -0.826 0.000

Atom - Atom Distances (Å)
  K1 K2 O3 O4
K14.51862.40572.4057
K24.51862.40572.4057
O32.40572.40571.6530
O42.40572.40571.6530

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 139.813 K1 O4 K2 139.813
O3 K1 O4 40.187 O3 K2 O4 40.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.362      
2 K 0.362      
3 O -0.362      
4 O -0.362      


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 -36.996 0.000 0.000
y 0.000 -41.835 0.000
z 0.000 0.000 1.403
Traceless
 xyz
x -16.780 0.000 0.000
y 0.000 -24.038 0.000
z 0.000 0.000 40.819
Polar
3z2-r281.637
x2-y24.839
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 221.014
(<r2>)1/2 14.867