Structure

Basic information

Pretty formulaK2P2H2O7
Full formulaK8P8H8O28
TagsTetrapotassium cyclo-tetraphosphate(V) dihydrate
Constituent elementsH; K; O; P;
Number of elements4
Number of sites52
Volume780.32941 Å3
Density2.16337 g/cm3
Source Materials Project

Space group

Spacegroup Number2
Hermann MauguinP-1
Hall-P 1
Crystal SystemTriclinic

Lattice Parameters

a11.183 Å b8.444 Å c8.396 Å
α87.050° β85.447° γ81.155°

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Calculated Energies

Total energyEnergy per atomFormation energy per atomBand gapTotal magnetizationEnergy above hull
-319.72139 eV -6.14849 eV -2.37001 eV 4.76060 eV -0.00004 eV 0.05320 eV