Structure

Basic information

Pretty formulaKCa4Si8H16O29
Full formulaK2Ca8Si16H32O58
TagsPotassium tetracalcium phyllo-octasilicate hydroxide octahydrate;
Apophyllite-(KOH)
Constituent elementsCa; H; K; O; Si;
Number of elements5
Number of sites116
Volume1,320.95798 Å3
Density2.27330 g/cm3
Source Materials Project

Space group

Spacegroup Number128
Hermann MauguinP4/mnc
Hall-P 4 2n
Crystal SystemTetragonal

Lattice Parameters

a9.059 Å b9.059 Å c16.097 Å
α90.000° β90.000° γ90.000°

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Calculated Energies

Total energyEnergy per atomFormation energy per atomBand gapTotal magnetizationEnergy above hull
-742.49599 eV -6.40083 eV -2.48537 eV 3.82950 eV 2.00000 eV 0.02833 eV