Inorganic Solid Phases

K2(H2O)2[Si10B2O24] (KSi5BO12[H2O]) Crystal Structure

General Information

  • Phase Label(s): KSi5BO12[H2O]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oP40
  • Space Group: 31
  • Phase Prototype: KSi5BO12[H2O]
  • Measurement Detail(s): automatic diffractometer; France, Grenoble, European Synchrotron Radiation Facility ESRF, SNBL (determination of structural parameters), X-rays, synchrotron; λ = 0.049719 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): borate, silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement; 45 variables; 677 reflections, wRP = 0.135
  • Sample Detail(s): sample prepared from H3BO3, KOH, N,N'-diisopropyl-dipropylbicyclo[2.2.2]oct-7ene-2,3/5,6-dipyrrolidinium diiodide, Ludox-30 colloidal silica, inductive coupled plasma method; B, K and Si content analyzed, powder (determination of structural parameters)

Substance Summary

  • Standard Formula: KSi5BO12[H2O]
  • Alphabetic Formula: B[H2O]KO12Si5
  • Published Formula: K2(H2O)2[Si10B2O24]
  • Refined Formula: BH2KO13Si5
  • Wyckoff Sequence: 31,b7a6
  • Z Formula Units: 2
  • Density: ρ = 2.46 Mg·m−3

Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation
Co-ord. No.
Atomic Env.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Displacement Parameters

Isotropic

Site
Published
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1717615

  • Copyright

    ©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

  • Chief Editor

    Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

    villars.mpds@bluewin.ch

  • Credits

    SpringerMaterials Release 2016.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

  • Cite this content

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