Inorganic Solid Phases

Si16O24(OH)16·{Sr(OH)2}8·(KOH)2, AES-18 (KSr4Si8O12[OH]17) Crystal Structure

General Information

  • Phase Label(s): KSr4Si8O12[OH]17
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: tP84
  • Space Group: 128
  • Phase Prototype: KCa4Si8O20F[H2O]8
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 ADVANCE (determination of structural parameters), X-rays, Cu Kα1; λ = 0.1540593 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, wRP = 0.0440; RB = 0.0351
  • Sample Detail(s): sample prepared from SiO2, Sr[OH]2, energy-dispersive X-ray analysis; Si/Sr/K ratio 9/4/1, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: KSr4Si8O12[OH]17
  • Alphabetic Formula: KO12[OH]17Si8Sr4
  • Published Formula: Si16O24(OH)16·{Sr(OH)2}8·(KOH)2, AES-18
  • Refined Formula: H17KO29Si8Sr4
  • Wyckoff Sequence: 128,i4hgba
  • Z Formula Units: 2
  • Density: ρ = 2.68 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_1636166

  • 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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