Inorganic Solid Phases

Si32O76Sr8K8·16(H2O) (AES-19) (K2Sr2Si8O19[H2O]4) Crystal Structure

General Information

  • Phase Label(s): K2Sr2Si8O19[H2O]4
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: oP148
  • Space Group: 52
  • Phase Prototype: K2Sr2Si8O19[H2O]4
  • 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): silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement, multiphase, RP = 0.0241; wRP = 0.0325; RB = 0.0150
  • Sample Detail(s): sample prepared from SiO2, Sr[OH]2, KOH, H2O, amounts of KHSi2O5 (5.2 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: K2Sr2Si8O19[H2O]4
  • Alphabetic Formula: [H2O]4K2O19Si8Sr2
  • Published Formula: Si32O76Sr8K8·16(H2O) (AES-19)
  • Refined Formula: H8K2O23Si8Sr2
  • Wyckoff Sequence: 52,e17d2c
  • Z Formula Units: 4
  • Density: ρ = 2.56 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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1639970

  • 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)

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