Inorganic Solid Phases

CsxMg2Al4+xSi5−xO18, x= 1 (Cs0.5Mg2Al4.5Si4.5O18) Crystal Structure

General Information

  • Phase Label(s): Cs0.5Mg2Al4.5Si4.5O18
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP62
  • Space Group: 192
  • Phase Prototype: KMg2(Al0.55Si0.45)9O18
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, Centre d'Etudes Nucléaires CEN (determination of structural parameters), neutrons, time-of-flight (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement; 16 variables, RP = 0.0481
  • Sample Detail(s): sample prepared from SiO2[H2O]x (silicic acid), Al2O3, MgO, Cs2CO3, X-ray fluorescence spectroscopy; composition confirmed, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: CsMg2Al5Si4O18
  • Alphabetic Formula: Al5CsMg2O18Si4
  • Published Formula: CsxMg2Al4+xSi5−xO18, x= 1
  • Refined Formula: Al5.01CsMg2O18Si3.99
  • Wyckoff Sequence: 192,ml2fec
  • Z Formula Units: 2
  • Density: ρ = 3.03 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_1002282

  • 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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