Inorganic Solid Phases

(Mg3.54Al2.66Fe2+5.44Mn0.160.2)(Si5.70Al2.29Ti0.01)O20(OH)16 (Mg1.78Mn0.08Fe2.72Al2.44Si2.88O10[OH]8) Crystal Structure

General Information

  • Phase Label(s): Mg1.78Mn0.08Fe2.72Al2.44Si2.88O10[OH]8
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): chamosite 1A
  • Pearson Symbol: aP28
  • Space Group: 2
  • Phase Prototype: Mg4.95Cr0.23Fe0.08Ni0.02Al0.72(Al0.24Si0.76)4O10[OH]8
  • Measurement Detail(s): automatic diffractometer (determination of cell and structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement
  • Sample Detail(s): Mg-chamosite IIb sample from U.S.A. New Hampshire, Lebanon area, chemical analysis; (Mg3.54Al2.66Fe2+5.44Mn0.160.2)(Si5.70Al2.29Ti0.01)O20[OH]16, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg1.78Mn0.08Fe2.72Al2.44Si2.88O10[OH]8
  • Alphabetic Formula: Al2.44Fe2.72Mg1.78Mn0.08O10[OH]8Si2.88
  • Published Formula: (Mg3.54Al2.66Fe2+5.44Mn0.160.2)(Si5.70Al2.29Ti0.01)O20(OH)16
  • Refined Formula: Al2.15Fe2.48H8Mg2.52O18Si2.85
  • Wyckoff Sequence: 2,i13ge
  • Z Formula Units: 1
  • Density: ρ = 3.02 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_1217278

  • 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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