Inorganic Solid Phases

[Mg0.775Fe(II)0.022Fe(III)0.203(OH)2]0.203+[Cl0.203(H2O)0.6]0.203− (Mg0.75Fe0.25Cl0.25[OH]2[H2O]0.5) Crystal Structure

General Information

  • Phase Label(s): Mg0.75Fe0.25Cl0.25[OH]2[H2O]0.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): iowaite
  • Pearson Symbol: hR27
  • Space Group: 166
  • Phase Prototype: (Mg0.75Fe0.25)(Cl0.33[H2O]0.67)0.75[OH]2
  • Measurement Detail(s): Debye-Scherrer film (determination of structural parameters), X-rays (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, chloride, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined
  • Sample Detail(s): iowaite sample from, powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.775Fe0.225Cl0.203[OH]2[H2O]0.6
  • Alphabetic Formula: Cl0.203Fe0.225[H2O]0.6Mg0.775[OH]2
  • Published Formula: [Mg0.775Fe(II)0.022Fe(III)0.203(OH)2]0.203+[Cl0.203(H2O)0.6]0.203−
  • Refined Formula: Cl0.20Fe0.22H3.20Mg0.77O2.60
  • Wyckoff Sequence: 166,cba
  • Z Formula Units: 3
  • Density: ρ = 2.01 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1813547

  • 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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