Inorganic Solid Phases

Fe3(SiFe)O4(OH)5, 6-layer (Fe3.7Si1.3O5[OH]4 6R) Crystal Structure

General Information

  • Phase Label(s): Fe3.7Si1.3O5[OH]4 6R
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): cronstedtite 6R
  • Pearson Symbol: hR84
  • Space Group: 146
  • Phase Prototype: (Mg0.67Al0.33)3(Al0.5Si0.5)2O5[OH]4
  • Measurement Detail(s): oscillation photographs (determination of cell parameters), oscillation and Weissenberg photographs (determination of structural parameters), X-rays, Co Kα, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, trial-and-error, R = 0.16
  • Sample Detail(s): cronstedtite sample from United Kingdom, England, Cornwall, Truro, Wheal Maudlin, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Fe4SiO4[OH]5
  • Alphabetic Formula: Fe4O4[OH]5Si
  • Published Formula: Fe3(SiFe)O4(OH)5, 6-layer
  • Refined Formula: Fe4H5O9Si
  • Wyckoff Sequence: 146,b6a10
  • Z Formula Units: 6
  • Density: ρ = 3.60 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_1600023

  • 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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