Inorganic Solid Phases

Fe6(OH)5(H2O)4(PO4)4·2H2O (Fe6[PO4]4[OH]5[H2O]6) Crystal Structure

General Information

  • Phase Label(s): Fe6[PO4]4[OH]5[H2O]6
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): beraunite
  • Pearson Symbol: mS148
  • Space Group: 15
  • Phase Prototype: Fe6[PO4]4[OH]5[H2O]6-a
  • Measurement Detail(s): automatic diffractometer; 30 (determination of cell parameters), automatic diffractometer; Picker FACS-I (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, orthophosphate, hydrate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 91 variables, R = 0.043; wR = 0.035
  • Sample Detail(s): beraunite sample from U.S.A. New Jersey, Mullica Hill, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Fe6[PO4]4[OH]5[H2O]6
  • Alphabetic Formula: Fe6[H2O]6[OH]5[PO4]4
  • Published Formula: Fe6(OH)5(H2O)4(PO4)4·2H2O
  • Refined Formula: Fe6H17O27P4
  • Wyckoff Sequence: 15,f17ecb
  • Z Formula Units: 4
  • Density: ρ = 2.89 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_1400555

  • 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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