Inorganic Solid Phases

(Fe0.76Mg0.24)2Al4Si4O12(OH)8 (Mg0.8Fe0.2Al2Si2O6[OH]4) Crystal Structure

General Information

  • Phase Label(s): Mg0.8Fe0.2Al2Si2O6[OH]4
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): carpholite
  • Pearson Symbol: oS120
  • Space Group: 68
  • Phase Prototype: FeAl2Si2O6[OH]4
  • Measurement Detail(s): automatic diffractometer; 28 (determination of cell parameters), automatic diffractometer; Ital Structures (determination of structural parameters), X-rays, Mo Kα; λ = 0.071069 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 72 variables; 1175 reflections; I > 3σ(I), R = 0.025; wR = 0.031
  • Sample Detail(s): megnesian ferrocarpholite sample from Oman, Mascate, electron microprobe analysis; (Fe0.82Mg0.16)2Al4.01Si4.09O16; trace amounts of Mn, Ca, Na, K and F detected, single crystal (determination of cell parameters), single crystal, 0.05×0.1×0.2 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.24Fe0.76Al2Si2O6[OH]4
  • Alphabetic Formula: Al2Fe0.76Mg0.24O6[OH]4Si2
  • Published Formula: (Fe0.76Mg0.24)2Al4Si4O12(OH)8
  • Refined Formula: Al2Fe0.76H4Mg0.24O10Si2
  • Wyckoff Sequence: 68,i6f2e
  • Z Formula Units: 8
  • Density: ρ = 3.00 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_1624054

  • 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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