Inorganic Solid Phases

(Si11.95Al0.05)O30(Al0.14Fe3+0.05Mg7.48Ti0.01)(OH)4(OH2)4 (Mg3.1Ti0.09Fe0.14Al0.34Si6O15[OH]2[H2O]5, T = 498 K) Crystal Structure

General Information

  • Phase Label(s): Mg3.1Ti0.09Fe0.14Al0.34Si6O15[OH]2[H2O]5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): sepiolite
  • Pearson Symbol: oP132
  • Space Group: 52
  • Phase Prototype: Mg4Si6O15[OH]2[H2O]6
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, European Synchrotron Radiation Facility ESRF, SpLine, BM25A (determination of structural parameters), X-rays, synchrotron; λ = 0.08263 nm (determination of cell and structural parameters), T = 498 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement; 59 variables, RP = 0.0699; wRP = 0.0773; RB = 0.0456
  • Sample Detail(s): sepiolite sample from Norway, Nordland, Fauske, analytical electron microscopy; (Si11.95(15)Al0.05(11))(Al0.14(22)Fe3+0.05(6)Mg7.48(37)Ti0.01(4))Ca0.06(10)K0.10(25)Na0.06(12)O30[OH]4[H2O]x, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg3.84Ti0.005Fe0.03Al0.07Si6O15[OH]2[H2O]2
  • Alphabetic Formula: Al0.07Fe0.03[H2O]2Mg3.84O15[OH]2Si6Ti0.005
  • Published Formula: (Si11.95Al0.05)O30(Al0.14Fe3+0.05Mg7.48Ti0.01)(OH)4(OH2)4
  • Refined Formula: H6Mg3.84O19Si6
  • Wyckoff Sequence: 52,e12dc4
  • Z Formula Units: 4
  • Density: ρ = 2.00 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
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_1226166

  • 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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