Inorganic Solid Phases

(Mg2.01(5)Al1.98(5)Fe3+0.17(2))(Si7.98(5)Al0.07(3))O20.43(7)(OH)1.86(2)K0.068(9)Ca0.02(2)(OH2)3.71(4)·2.92H2O (Mg1.0Fe0.08Al1.0Si3.99O10.2[OH]0.8[H2O]3.3) Crystal Structure

General Information

  • Phase Label(s): Mg1.0Fe0.08Al1.0Si3.99O10.2[OH]0.8[H2O]3.3
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): palygorskite M
  • Pearson Symbol: mS84
  • Space Group: 12
  • Phase Prototype: Mg1.0Fe0.08Al1.0Si3.99O10.2[OH]0.8[H2O]3.3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; PANalytical X'Pert PRO MPD (determination of structural parameters), X-rays, Cu Kα (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, multiphase, RP = 0.0405; wRP = 0.0514; RB = 0.0260
  • Sample Detail(s): palygorskite sample from Italy, Alps, Valle d'Aosta, Montestrutto, energy-dispersive X-ray analysis, thermogravimetry; (Mg2.01(5)Al1.98(5)Fe3+0.17(2))(Si7.98(5)Al0.07(3))O20.43(7)[OH]1.86(2)K0.068(9)Ca0.02(2)[OH2]3.71(4)[H2O]2.92; amounts of orthorhombic phase (22.6 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg1.0Fe0.08Al1.0Si3.99O10.2[OH]0.8[H2O]3.3
  • Alphabetic Formula: Al1.0Fe0.08[H2O]3.3Mg1.0O10.2[OH]0.8Si3.99
  • Published Formula: (Mg2.01(5)Al1.98(5)Fe3+0.17(2))(Si7.98(5)Al0.07(3))O20.43(7)(OH)1.86(2)K0.068(9)Ca0.02(2)(OH2)3.71(4)·2.92H2O
  • Refined Formula: H8.52Mg2O14.76Si4
  • Wyckoff Sequence: 12,j7i2h2g2f
  • Z Formula Units: 4
  • Density: ρ = 2.25 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_1633692

  • 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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