Inorganic Solid Phases

(Mg0.795Fe0.203Mn0.002)Al2Si2O6(OH)4 (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): Guinier film (determination of cell parameters), automatic diffractometer; STOE 4-circle (determination of structural parameters), X-rays (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 1163 reflections; F > 3σ(F), R = 0.044
  • Sample Detail(s): magnesiocarpholite sample from Greece, Crete, Sfinari, atomic absorption spectroscopy, X-ray fluorescence spectroscopy; (Mg0.795Fe0.203Mn0.002)Al2Si2O6[OH]4, powder (determination of cell parameters), single crystal, 0.057×0.076×0.105 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg0.8Fe0.2Al2Si2O6[OH]4
  • Alphabetic Formula: Al2Fe0.2Mg0.8O6[OH]4Si2
  • Published Formula: (Mg0.795Fe0.203Mn0.002)Al2Si2O6(OH)4
  • Refined Formula: Al2Fe0.20H4Mg0.80O10Si2
  • Wyckoff Sequence: 68,i6f2e
  • Z Formula Units: 8
  • Density: ρ = 2.88 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]

Anisotropic

Site
β11 [nm2]
β22 [nm2]
β33 [nm2]
β12 [nm2]
β13 [nm2]
β23 [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1615965

  • 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

    Citation copied