Inorganic Solid Phases

Ca(Ca0.84Sr0.16)(Al0.81Mn0.17Fe0.02)Al(Al0.06Mn0.61Fe0.33)[O(SiO4)(Si2O7)OH] (Sr0.6Ca1.4Mn0.9Fe0.3Al1.8[Si2O7][SiO4]O[OH]) Crystal Structure

General Information

  • Phase Label(s): Sr0.6Ca1.4Mn0.9Fe0.3Al1.8[Si2O7][SiO4]O[OH]
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): piemontite-(Sr)
  • Pearson Symbol: mP42
  • Space Group: 11
  • Phase Prototype: Ca2FeAl2[SiO4][Si2O7]O[OH]
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, Centre d'Etudes Nucléaires CEN, SILOE reactor (determination of structural parameters), neutrons; λ = 0.11756 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, orthosilicate, disilicate, oxide
  • Interpretation Detail(s): complete structure determined, least-squares refinement; 811 reflections; I > 2σ(I), R = 0.057
  • Sample Detail(s): piemontite sample from Italy, Alps, Valle d'Aosta, Saint-Marcel, electron microprobe analysis; Ca1.80Sr0.20Al1.91Fe0.33Mn0.82Si2.96O12OH, single crystal (determination of cell parameters), single crystal, 0.9×2.9×1.4 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Sr0.16Ca1.84Mn0.78Fe0.35Al1.87[SiO4][Si2O7]O[OH]
  • Alphabetic Formula: Al1.87Ca1.84Fe0.35Mn0.78O[OH][SiO4][Si2O7]Sr0.16
  • Published Formula: Ca(Ca0.84Sr0.16)(Al0.81Mn0.17Fe0.02)Al(Al0.06Mn0.61Fe0.33)[O(SiO4)(Si2O7)OH]
  • Refined Formula: Al1.87Ca1.84Fe0.35HMn0.78O13Si3Sr0.16
  • Wyckoff Sequence: 11,f3e13ca
  • Z Formula Units: 2
  • Density: ρ = 3.52 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_1409354

  • 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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