Inorganic Solid Phases

CaSr(Al,Mn,Fe)3Si3O11O(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; Enraf-Nonius CAD4 (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, orthosilicate, disilicate, oxide
  • Interpretation Detail(s): complete structure determined, 658 reflections; F > 8σ(F), R = 0.035
  • Sample Detail(s): strontiopiemontite sample from Italy, Apennines, Liguria, Val Graveglia, Cassagna, electron microprobe analysis; 34.27 wt.% SiO2, 17.56 wt.% Al2O3, 4.89 wt.% Fe2O3, 11.69 wt.% CaO, 13.45 wt.% SrO, 12.93 wt.% Mn2O3, 2.87 wt.% MnO, single crystal (determination of cell parameters), single crystal, 0.03×0.06×0.10 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Sr0.6Ca1.4Mn0.9Fe0.3Al1.8[SiO4][Si2O7]O[OH]
  • Alphabetic Formula: Al1.8Ca1.4Fe0.3Mn0.9O[OH][SiO4][Si2O7]Sr0.6
  • Published Formula: CaSr(Al,Mn,Fe)3Si3O11O(OH)
  • Refined Formula: Al1.80Ca1.05Fe0.28HMn1.14O13Si3Sr0.73
  • Wyckoff Sequence: 11,f3e13ca
  • Z Formula Units: 2
  • Density: ρ = 3.68 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_1617973

  • 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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