Inorganic Solid Phases

Ca10[(SiO4)x(PO4)6−2x(SO4)x]Cl2, x= 2.03 (Ca5[SiO4][PO4][SO4]Cl) Crystal Structure

General Information

  • Phase Label(s): Ca5[SiO4][PO4][SO4]Cl
  • Structure Class(es): apatite family
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP44
  • Space Group: 176
  • Phase Prototype: Ca5[PO4]3[OH]
  • Measurement Detail(s): automatic diffractometer; 617 (determination of cell parameters), automatic diffractometer; France, Grenoble, Institut Laue-Langevin ILL, D1A (determination of structural parameters), neutrons; λ = 0.1389 nm (determination of cell and structural parameters), T = 298 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): orthophosphate, sulfate, orthosilicate, chloride
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, multiphase; 33 variables, RP = 0.037; wRP = 0.048; RB = 0.022
  • Sample Detail(s): ellestadite-(Cl) sample from synthetic, sample prepared from CaO, CaSO4, SiO2, CaCl2, Ca3[PO4]2, amounts of CaSO4 (1.4 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Ca5[SiO4][PO4][SO4]Cl
  • Alphabetic Formula: Ca5Cl[PO4][SO4][SiO4]
  • Published Formula: Ca10[(SiO4)x(PO4)6−2x(SO4)x]Cl2, x= 2.03
  • Refined Formula: Ca4.92Cl0.84O12P0.97S1.01Si1.01
  • Wyckoff Sequence: 176,ih4fe
  • Z Formula Units: 2
  • Density: ρ = 3.12 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_1141969

  • 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