Inorganic Solid Phases

(Na,Sr,K)18Ca6Zr3Fe[Si25O72](OH)2Cl·H2O; [Na14.3Sr0.6K0.1][Ca3.9Mn1.1Na0.7Ce0.3][Zr3.0][Na2.2Fe0.75][Nb0.2Ti0.2][Si1.1][Si3O9]2[Si9(O,OH)27]2Cl1.2(OH)2.3·0.8H2O (K0.1Na15.9Sr2Ca6Zr3FeSi25ClO72[OH]2[H2O]) Crystal Structure

General Information

  • Phase Label(s): K0.1Na15.9Sr2Ca6Zr3FeSi25ClO72[OH]2[H2O]
  • Structure Class(es): eudialyte family
  • Classification by Properties:
  • Mineral Name(s): eudialyte
  • Pearson Symbol: hR486
  • Space Group: 166
  • Phase Prototype: K0.1Na15.9Sr2Ca6Zr3FeSi25ClO72[OH]2[H2O]
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Syntex P21 (determination of structural parameters), X-rays, Cu Kα; λ = 0.154 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate, chloride, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; F > 3σ(F), R = 0.045
  • Sample Detail(s): eudialyte sample from Russia, Kola Peninsula, Lovozero massif, electron microprobe analysis; Na17.41K0.13Ca3.92Sr0.57Ba0.04Fe0.74Mn1.15REE0.28Si25.18Ti0.22Zr3.15Nb0.20Cl1.51, single crystal (determination of cell parameters), single crystal, 0.20×0.25×0.3 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.1Na15.9Sr2Ca6Zr3FeSi25ClO72[OH]2[H2O]
  • Alphabetic Formula: Ca6ClFe[H2O]K0.1Na15.9O72[OH]2Si25Sr2Zr3
  • Published Formula: (Na,Sr,K)18Ca6Zr3Fe[Si25O72](OH)2Cl·H2O; [Na14.3Sr0.6K0.1][Ca3.9Mn1.1Na0.7Ce0.3][Zr3.0][Na2.2Fe0.75][Nb0.2Ti0.2][Si1.1][Si3O9]2[Si9(O,OH)27]2Cl1.2(OH)2.3·0.8H2O
  • Refined Formula: Ca3.90Ce0.30Cl1.17Fe0.75H4.66K0.10Mn1.14Na17.18O75.11Si25.32Sr0.60Ti0.20Zr3
  • Wyckoff Sequence: 166,i4h15gedc6
  • Z Formula Units: 3
  • Density: ρ = 2.86 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_1629288

  • 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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