Inorganic Solid Phases

(Th1.76Ce0.05Pb0.010.18)K1.21(Na1.80Ca1.46Mn0.38Mg0.070.29)Si16(O38.08OH1.92) (K0.60Na0.90Ca0.73Mg0.03Th0.89Ce0.02Mn0.19Si8O19.04[OH]0.96) Crystal Structure

General Information

  • Phase Label(s): K0.60Na0.90Ca0.73Mg0.03Th0.89Ce0.02Mn0.19Si8O19.04[OH]0.96
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): ekanite
  • Pearson Symbol: tP64
  • Space Group: 124
  • Phase Prototype: K(Na0.5Ca0.5)2ThSi8O20
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Picker (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, silicate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement, R = 0.058
  • Sample Detail(s): ekanite sample from Canada, Quebec, Rouville County, Mt. Saint-Hilaire, electron microprobe analysis, spectroscopy, thermogravimetry; (Th1.76Ce0.05Pb0.010.18)K1.21(Na1.80Ca1.46Mn0.38Mg0.070.29)Si16(O38.08OH1.92), single crystal (determination of cell parameters), single crystal, 0.5×0.5×1 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: K0.60Na0.90Ca0.73Mg0.03Th0.89Ce0.02Mn0.19Si8O19.04[OH]0.96
  • Alphabetic Formula: Ca0.73Ce0.02K0.60Mg0.03Mn0.19Na0.90O19.04[OH]0.96Si8Th0.89
  • Published Formula: (Th1.76Ce0.05Pb0.010.18)K1.21(Na1.80Ca1.46Mn0.38Mg0.070.29)Si16(O38.08OH1.92)
  • Refined Formula: Ca0.73Ce0.02H0.96K0.61Mg0.04Mn0.19Na0.90O20Si8Th0.89
  • Wyckoff Sequence: 124,n3mfba
  • Z Formula Units: 2
  • Density: ρ = 3.29 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

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_1801316

  • 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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