Inorganic Solid Phases

RE4(Sr,Ca)4Na8(Na,Mn)4M2+4Si24O68 (Na2.8Sr0.52Ca0.48Mg0.3Zn0.4La0.55Ce0.54Mn0.5Si6O17) Crystal Structure

General Information

  • Phase Label(s): Na2.8Sr0.52Ca0.48Mg0.3Zn0.4La0.55Ce0.54Mn0.5Si6O17
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): nordite-(La)
  • Pearson Symbol: oP116
  • Space Group: 54
  • Phase Prototype: Na2(Na0.8Mn0.2)(Sr0.5Ca0.5)(Mg0.3Zn0.3Mn0.2Fe0.2)(La0.5Ce0.5)Si6O17
  • Measurement Detail(s): rotation and Weissenberg photographs (determination of cell parameters), Weissenberg photographs (determination of structural parameters), X-rays, Mo K (determination of cell parameters), X-rays, Mo Kα (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, 57 variables; 1335 reflections; I > 0σ(I), R = 0.122
  • Sample Detail(s): nordite sample from Russia, Kola Peninsula, Lovozero massif, sample prepared from nordite, chemical analysis; (La2.1Ce1.7Ca0.2)(Sr2.1Ca1.9)Na2(Na0.8Mn0.2)(Zn1.5Mg1.3Fe2+0.7Mn0.5)(Si5.85Fe3+0.15)O17, single crystal (determination of cell parameters), single crystal, 0.3 mm diameter (determination of structural parameters)

Substance Summary

  • Standard Formula: Na2.8Sr0.52Ca0.48Mg0.3Zn0.4La0.55Ce0.54Mn0.5Si6O17
  • Alphabetic Formula: Ca0.48Ce0.54La0.55Mg0.3Mn0.5Na2.8O17Si6Sr0.52Zn0.4
  • Published Formula: RE4(Sr,Ca)4Na8(Na,Mn)4M2+4Si24O68
  • Refined Formula: Ca0.52Ce0.43Fe0.33La0.52Mg0.33Mn0.32Na2.80O17Si5.85Sr0.52Zn0.38
  • Wyckoff Sequence: 54,f12e2dcb
  • Z Formula Units: 4
  • Density: ρ = 3.63 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_1615511

  • 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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