Inorganic Solid Phases

Sr14Si68−sAl6+sOsN106−s:Eu2+ (s ≈ 7), 2 at.% Eu with respect to Sr (Sr6.86Eu0.14Al6.5Si30.5N49.5O3.5) Crystal Structure

General Information

  • Phase Label(s): Sr6.86Eu0.14Al6.5Si30.5N49.5O3.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mP404
  • Space Group: 4
  • Phase Prototype: (Sr0.98Eu0.02)7(Al0.18Si0.82)37N46(N0.5O0.5)7
  • Measurement Detail(s): automatic diffractometer; Japan, Hyogo, Japan Synchrotron Radiation Research Institute, SPring-8, BL15XU (determination of structural parameters), X-rays, synchrotron; λ = 0.065297 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): nitride, oxide
  • Interpretation Detail(s): commensurate approximant determined, Rietveld refinement, RP = 0.0203; wRP = 0.0386
  • Sample Detail(s): sample prepared from SrO, SrSi2, α-Si3N4, AlN, Eu2O3, inductive coupled plasma method, inert gas fusion method; Sr, Eu, Si and Al content analyzed; O and N content analyzed; Sr13.71Eu0.29Si60.83Al12.79O7.15N94.06, powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Sr6.86Eu0.14Al6.5Si30.5N49.5O3.5
  • Alphabetic Formula: Al6.5Eu0.14N49.5O3.5Si30.5Sr6.86
  • Published Formula: Sr14Si68−sAl6+sOsN106−s:Eu2+ (s ≈ 7), 2 at.% Eu with respect to Sr
  • Refined Formula: Al6.50N49.50O3.50Si30.50Sr7
  • Wyckoff Sequence: 4,a202
  • Z Formula Units: 4
  • Density: ρ = 3.49 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_1717970

  • 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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