Inorganic Solid Phases

Nd2Si2.5Al0.5O3.5N3.5 (Nd2Al0.5Si2.5N3.5O3.5) Crystal Structure

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General Information

  • Phase Label(s): Nd2Al0.5Si2.5N3.5O3.5
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: tP24
  • Space Group: 113
  • Phase Prototype: Y2Si3(N0.8O0.2)5O2
  • Measurement Detail(s): Guinier-Hägg film (determination of cell parameters), Sweden, Studsvik Neutron Research Laboratory, R2 reactor (determination of structural parameters), X-rays, Cu Kα1; λ = 0.15405981 nm (determination of cell parameters), neutrons; λ = 0.1470 nm (determination of structural parameters), T = 275 K (determination of structural parameters)
  • Phase Class(es): –
  • Compound Class(es): silicate
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, R = 0.0352; RP = 0.0506; wRP = 0.0671; RB = 0.0553
  • Sample Detail(s): melilite sample from, sample prepared from silicon nitride, Al2O3, AlN, Nd2O3, trace amounts of Nd4Si2O7N2, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Nd2Al0.5Si2.5N3.5O3.5
  • Alphabetic Formula: Al0.5N3.5Nd2O3.5Si2.5
  • Published Formula: Nd2Si2.5Al0.5O3.5N3.5
  • Refined Formula: Al0.50N3.50Nd2O3.50Si2.50
  • Wyckoff Sequence: 113,fe3ca
  • Z Formula Units: 2
  • Density: ρ = 5.24 Mg·m−3
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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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1905455

  • 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)

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