Inorganic Solid Phases

(La,Nd)0.79Mg0.21Ni3.5 2:7 R in La0.65Nd0.15Mg0.2Ni3.5 (Mg0.5La0.5NdNi7 rhom) Crystal Structure

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General Information

  • Phase Label(s): Mg0.5La0.5NdNi7 rhom
  • Structure Class(es): Laves-CaCu5 intergrowth
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: hR54
  • Space Group: 166
  • Phase Prototype: Gd2Co7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS D8 (determination of structural parameters), X-rays, Cu Kα (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined, Rietveld refinement, multiphase, RP = 0.1000; RB = 0.0968
  • Sample Detail(s): sample prepared from Mg2Ni, La0.65Nd0.15Ni4.175, electron microprobe analysis, inductive coupled plasma method; La0.5950(7)Nd0.1301(2)Mg0.2747(2)Ni3.2200(31), La0.574(4)Nd0.132(3)Mg0.296(4)Ni3.102(20) (for two-phase alloy); amounts of (La,Nd)0.75Mg0.25Ni3.5 (8 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Mg0.42La1.28Nd0.3Ni7
  • Alphabetic Formula: La1.28Mg0.42Nd0.3Ni7
  • Published Formula: (La,Nd)0.79Mg0.21Ni3.5 2:7 R in La0.65Nd0.15Mg0.2Ni3.5
  • Refined Formula: La1.29Mg0.41Nd0.30Ni7
  • Wyckoff Sequence: 166,hec4b
  • Z Formula Units: 6
  • Density: ρ = 8.05 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_1231761

  • 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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