Inorganic Solid Phases

phase 2:7H (La3MgNi14) in La4MgNi19 (Mg0.5La1.5Ni7 hex) Crystal Structure

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General Information

  • Phase Label(s): Mg0.5La1.5Ni7 hex
  • Structure Class(es): Laves-CaCu5 intergrowth
  • Classification by Properties: metal
  • Mineral Name(s): –
  • Pearson Symbol: hP36
  • Space Group: 194
  • Phase Prototype: Ce2Ni7
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), neutrons, time-of-flight (determination of cell parameters), T = 295 K (determination of cell parameters)
  • Phase Class(es): –
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): cell parameters determined and structure type assigned
  • Sample Detail(s): sample prepared from La4MgNi19, Mg, amounts of La4MgNi19(5:19H and 5:19R), La3MgNi14(2:7R) and LaNi5 (96 wt.%), powder (determination of cell parameters)

Substance Summary

  • Standard Formula: Mg0.5La1.5Ni7
  • Alphabetic Formula: La1.5Mg0.5Ni7
  • Published Formula: phase 2:7H (La3MgNi14) in La4MgNi19
  • Refined Formula: –
  • Wyckoff Sequence: –
  • Z Formula Units: 4
  • Density: ρ = 7.86 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.

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1717606

  • 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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