Inorganic Solid Phases

La4Mg(Ni,Co)19 (MgLa4Co2.66Ni16.34) Crystal Structure

General Information

  • Phase Label(s): MgLa4Co2.66Ni16.34
  • Structure Class(es): Laves-CaCu5 intergrowth
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP48
  • Space Group: 194
  • Phase Prototype: (Mg0.5La0.5)2La3(Co0.14Ni0.86)19
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays, Cu Kα (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 La0.75Mg0.25Ni3.0Co0.5, energy-dispersive X-ray analysis, inductive coupled plasma method; amounts of Ce2Ni7-type phase (31 wt.%), PuNi3-type phase (5 wt.%), powder (determination of cell parameters)

Substance Summary

  • Standard Formula: MgLa4Co2.7Ni16.3
  • Alphabetic Formula: Co2.7La4MgNi16.3
  • Published Formula: La4Mg(Ni,Co)19
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 2
  • Density: ρ = 7.96 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.

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1636468

  • 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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