Inorganic Solid Phases

La2MgNi9, La(La,Mg)2Ni9 phase in La0.7Mg0.3Ni4.0−x(Al0.5Mo0.5)x, x= 0 (Mg2LaNi9) Crystal Structure

General Information

  • Phase Label(s): Mg2LaNi9
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hR36
  • Space Group: 166
  • Phase Prototype: Mg2LaNi9
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku D/MAX-2500 (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
  • Sample Detail(s): sample prepared from La, Mg, Ni, amounts of LaNi5, La2Ni7, LaNi2 and LaNi (37.48, 2.56, 0.24, 0.07 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: MgLa2Ni9
  • Alphabetic Formula: La2MgNi9
  • Published Formula: La2MgNi9, La(La,Mg)2Ni9 phase in La0.7Mg0.3Ni4.0−x(Al0.5Mo0.5)x, x= 0
  • Refined Formula: La0.65Mg0.35Ni3
  • Wyckoff Sequence: 166,hc2ba
  • Z Formula Units: 3
  • Density: ρ = 7.90 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

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1929370

  • 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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