Inorganic Solid Phases

La23Ni7Mg4 (Mg4La23Ni7) Crystal Structure

General Information

  • Phase Label(s): Mg4La23Ni7
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP68
  • Space Group: 186
  • Phase Prototype: Mg4Pr23Ir7
  • Measurement Detail(s): Guinier film (determination of cell parameters), automatic diffractometer; STOE IPDS II (determination of structural parameters), X-rays, Cu Kα1 (determination of cell parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined; absolute structure determined, full-matrix least-squares refinement on F2; 75 variables; 2111 reflections; I > 2σ(I), R = 0.0245; wR = 0.0360
  • Sample Detail(s): sample prepared from La, Ni, Mg, energy-dispersive X-ray analysis, powder (determination of cell parameters), single crystal, 0.04×0.04×0.07 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg4La23Ni7
  • Alphabetic Formula: La23Mg4Ni7
  • Published Formula: La23Ni7Mg4
  • Refined Formula: La23Mg4Ni7
  • Wyckoff Sequence: 186,c10b2a2
  • Z Formula Units: 2
  • Density: ρ = 6.02 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

Displacement Parameters

Isotropic

Site
Published
U [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1926564

  • 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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