Inorganic Solid Phases

CaAl1.34Mg0.66 (CaMgAl) Crystal Structure

General Information

  • Phase Label(s): CaMgAl
  • Structure Class(es): Friauf-Laves phase
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP24
  • Space Group: 194
  • Phase Prototype: MgNi2
  • Measurement Detail(s): Guinier film (determination of cell parameters), automatic diffractometer; United Kingdom, Chilton-Didcot, Rutherford Appleton Laboratory, ISIS Facility, POLARIS (determination of structural parameters), X-rays, Cu Kα (determination of cell parameters), neutrons, time-of-flight (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): intermetallic
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement, multiphase; 31 variables; 310 reflections, RP = 0.034; wRP = 0.029; RB = 0.045
  • Sample Detail(s): sample prepared from CaAl2, CaMg2, energy-dispersive X-ray analysis; CaAl1.34Mg0.66; amounts of CaO (4.0 wt.%) and Mg (4.8 wt.%), powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: CaMg0.66Al1.34
  • Alphabetic Formula: Al1.34CaMg0.66
  • Published Formula: CaAl1.34Mg0.66
  • Refined Formula: Al1.34CaMg0.66
  • Wyckoff Sequence: 194,hgf2e
  • Z Formula Units: 8
  • Density: ρ = 2.20 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_1003597

  • 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

    Citation copied