Inorganic Solid Phases

CaMg2(SO4)3 (CaMg2[SO4]3) Crystal Structure

General Information

  • Phase Label(s): CaMg2[SO4]3
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): perkovaite [not IMA]
  • Pearson Symbol: hP36
  • Space Group: 176
  • Phase Prototype: CaMg2[SO4]3
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Bruker AXS (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): sulfate
  • Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 33 variables; I > 2σ(I), R = 0.0317; wR = 0.0785
  • Sample Detail(s): sample prepared from CaSO4[H2O]7, MgSO4[H2O]7, energy-dispersive X-ray analysis; Ca/Mg/S ratio 1.1/1.9/2.9, single crystal (determination of cell parameters), single crystal, 0.10×0.15×0.15 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: CaMg2[SO4]3
  • Alphabetic Formula: CaMg2[SO4]3
  • Published Formula: CaMg2(SO4)3
  • Refined Formula: CaMg2O12S3
  • Wyckoff Sequence: 176,ih3fb
  • Z Formula Units: 2
  • Density: ρ = 2.87 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_1624271

  • 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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