Inorganic Solid Phases

3Mg(OH)2·MgSO4·8H2O (Mg4[SO4][OH]6[H2O]8) Crystal Structure

General Information

  • Phase Label(s): Mg4[SO4][OH]6[H2O]8
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: mS92
  • Space Group: 15
  • Phase Prototype: Mg4[SO4][OH]6[H2O]8
  • Measurement Detail(s): automatic diffractometer; U.S.A. New York, Brookhaven National Laboratory, National Synchrotron Light Source, SUNY, X16C (determination of structural parameters), X-rays; λ = 0.069994 nm (determination of structural parameters), T = 298 K (determination of structural parameters)
  • Phase Class(es):
  • Compound Class(es): hydroxide, sulfate, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, Rietveld refinement; 72 variables, RP = 0.0737; wRP = 0.0863
  • Sample Detail(s): sample prepared from MgSO4[H2O]7, deonized water, powder (determination of structural parameters)

Substance Summary

  • Standard Formula: Mg4[SO4][OH]6[H2O]8
  • Alphabetic Formula: [H2O]8Mg4[OH]6[SO4]
  • Published Formula: 3Mg(OH)2·MgSO4·8H2O
  • Refined Formula: H22Mg4O18S
  • Wyckoff Sequence: 15,f11e
  • Z Formula Units: 4
  • Density: ρ = 1.87 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
B [nm2]
Type
Computed
Beq [nm2]

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1023581

  • 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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