Inorganic Solid Phases

Pb2Mn2Mg(AsO4)2(OH)4·6H2O (MgMn2Pb2[AsO4]2[OH]4[H2O]6) Crystal Structure

General Information

  • Phase Label(s): MgMn2Pb2[AsO4]2[OH]4[H2O]6
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): langbanshyttanite
  • Pearson Symbol: aP25
  • Space Group: 2
  • Phase Prototype: MgMn2Pb2[AsO4]2[OH]4[H2O]6
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, European Synchrotron Radiation Facility ESRF, SNBL (determination of structural parameters), X-rays, synchrotron; λ = 0.083212 nm (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): arsenate, hydroxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement; 382 reflections; I > 2σ(I), R = 0.2307
  • Sample Detail(s): langbanshyttanite sample from Sweden, Värmland, Langban, chemical analysis, electron microprobe analysis; Pb1.97Mn1.85Mg0.93Fe0.26[AsO4]1.96[PO4]0.09[OH]3.87[H2O]5.93, single crystal (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: MgMn2Pb2[AsO4]2[OH]4[H2O]6
  • Alphabetic Formula: [AsO4]2[H2O]6MgMn2[OH]4Pb2
  • Published Formula: Pb2Mn2Mg(AsO4)2(OH)4·6H2O
  • Refined Formula: As2H16MgMn2O18Pb2
  • Wyckoff Sequence: 2,i12a
  • Z Formula Units: 1
  • Density: ρ = 3.96 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]

Powder Pattern

published defraction line
d [Å]
computed diffraction line for Cu Kα
d [nm]
intensity
I [1]
h [1]
k [1]
l [1]
Radiation
Remark

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1226555

  • 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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