Inorganic Solid Phases

Co2(OH)(PO4)1−x(AsO4)x, x= 0.9 (Co2[AsO4]0.5[PO4]0.5[OH], T = 300 K) Crystal Structure

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General Information

  • Phase Label(s): Co2[AsO4]0.5[PO4]0.5[OH]
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: oP32
  • Space Group: 58
  • Phase Prototype: Zn2[AsO4][OH]
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; France, Grenoble, Institut Laue-Langevin ILL, D2B (determination of structural parameters), neutrons; λ = 0.15938 nm (determination of cell and structural parameters), T = 300 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): arsenate, hydroxide, orthophosphate
  • Interpretation Detail(s): complete structure determined; composition dependence studied, Rietveld refinement; 36 variables, RP = 0.126; wRP = 0.111; RB = 0.0636
  • Sample Detail(s): powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: Co2[AsO4]0.9[PO4]0.1[OH]
  • Alphabetic Formula: [AsO4]0.9Co2[OH][PO4]0.1
  • Published Formula: Co2(OH)(PO4)1−x(AsO4)x, x= 0.9
  • Refined Formula: As0.90Co2HO5P0.10
  • Wyckoff Sequence: 58,hg5e
  • Z Formula Units: 4
  • Density: ρ = 4.20 Mg·m−3
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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_1934040

  • 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)

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