Inorganic Solid Phases

CuO1/3[AsO3(OH)]2/3·1/4H2O (H1.33Cu2[AsO4]1.33O0.67[H2O]0.5) Crystal Structure

General Information

  • Phase Label(s): H1.33Cu2[AsO4]1.33O0.67[H2O]0.5
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s): lapeyreite
  • Pearson Symbol: mS44
  • Space Group: 12
  • Phase Prototype: H1.33Cu2[AsO4]1.33O0.67[H2O]0.5
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; STOE IPDS I (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 293 K (determination of cell and structural parameters)
  • Phase Class(es):
  • Compound Class(es): arsenate, oxide, hydrate
  • Interpretation Detail(s): positions of non-H atoms determined, least-squares refinement on F2; 60 variables; 617 reflections, R = 0.069; wR = 0.188
  • Sample Detail(s): lapeyreite sample from France, Alpes-Maritimes, Vallée du Var, Roua mine, electron microprobe analysis; Cu2.96As2.01O6.99[OH]2.01[H2O]0.77, twinned crystal (determination of cell parameters), twinned crystal, 0.015×0.045×0.085 mm3 (determination of structural parameters)

Substance Summary

  • Standard Formula: H1.33Cu2[AsO4]1.33O0.67[H2O]0.5
  • Alphabetic Formula: [AsO4]1.33Cu2H1.33[H2O]0.5O0.67
  • Published Formula: CuO1/3[AsO3(OH)]2/3·1/4H2O
  • Refined Formula: As1.34Cu2H2.34O6.50
  • Wyckoff Sequence: 12,i11
  • Z Formula Units: 4
  • Density: ρ = 4.39 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]

Anisotropic

Site
U11 [nm2]
U22 [nm2]
U33 [nm2]
U12 [nm2]
U13 [nm2]
U23 [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_1224847

  • 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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