Ca(Cu,Mg)(AsO4)(OH) (CaMg0.13Cu0.87[AsO4][OH]) Crystal Structure
General Information
- Phase Label(s): CaMg0.13Cu0.87[AsO4][OH]
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): conichalcite
- Pearson Symbol: oP32
- Space Group: 19
- Phase Prototype: CaCu[AsO4][OH]
- Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku R-AXIS RAPID (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters), T = 298 K (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): arsenate, hydroxide
- Interpretation Detail(s): complete structure determined, full-matrix least-squares refinement; 78 variables; 875 reflections, R = 0.0361; wR = 0.0778
- Sample Detail(s): conichalcite sample from U.S.A. Arizona, Higgins mine, electron microprobe analysis; Ca(Cu0.96Mg0.04)[AsO4][OH], single crystal (determination of cell parameters), single crystal, 0.093×0.093×0.096 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: CaMg0.04Cu0.96[AsO4][OH]
- Alphabetic Formula: [AsO4]CaCu0.96Mg0.04[OH]
- Published Formula: Ca(Cu,Mg)(AsO4)(OH)
- Refined Formula: AsCaCu0.96HMg0.04O5
- Wyckoff Sequence: 19,a8
- Z Formula Units: 4
- Density: ρ = 4.32 Mg·m−3
Crystallographic Data
Cell Parameters
Atom Coordinates
Standardized
Published
Displacement Parameters
Isotropic
Anisotropic
Experimental Details
Reference
3D Interactive Structure
About this content
PAULING FILE Multinaries Edition – 2012
sd_1223397
©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016
Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland
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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