Ca0.997Sr0.003CO3 (Ca[CO3] ara, T = 224(2) K) Crystal Structure
General Information
- Phase Label(s): Ca[CO3] ara
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): aragonite
- Pearson Symbol: oP20
- Space Group: 62
- Phase Prototype: Ca[CO3]-a
- Measurement Detail(s): automatic diffractometer; 48 (determination of cell parameters), automatic diffractometer; Bruker AXS P4 APEX II (determination of structural parameters), X-rays, Mo Kα; λ = 0.071073 nm (determination of cell and structural parameters), T = 224(2) K (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): carbonate
- Interpretation Detail(s): complete structure determined; temperature dependence studied, least-squares refinement; 29 variables; 49 reflections; I > 2σ(I), R = 0.0226; wR = 0.0486
- Sample Detail(s): aragonite sample from unknown, electron microprobe analysis; Ca0.997Sr0.003CO3, single crystal (determination of cell parameters), single crystal, 0.070×0.076×0.120 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: Ca[CO3]
- Alphabetic Formula: [CO3]Ca
- Published Formula: Ca0.997Sr0.003CO3
- Refined Formula: CCaO3
- Wyckoff Sequence: 62,dc3
- Z Formula Units: 4
- Density: ρ = 2.95 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_1229249
©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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