Al3(OH)4(H2O)3(PO4)(PO3OH)·H2O (HAl3[PO4]2[OH]4[H2O]4) Crystal Structure
General Information
- Phase Label(s): HAl3[PO4]2[OH]4[H2O]4
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): afmite
- Pearson Symbol: aP42
- Space Group: 2
- Phase Prototype: HAl3[PO4]2[OH]4[H2O]4
- Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Rigaku R-AXIS RAPID II (determination of structural parameters), X-rays, Mo Kα; λ = 0.071075 nm (determination of cell and structural parameters), T = 298(2) K (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): hydroxide, orthophosphate, hydrate
- Interpretation Detail(s): positions of non-H atoms determined, full-matrix least-squares refinement on F2; 193 variables; 1262 reflections; F > 4σ(F), R = 0.1040; wR = 0.2342
- Sample Detail(s): afmite sample from France, Tarn, Fumade, chemical analysis, electron microprobe analysis; 36.41 wt.% Al2O3, 35.17 wt.% P2O5, 28.42 wt.% H2O, twinned crystal (determination of cell parameters), twinned crystal, 0.10×0.80×0.100 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: HAl3[PO4]2[OH]4[H2O]4
- Alphabetic Formula: Al3H[H2O]4[OH]4[PO4]2
- Published Formula: Al3(OH)4(H2O)3(PO4)(PO3OH)·H2O
- Refined Formula: Al3H13O16P2
- Wyckoff Sequence: 2,i21
- Z Formula Units: 2
- Density: ρ = 2.39 Mg·m−3
Crystallographic Data
Cell Parameters
Atom Coordinates
Standardized
Published
Displacement Parameters
Isotropic
Anisotropic
Powder Pattern
Experimental Details
Reference
3D Interactive Structure
About this content
PAULING FILE Multinaries Edition – 2012
sd_1226589
©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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