α-Na7Fe3(P2O7)4 (Na7Fe3[P2O7]4) Crystal Structure
General Information
- Phase Label(s): Na7Fe3[P2O7]4
- Structure Class(es): –
- Classification by Properties: –
- Mineral Name(s): –
- Pearson Symbol: mS216
- Space Group: 15
- Phase Prototype: Na7Fe3[P2O7]4
- Measurement Detail(s): automatic diffractometer; 25 (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα; λ = 0.07107 nm (determination of cell and structural parameters), T = 294 K (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): diphosphate
- Interpretation Detail(s): complete structure determined, least-squares refinement; 624 variables; 4343 reflections; I > 1σ(I), R = 0.039; wR = 0.041
- Sample Detail(s): sample prepared from Fe2O3 (hematite), Na4P2O7, NaPO3, single crystal (determination of cell parameters), single crystal, 0.09×0.15×0.21 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: Na7Fe3[P2O7]4
- Alphabetic Formula: Fe3Na7[P2O7]4
- Published Formula: α-Na7Fe3(P2O7)4
- Refined Formula: Fe3Na7O28P8
- Wyckoff Sequence: 15,f68e2
- Z Formula Units: 12
- Density: ρ = 3.10 Mg·m−3
Crystallographic Data
Cell Parameters
Atom Coordinates
Standardized
Published
Displacement Parameters
Isotropic
Experimental Details
Reference
3D Interactive Structure
About this content
PAULING FILE Multinaries Edition – 2012
sd_1408442
©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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