MgAl2O4 Crystal Structure
General Information
- Phase Label(s): MgAl2O4
- Structure Class(es): spinel family
- Classification by Properties: ferrimagnet FiM, metal, semiconductor, superconductor
- Mineral Name(s): spinel
- Pearson Symbol: cF56
- Space Group: 227
- Phase Prototype: MgAl2O4
- Measurement Detail(s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Enraf-Nonius CAD4 (determination of structural parameters), X-rays, Mo Kα (determination of cell and structural parameters)
- Phase Class(es): –
- Compound Class(es): oxide
- Interpretation Detail(s): complete structure determined, least-squares refinement, R = 0.0188; wR = 0.0336
- Sample Detail(s): spinel sample from Myanmar (Burma), Mogok, sample prepared from MgAl2O4, electron microprobe analysis; 0.16 wt.% SiO2, 0.12 wt.% TiO2, 68.98 wt.% Al2O3, 0.67 wt.% Cr2O3, 0.39 wt.% V2O3, 0.21 wt.% Fe2O3, 28.70 wt.% MgO, 0.06 wt.% CaO, 0.03 wt.% BaO, 0.19 wt.% NiO, 0.12 wt.% ZnO, single crystal (determination of cell parameters), single crystal, 0.15×0.2×0.2 mm3 (determination of structural parameters)
Substance Summary
- Standard Formula: MgAl2O4
- Alphabetic Formula: Al2MgO4
- Published Formula: MgAl2O4
- Refined Formula: Al2MgO4
- Wyckoff Sequence: 227,ecb
- Z Formula Units: 8
- Density: ρ = 3.57 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_1237058
©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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