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2004
Iron
I 7100
49- 017
Synthesis, Magnetism, and Crystal Structure of Li2Fe[(PO4)(HPO4)] and Its Hydrogen Position Refinement. — Title compound (III) crystallizes in the monoclinic
space group P121/n1 with Z = 2 (single crystal XRD). The structure contains FeO6 octahedra which share corners with six PO4 tetrahedra to form a three-dimensional framework with eight-membered ring channels in which the Li+ ions are located. High-resolution diffraction data are used to refine a split model for the position of the hydrogen
atom. Magnetization data confirm the valence state 3+ for iron and show antiferromagnetic ordering of the iron moments below 23.6 K. — (MI, J.-X.; BORRMANN, H.;
ZHANG, H.; HUANG, Y.-X.; SCHNELLE, W.; ZHAO*, J.-T.; KNIEP, R.; Z. Anorg.
Allg. Chem. 630 (2004) 11, 1632-1636; State Key Lab. High Perform. Ceram.
Superfine Microstruct., Shanghai Inst. Ceram., Shanghai 200050, Peop. Rep. China;
Eng.) — Schramke
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