Iron fluorophosphates

被引:30
作者
Keates, Adam C. [1 ]
Armstrong, Jennifer A. [1 ]
Weller, Mark T. [2 ]
机构
[1] Univ Southampton, Sch Chem, Southampton SO17 1BJ, Hants, England
[2] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England
关键词
CRYSTAL-STRUCTURE; HYDROTHERMAL SYNTHESIS; PHOSPHATES; FRAMEWORKS; BATTERIES; BEHAVIOR; PHASE; ACID; FE;
D O I
10.1039/c3dt50324k
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
18 new iron fluorophosphates and a chlorofluorophosphate have been synthesised hydrothermally in a fluoride-rich medium, using FeF2, FeF3, Fe, HPF6. HCl, monovalent metal fluorides as reactants and amines as templating agents. Products have been fully structurally characterised using single crystal X-ray diffraction, and the stability of some compounds investigated using thermogravimetric analysis. Reaction in fluoride-rich conditions produce ribbon-like, layer and framework structures containing new and unusual structural motifs based on the linking of Fe(O,F)(6), PO3F, and PO2(OH,F)(2) polyhedra. Structures exhibiting inter-layer spaces and channels are frequently lined by terminal fluoride anions of the PO3F, PO2(OH,F)(2) and Fe(O,F)(6) polyhedra.
引用
收藏
页码:10715 / 10724
页数:10
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