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混合价态的磷酸钛锂，Li₂Ti₂(PO₄)₃，二锂二钛（III/IV）三（正磷酸）盐 。

The mixed-valent titanium phosphate, Li(2)Ti(2)(PO(4))(3), dilithium dititanium(III/IV) tris-(orthophosphate).

作者信息

Kee Yongho, Lee Seoung-Soo, Yun Hoseop

机构信息

Division of Energy Systems Research and Department of Chemistry, Ajou University, Suwon 443-749, Republic of Korea.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2011 Sep 1;67(Pt 9):i49. doi: 10.1107/S1600536811031606. Epub 2011 Aug 17.

DOI:10.1107/S1600536811031606
PMID:22065701
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3200769/
Abstract

The mixed-valent titanium phosphate, Li(2)Ti(2)(PO(4))(3), has been prepared by the reactive halide flux method. The title compound is isostructural with Li(2)TiM(PO(4))(3) (M = Fe, Cr) and Li(2)FeZr(PO(4))(3) and has the same (3) (∞)Ti(2)(PO(4))(3) framework as the previously reported Li(3-) (x)M(2)(PO(4))(3) phases. The framework is built up from corner-sharing TiO(6) octa-hedra and PO(4) tetra-hedra, one of which has 2 symmetry. The Li(+) ions are located on one crystallographic position and reside in the vacancies of the framework. They are surrounded by four O atoms in a distorted tetra-hedral coordination. The classical charge-balance of the title compound can be represented as Li(+) (2)(Ti(3+)/Ti(4+))(PO(4) (3-))(3).

摘要

混合价态的磷酸钛Li(2)Ti(2)(PO(4))(3)已通过反应性卤化物助熔剂法制备。标题化合物与Li(2)TiM(PO(4))(3)（M = Fe、Cr）和Li(2)FeZr(PO(4))(3)同构，并且具有与先前报道的Li(3 - x)M(2)(PO(4))(3)相相同的(3) (∞)[Ti(2)(PO(4))(3)](2 - )骨架。该骨架由共用顶点的TiO(6)八面体和PO(4)四面体构成，其中一个具有2重对称性。Li(+)离子位于一个晶体学位置上，并存在于骨架的空位中。它们在扭曲的四面体配位中被四个O原子包围。标题化合物的经典电荷平衡可表示为Li(+) (2)(Ti(3 + )/Ti(4 + ))(PO(4) (3 - ))(3)。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/27a51e32b794/e-67-00i49-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/d962bff0ce74/e-67-00i49-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/00eea3d46919/e-67-00i49-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/27a51e32b794/e-67-00i49-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/d962bff0ce74/e-67-00i49-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/00eea3d46919/e-67-00i49-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27c2/3200769/27a51e32b794/e-67-00i49-fig3.jpg

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