Synthesis, spectroscopic and X-ray characterization of new molecular organotitanium(IV) phosphonate

被引：9
|
作者：
Pevec, Andrej [1 ]
Demsar, Aloiz [1 ]
Pinkas, Jiri [2 ]
Necas, Marek [2 ]
机构：
[1] Univ Ljubljana, Fac Chem & Chem Technol, SI-1000 Ljubljana, Slovenia
[2] Masaryk Univ, Dept Chem, CZ-61137 Brno, Czech Republic
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2008年 / 11卷 / 01期
关键词：
titanium; phosphonate; crystal structure; hydrogen bond;
D O I：
10.1016/j.inoche.2007.10.002
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Dititanate [{Ti(C5Me4Et)(mu-O2P(OH)Me)(mu-O2P(O)Me)}(2)] (1) was prepared from (C5Me4Et)TiF3 and MeP(O)(OSiMe3)(2). The molecular structure of compound I has been determined by single-crystal X-ray diffraction analysis. In the cage cluster, two titanium atoms are bridged by two bidentate monoanionic and by two bidentate dianionic phosphonate groups. The OH group of the monoanionic phosphonate and oxygen atom of the dianionic phosphonate are connected by strong intramolecular hydrogen bond. The NMR spectroscopy reveals the fast proton migration within the hydrogen bond. (c) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：5 / 7
页数：3
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