Synthesis, characterization, and structural analyses of three high-coordination tetra-n-butylammonium lanthanide(III) complexes

被引：10
|
作者：
Mullica, DF [1 ]
Bonilla, BM [1 ]
David, MC [1 ]
Farmer, JM [1 ]
Kautz, JA [1 ]
机构：
[1] Baylor Univ, Dept Chem, Waco, TX 76798 USA
来源：
INORGANICA CHIMICA ACTA | 1999年 / 292卷 / 01期
关键词：
crystal structures; lanthanide complexes; high coordination complexes;
D O I：
10.1016/S0020-1693(99)00177-2
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of tetra-n-butylammonium thiocyanate with the appropriate lanthanide nitrate polhydrate yield complexes of the general type [(n-C4H9)(4)N](3)[Ln(NCS)(x)(NO3)(y)]. [(n-C4H9)(4)N](3)[Pr(NCS)(2)(NO3)(4)] (I), [(n-C4H9)(4)N](3)[Nd(NCS)(4)(NO3)(2)] (II), and [(n-C4H9)(4)N](3)[Dy(NCS)(4)(NO3)(2)] (III) were crystallized from ethanol and characterized by single-crystal X-ray crystallography, IR spectroscopy, and other physical determinations. The coordination about the central lanthanide ion varied. For complex I, the geometric polyhedron is a bicapped square antiprism (D-4d), while those for complexes II and III are best described as a dodecahedral prism (D-2d). Details of the synthesis and selected bond distances and angles are presented and discussed. (C) 1999 Elsevier Science S.A. All rights reserved.
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收藏
页码：137 / 143
页数：7
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