1-Dimensional and 2-dimensional coordination network structures in the Ba-Ce-dipicH(2) system (dipicH(2) = dipicolinic acid)

Prasad TK; Sailaja S; Rajasekharan MV

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1-Dimensional and 2-dimensional coordination network structures in the Ba-Ce-dipicH(2) system (dipicH(2) = dipicolinic acid)

机译：Ba-Ce-dipicH（2）系统中的一维和二维协调网络结构（dipicH（2）=二吡啶甲酸）

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Reaction of dipicolinic acid with ammonium ceric nitrate and barium chloride produces, by self-assembly, three coordination polymers having similar stoichiometry but very different network structures. The structure of Ba(dipicH(2))(OH2)(4)Ce(diPiO)(3) center dot 4.6H(2)O (1) is built up of 1-D alternating chains of nine-coordinate Cc and Ba polyhedra, each having tricapped trigonal prismatic geometry. The structure of Ba(OH2)(6)Ce(diPiC)(3) (2), wherein a chain of nine-coordinate aquo-Ba polyhedra is threaded through the channel formed by a trigonal arrangement of the Ce(dipic)(3)(2-) anions, is analogous to that of SrCl2 center dot 6H(2)O center dot Ba(OH2)(4)Ce(diPiC)(3) center dot 2H(2)O (3), a polymorph of 2 (formally its hydrate isomer), exhibits a layered network in which Ce and Ba coordination polyhedra are linked by dipic ligands to form a corrugated sheet structure and may be considered as a metal-organic analog of the PbO lattice. (c) 2005 Elsevier Ltd. All rights reserved.

机译：二吡啶甲酸与硝酸铈铈和氯化钡的反应通过自组装产生了三种配位聚合物，它们具有相似的化学计量，但网络结构却非常不同。 Ba（dipicH（2））（OH2）（4）Ce（diPiO）（3）中心点4.6H（2）O（1）的结构由九坐标Cc和Ba的一维交替链构成多面体，每个都具有三角形三角形棱柱形几何形状。 Ba（OH2）（6）Ce（diPiC）（3）（2）的结构，其中九坐标aquo-Ba多面体链穿过由Ce（dipic）（3）的三角排列形成的通道）（2-）阴离子，类似于SrCl2中心点6H（2）O中心点Ba（OH2）（4）Ce（diPiC）（3）中心点2H（2）O（3）的阴离子图2（其水合物异构体的形式）表现出层状网络，其中Ce和Ba配位多面体通过二元配体连接形成波纹状片状结构，并且可以认为是PbO晶格的金属有机类似物。（c）2005 Elsevier Ltd.保留所有权利。

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《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2005年第12期|共10页
作者
Prasad TK; Sailaja S; Rajasekharan MV;
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正文语种 eng
中图分类化学;
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crystal structures; Ba(II) complexes; Ce(IV) complexes; heterometallic networks; coordination polymers; polymorphism; RARE-EARTH CARBOXYLATES; MOLECULAR-STRUCTURE; CRYSTAL-STRUCTURE; HYDROTHERMAL SYNTHESIS; ALTERNATING CEN3O6; POLYMERS; COMPLEXES; CAVITY; CHAINS; 1; 10-PHENANTHROLINE;

机译：晶体结构;Ba（II）配合物;Ce（IV）配合物;杂金属网络;配位聚合物;多态性;稀土羧酸盐;分子结构;晶体结构;水热合成;交替CEN3O6;聚合物;络合物;空穴1;10-菲咯啉;

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1. 1-Dimensional and 2-dimensional coordination network structures in the Ba-Ce-dipicH(2) system (dipicH(2) = dipicolinic acid) [J] . Prasad TK, Sailaja S, Rajasekharan MV Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2005,第12期

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1-Dimensional and 2-dimensional coordination network structures in the Ba-Ce-dipicH(2) system (dipicH(2) = dipicolinic acid)

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