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链状聚[[[二水合铽(III)]-三-μ(2)-异烟酸根合-κO:O']三(高氯酸盐)一水合物]

catena-Poly[[[diaqua-terbium(III)]-tri-μ(2)-isonicotinato-κO:O'] tris(perchlorate) monohydrate].

作者信息

Huang Xiao-Hui, Pan Wei-Bo, Xu Xiao-Hong, Zeng Rong-Hua

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Jul 31;64(Pt 8):m1098-9. doi: 10.1107/S1600536808023623.

DOI:10.1107/S1600536808023623
PMID:21203072
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2962002/
Abstract

In the title complex, {Tb(C(6)H(5)NO(2))(3)(H(2)O)(2)(3)·H(2)O}(n), the Tb(III) ion is coordinated by six O atoms from six isonicotinate (inic) ligands and two water mol-ecules, displaying a bicapped trigonal-prismatic geometry. The inic ligands, which are protonated at the pyridine N atom, link the metal centres, forming a polymeric chain running parallel to the a axis. The chains are further assembled via intra- and inter-molecular O-H⋯O and N-H⋯O hydrogen-bonding inter-actions into a three-dimensional supra-molecular network involving the inic ligands, the water mol-ecules and the perchlorate anions. One of the perchlorate ions is disordered over two sites with occupancies of 0.561 (17) and 0.439 (17).

摘要

在标题配合物{Tb(C₆H₅NO₂)₃(H₂O)₂₃·H₂O}ₙ中，Tb(III)离子由来自六个异烟酸酯（inic）配体的六个O原子和两个水分子配位，呈现出双帽三角棱柱几何构型。在吡啶N原子处质子化的inic配体连接金属中心，形成平行于a轴的聚合物链。这些链通过分子内和分子间的O—H⋯O和N—H⋯O氢键相互作用进一步组装成一个三维超分子网络，该网络涉及inic配体、水分子和高氯酸根阴离子。其中一个高氯酸根离子在两个位置上无序，占有率分别为0.561 (17)和0.439 (17)。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6e31/2962002/2e747661884b/e-64-m1098-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6e31/2962002/009c567c6162/e-64-m1098-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6e31/2962002/2e747661884b/e-64-m1098-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6e31/2962002/009c567c6162/e-64-m1098-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6e31/2962002/2e747661884b/e-64-m1098-fig2.jpg

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