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聚[二水合-双(μ-4-羧基-2-丙基-1H-咪唑-5-羧基根合-κN,O:O)钙(II)]

Poly[diaqua-bis(μ-4-carb-oxy-2-propyl-1H-imidazole-5-carboxyl-ato-κN,O:O)calcium(II)].

作者信息

Song Wen-Dong, Yan Jian-Bin, Li Shi-Jie, Miao Dong-Liang, Li Xiao-Fei

机构信息

College of Science, Guang Dong Ocean University, Zhanjiang 524088, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Dec 12;66(Pt 1):m53. doi: 10.1107/S1600536809052799.

DOI:10.1107/S1600536809052799
PMID:21579950
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2980060/
Abstract

In the title complex, Ca(C(8)H(9)N(2)O(4))(2)(H(2)O)(2), the Ca(II) atom is eight-coordinated in a distorted square-anti-prismatic environment. The water-coordinated Ca atom is N,O-chelated by the monocarboxyl-ate anion; the carboxyl -CO(2) portion engaged in chelation bears an acid hydrogen. The free -CO(2) portion engages in bonding to adjacent Ca atoms. The Ca(II) centres are connected through the ligand, forming a layer structure; the layers are linked by hydrogen bonds into a three-dimensional network.

摘要

在标题配合物[Ca(C₈H₉N₂O₄)₂(H₂O)₂]ₙ中，Ca(II)原子在扭曲的四方反棱柱环境中呈八配位。与水配位的Ca原子被单羧酸根阴离子进行N,O-螯合；参与螯合的羧基-CO₂部分带有一个酸性氢。游离的-CO₂部分与相邻的Ca原子形成键合。Ca(II)中心通过配体相连，形成层状结构；这些层通过氢键连接成三维网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/db5bc2fc857a/e-66-00m53-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/1feddb6b017c/e-66-00m53-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/ee9e6bf69c03/e-66-00m53-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/db5bc2fc857a/e-66-00m53-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/1feddb6b017c/e-66-00m53-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/ee9e6bf69c03/e-66-00m53-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b775/2980060/db5bc2fc857a/e-66-00m53-fig3.jpg

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本文引用的文献

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