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双[(2S,4S)-4-(2-羟乙基)-2-甲基哌嗪-1,4-二铵] 二-μ-氯双[三氯化镉(II)]

Bis[(2S,4S)-4-(2-hy-droxy-eth-yl)-2-methyl-piperazine-1,4-diium] di-μ-chlorido-bis-[trichloridocadmium(II)].

作者信息

Rong Tao

机构信息

Ordered Matter Science Research Center, Southeast University, Nanjing 210096, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2011 Apr 1;67(Pt 4):m396. doi: 10.1107/S1600536811006945. Epub 2011 Mar 2.

DOI:10.1107/S1600536811006945
PMID:21753932
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3099779/
Abstract

The asymmetric unit of the title compound, (C(7)H(18)N(2)O)(2)[Cd(2)Cl(8)], comprises one 4-(2-hy-droxy-eth-yl)-2-methyl-piperazine-1,4-diium dication and a half Cd(2)Cl(8) anion. The two Cd atoms are each coordinated by two bridging Cl atoms and three terminal Cl atoms and the Cd(2)Cl(8) anion is located on an inversion centre. The crystal structure consists of N-H⋯Cl hydrogen-bonded sheets, which are further linked by C-H⋯Cl contacts, yielding a three-dimensional network.

摘要

标题化合物(C₇H₁₈N₂O)₂[Cd₂Cl₈]的不对称单元包含一个4-(2-羟乙基)-2-甲基哌嗪-1,4-二鎓二价阳离子和半个[Cd₂Cl₈]⁴⁻阴离子。两个Cd原子均由两个桥连Cl原子和三个端基Cl原子配位，且[Cd₂Cl₈]⁴⁻阴离子位于一个对称中心上。晶体结构由N—H⋯Cl氢键连接的层组成，这些层通过C—H⋯Cl接触进一步相连，形成三维网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df45/3099779/3771b6d18542/e-67-0m396-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df45/3099779/28e1b0980ef0/e-67-0m396-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df45/3099779/3771b6d18542/e-67-0m396-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df45/3099779/28e1b0980ef0/e-67-0m396-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df45/3099779/3771b6d18542/e-67-0m396-fig2.jpg

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本文引用的文献

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Discovery of new ferroelectrics: [H2dbco]2 x [Cl3] x [CuCl3(H2O)2] x H2O (dbco = 1,4-Diaza-bicyclo[2.2.2]octane).新型铁电体的发现：[H2dbco]2 x [Cl3] x [CuCl3(H2O)2] x H2O（dbco = 1,4-二氮杂双环[2.2.2]辛烷）。
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