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聚[[四水合双[μ(3)-1-乙基-6-氟-4-氧代-7-(哌嗪-1-基)-1H-喹啉-3-羧酸根合]二镍(II)]氢氧化硝酸盐]

Poly[[tetra-aqua-bis[μ(3)-1-ethyl-6-fluoro-4-oxo-7-(piperazinium-1-yl)-1H-quinoline-3-carboxyl-ato]dinickel(II)] hydroxide nitrate].

作者信息

Song Wen-Dong, Wan Yi-Ling, Hong Peng-Zhi, Ng Seik Weng

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2007 Dec 6;64(Pt 1):m70. doi: 10.1107/S1600536807062885.

DOI:10.1107/S1600536807062885
PMID:21200640
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2914950/
Abstract

In the title compound, Ni(2)(C(16)H(18)FN(3)O(3))(2)(H(2)O)(4)(NO(3)), the cationic Ni(2)(C(16)H(18)FN(3)O(3))(2)(H(2)O)(4) building units are linked through Ni-O(carboxyl-ate) and Ni-N(amino) bridges into a layer structure. The two independent nickel atoms lie on inversion centres: one adopts an NiO(6) octa-hedral geometry, the other a trans-NiN(2)O(4) octahedral arrangement. The charge-balancing hydroxide and nitrate ions are of half site occupancy each. A network of O-H⋯O and N-H⋯O hydrogen bonds helps to establish the packing.

摘要

在标题化合物Ni₂(C₁₆H₁₈FN₃O₃)₂(H₂O)₄(NO₃)中，阳离子[Ni₂(C₁₆H₁₈FN₃O₃)₂(H₂O)₄]²⁺结构单元通过Ni - O（羧酸盐）和Ni - N（氨基）桥连形成层状结构。两个独立的镍原子位于对称中心：一个采取NiO₆八面体几何构型，另一个采取反式 - NiN₂O₄八面体排列。电荷平衡的氢氧根离子和硝酸根离子各自占据半个晶格位置。O - H⋯O和N - H⋯O氢键网络有助于确定堆积方式。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/467e/2914950/9c283926e104/e-64-00m70-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/467e/2914950/9c283926e104/e-64-00m70-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/467e/2914950/9c283926e104/e-64-00m70-fig1.jpg

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Norfloxacin dihydrate.二水合诺氟沙星
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