| Syntheses and Crystal Structures of Two New Metal Phosphonates： [Mn（H2O）2（C12H8N2） （HO3PCH2CH2CO2） ] and [Co（H2O）4（C10H8N2）]-（HOaPCH2CH2CO2） |
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| 作者姓名： | YING Shao-Ming ZHOU Guang-Pei ZHONG Fan LIN Jun-Yue LI Xin-Fa |
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| 作者单位： | School of Chemistry and Chemical Engineering,Jinggangshan University, Ji'an, Jiangxi 343009, China |
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| 基金项目： | This work was supported by the Natural Science Foundation for Youths in Jiangxi Province （No. 2008GQH0002） |
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| 摘 要： | By the reactions of manganese（if） acetate, 2-sulfoethylphosphonic acid, 1,10-phen （1,10-phen = 1, 10-phenanthroline） or cobalt（Ⅱ） acetate, 4,4＇-bipy and 2-carboxyethylphosphonic acid, two novel compounds of Mn（H2O）2（C12H8N2） （HO3PCH2CH2CO2） ] （1） andCo（H2O）4（C10H8N2）]-（HOaPCH2CH2CO2） （2） have been synthesized and characterized by IR spectroscopy, elemental analyses and single-crystal X-ray diffraction. Compound 1 has a 0D structure. Two Mn（ii） ions are linked by two 2-carboxyethylphosphonic acid ligands, forming a centrosymmetric dimer. These dimers are further interlinked into a 2D layer structure by π-π stacking interactions and hydrogen bonds. Compound 2 has a 1D chain structure. The 2-carboxyethylphosphonic acid remains uncoordinated and acts as the organic template. By the bridge of 4,4＇-bipy, the Co（4,4＇-bipy）]^2＋ chains are formed.
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| 关 键 词： | 晶体结构 膦酸酯 合成 Co 水 锰 金属 邻菲罗啉 |
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