链状聚[[[二水合锰（II）]-μ(3)-吡啶-2,3-二羧酸根-κN,O:O:O]二水合物]
catena-Poly[[[diaqua-manganese(II)]-μ(3)-pyridine-2,3-dicarboxyl-ato-κN,O:O:O] dihydrate].
作者信息
Du Zhong-Xiang, Li Jun-Xia
机构信息
Department of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471022, People's Republic of China.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2008 Sep 20;64(Pt 10):m1295-6. doi: 10.1107/S1600536808029413.
In the title coordination polymer, {[Mn(C(7)H(3)NO(4))(H(2)O)(2)]·2H(2)O}(n), the Mn(II) ion is coordinated in a distorted octahedral environment by the O atoms of two water mol-ecules, one N and one O atoms of the chelating pyridine-2,3-dicarboxyl-ate (PDC) dianion, and two axial bridging carboxyl-ate O atoms from two adjacent PDC ligands. The fully deprotonated PDC anion acts a μ(3)-bridging ligand, establishing a chain structure along the a axis. These polymeric chains are connected into a three-dimensional framework via several inter-molecular O-H⋯O hydrogen bonds.
在标题配位聚合物{[Mn(C₇H₃NO₄)(H₂O)₂]·2H₂O}ₙ中，Mn(II)离子在扭曲的八面体环境中通过两个水分子的O原子、螯合的吡啶-2,3-二羧酸根（PDC）二价阴离子的一个N原子和一个O原子以及来自两个相邻PDC配体的两个轴向桥连羧酸根O原子进行配位。完全去质子化的PDC阴离子充当μ₃桥连配体，沿a轴形成链状结构。这些聚合物链通过几个分子间O—H⋯O氢键连接成三维框架。
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