聚[μ(2)-水-水-μ(4)-吡啶-2,4-二羧酸根合锶]
Poly[μ(2)-aqua-aqua-μ(4)-pyridine-2,4-dicarboxyl-ato-strontium].
作者信息
Soleimannejad Janet, Mohammadzadeh Yaghoub, Aghabozorg Hossein, Derikvand Zohreh
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Jul 15;65(Pt 8):m922. doi: 10.1107/S160053680902683X.
In the title polymeric complex, Sr(C(7)H(3)NO(4))(H(2)O)(2), the Sr(II) atom is eight-coordinated by four O atoms and one N atom of four pyridine-2,4-dicarboxyl-ate (py-2,4-dc) ligands and three O atoms of three coordinated water mol-ecules in a dodeca-hedral geometry. These units are connected via the carboxyl-ate O atoms and water mol-ecules, building polymeric layers parallel to (100). In the crystal structure, non-covalent inter-actions consisting of O-H⋯O hydrogen bonds and π-π stacking inter-actions [centroid-centroid distances = 3.862 (17) and 3.749 (17) Å] connect the various components, forming a three-dimensional structure.
在标题聚合物配合物[Sr(C₇H₃NO₄)(H₂O)₂]ₙ中，Sr(II)原子由四个吡啶 - 2,4 - 二羧酸根（py - 2,4 - dc）配体的四个O原子和一个N原子以及三个配位水分子的三个O原子以十二面体几何构型八配位。这些单元通过羧酸根O原子和水分子相连，形成平行于(100)的聚合物层。在晶体结构中，由O - H⋯O氢键和π - π堆积相互作用[质心 - 质心距离 = 3.862 (17) 和3.749 (17) Å]组成的非共价相互作用连接各种组分，形成三维结构。
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