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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Hydrothermal synthesis, crystal structures, and thermal stabilities of two new zinc phosphonates with a layered and a 3D framework structures
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Hydrothermal synthesis, crystal structures, and thermal stabilities of two new zinc phosphonates with a layered and a 3D framework structures

机译：具有分层和3D骨架结构的两种新型膦酸锌的水热合成，晶体结构和热稳定性

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摘要

By using ethylenediamine as a structure-directing agent, two new zinc phosphonates [enH_2]_(0.5)Zn[(L)(H_2O)].H _2O(1) and [enH_2]_(0.5)- Zn_5[(HL)(L) _3(H_2O)_2]-3H_2O(2)(H _3L=H_2O_3PCH(OH)CO_2H, en=eth- ylenediamine), have been synthesised by hydrothermal reaction and structurally characterised by single crystal X-ray diffraction as well as with infrared spectroscopy, elemental analysis and thermogravimetric analysis. The structure of compound 1 comprises ZnO_6 octahedra and CPO_3 tetrahedra connected by [O_3PCH(OH)CO_2]~(3-)to form a 2D layered structure with one-dimensional channel system along the a axis, and the protonated ethylenediamine cations are being located between two adjacent layers. In compound 2, the connections of alternately arranged ZnO_6, ZnO_5 polyhedra, and CPO_3 tetrahedra result in a 3D framework structure with channels containing the NH_3(CH _2)_2NH_3]~(2+) cations.
机译：通过使用乙二胺作为结构导向剂，两个新的膦酸锌[enH_2] _（0.5）Zn [（L）（H_2O）]。H_2O（1）和[enH_2] _（0.5）-Zn_5 [（HL） （L）_3（H_2O）_2] -3H_2O（2）（H _3L = H_2O_3PCH（OH）CO_2H，en =乙二胺）已通过水热反应合成，并通过单晶X射线衍射以及红外光谱，元素分析和热重分析。化合物1的结构包括由[O_3PCH（OH）CO_2]〜（3-）连接的ZnO_6八面体和CPO_3四面体，形成沿a轴具有一维通道系统的二维层状结构，并且质子化的乙二胺阳离子位于在两个相邻层之间。在化合物2中，交替排列的ZnO_6，ZnO_5多面体和CPO_3四面体的连接形成3D框架结构，其通道包含NH_3（CH _2）_2NH_3]〜（2+）阳离子。

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