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首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Synthesis, structure and characterization of five new organically templated metal sulfates with 2-aminopyridinium
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Synthesis, structure and characterization of five new organically templated metal sulfates with 2-aminopyridinium

机译：具有2-氨基吡啶鎓的五种新的有机模板金属硫酸盐的合成，结构和表征

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The chemistry of organically templated metal sulfates has attracted interest from the materials science community and the development of synthetic strategies for the preparation of organic-inorganic hybrid materials with novel structures and special properties is of current interest. Sulfur-oxygen-metal linkages provide the possibility of using sulfate tetrahedra as building units to form new solid-state materials. A series of novel organically templated metal sulfates of 2-aminopyridinium (2ap) with aluminium(III), cobalt(II), magne-sium(II), nickel(II) and zinc(II) were obtained from the respective aqueous solutions and studied by single-crystal X-ray diffraction. The compounds crystallize in centrosymmetric triclinic unit cells in three structure types: type 1 for 2-aminopyridinium hexaaquaaluminium(III) bis(sulfate) tetrahydrate, (CSH7N2)[A1(H2O)6](SO4)2-4H2O, (I); type 2 for bis(2-aminopyridinium) tris-[hexaaquacobalt(II)] tetrakis(sulfate) dihydrate, (CsH7N2)2[Co(H2O)6]3(SO4)4-2H2O, (II), and bis(2-aminopyridinium) tris[hexaaquamagnesium(II)] tetrakis-(sulfate) dihydrate, (CsH7N2)2[Mg(H2O)6]3(SO4)4-2H2O, (III); and type 3 for bis(2-aminopyridinium) hexaaquanickel(II) bis(sulfate), (CsH7N2)2[Ni(H2O)6]-(SO4)2, (IV), and bis(2-aminopyridinium) hexaaquazinc(II) bis(sulfate), (CsH7N2)2[Zn(H2O)6](SO4)2, (V). The templating role of the 2ap cation in all of the reported crystalline substances is governed by the formation of characteristic charge-assisted hydrogen-bonded pairs with sulfate anions and the presence of tt-tt interactions between the cations. Additionally, both coordinated and uncoordinated water molecules are involved in hydrogen-bond formation. As a consequence, extensive three-dimensional hydrogen-bonding patterns are formed in the reported crystal structures.
机译：有机模型金属硫酸盐的化学吸引了物料科学界的兴趣，并具有新颖结构的有机无机杂化材料的合成策略的发展，具有目前的兴趣。硫 - 氧金属键提供使用硫酸盐Tetrahedra作为建筑单元形成新的固态材料。用铝（III），钴（II），钴（II），Magne-Sium（II），镍（II）和锌（II）的一系列新型有机模板金属硫酸盐，从相应的水溶液中获得，镍（II）和锌（II）。通过单晶X射线衍射研究。该化合物以三种结构类型结晶，三种结构类型：2型氨基吡啶庚烷（III）双（硫酸盐）四水合物，（CSH7N2）[A1（H2O）6]（SO 4）2-4H 2 O，（I）;双（2-氨基吡啶鎓）Tris- [六丙酯（II）]四（硫酸盐）二水合物，（CSH7N2）2 [CO（H2O）6] 3（SO 4）4-2H2O，（II）和BIS（2 - 氨基吡啶鎓）TRIS [六血管（II）]四（硫酸盐）二水合物，（CSH7N2）2 [Mg（H 2 O）6] 3（SO 4）4-2H2O，（III）; BIS（2-氨基吡啶鎓）六（硫酸二氨基吡啶）的3型（硫酸盐），（CSH7N2）2 [Ni（H2O）6] - （SO 4）2，（IV）和双（2-氨基吡啶鎓）六表（II）（II ）双（硫酸盐），（CSH7N2）2 [Zn（H 2 O）6]（SO 4）2，（V）。 2AP阳离子在所有报告的结晶物质中的模板作用是通过形成具有硫酸盐阴离子的特征电荷辅助氢键合对和阳离子之间的TT-TT相互作用的构成。另外，协调和未加工的水分子均参与氢键形成。结果，在报告的晶体结构中形成了广泛的三维氢键图案。

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