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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis, crystal structure, IR spectra and thermal analysis of Na[Ag(sac)(2)] (sac = saccharinate)
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Synthesis, crystal structure, IR spectra and thermal analysis of Na[Ag(sac)(2)] (sac = saccharinate)

机译:Na [Ag(sac)(2)](sac =糖精)的合成,晶体结构,红外光谱和热分析

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摘要

The reaction of silver nitrate with sodium saccharinate (Na[sac]) in the presence of 2-pyridinepropanol in aqueous solution yields the title complex, Na[Ag(sac)(2)]. The compound crystallizes in the triclinic space group P (1) over bar [a = 8.0481(6), b = 9.0587(6), c = 11.1642(8)Angstrom; alpha = 100.064(3), beta = 99.917(3) and gamma = 92.367(3)degrees Z = 2]. The structure consists of Na+ and [Ag(saC)(2)](-) ions, in which each silver(I) ion is doubly bridged by the sac ligands, exhibiting a distorted 'T' shaped AgN2O coordination arrangement with one long [Ag-O-sulfonyl = 2.6390(10) Angstrom] and two shorter bonds [Ag-N = 2.1405(11) and 2.1570(11) Angstrom]. The coordination around silver(l) is trigonal planar and the N-Ag-N bond angle is 158.99(5)degrees. The Na+ ion is five-coordinate with two carbonyl and three sulfonyl O atoms of the adjacent sac ligands and acts as a bridge between [Ag(sac)(2)](-) units, resulting in a three-dimensional network. The i.r. spectra and thermal decomposition behaviour of Na[Ag(sac)(2)] are discussed in detail.
机译:在2-吡啶丙醇存在下,硝酸银与糖精钠(Na [sac])的反应生成标题化合物Na [Ag(sac)(2)]。该化合物在棒的三斜晶空间群P(1)中结晶[a = 8.0481(6),b = 9.0587(6),c = 11.1642(8)埃; alpha = 100.064(3),beta = 99.917(3)和gamma = 92.367(3)度Z = 2]。该结构由Na +和[Ag(saC)(2)](-)离子组成,其中每个银(I)离子被囊状配体双桥连接,表现出扭曲的“ T”形AgN2O配位结构,其中长[ Ag-O-磺酰基= 2.6390(10)埃和两个较短的键[Ag-N = 2.1405(11)和2.1570(11)埃]。银(l)周围的配位为三角形平面,N-Ag-N键角为158.99(5)度。 Na +离子与相邻囊配体的两个羰基和三个磺酰基O原子五配位,并充当[Ag(sac)(2)](-)单元之间的桥梁,从而形成三维网络。 I.R. Na [Ag(sac)(2)]的光谱和热分解行为进行了详细讨论。

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