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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Heteroleptic platinum(II) isocyanide complexes: convenient synthetic access, polymorphs, and vapoluminescence
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Heteroleptic platinum(II) isocyanide complexes: convenient synthetic access, polymorphs, and vapoluminescence

机译：异特异的异氰酸铂（II）配合物：方便的合成途径，多晶型物和气相发光

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摘要

A convenient synthetic scheme was developed to access a series of square-planar Pt(II) complexes of the form (TBA)[Pt(CN)(3)(CNR)] (TBA = tetra-n-butyl ammonium cation, R = CH3, c-C6H11, p-(C2H5)-C6H4). These heteroleptic complexes were characterized by combustion analyses, single-crystal X-ray structure determinations, HRFAB-MS, H-1 NMR, ATR-IR, solution UV-Vis, and solid-state emission spectroscopies. Surprisingly, each of these complexes exhibit low energy room temperature solid-state luminescence in the absence of intermolecular Pt-Pt interactions. Additionally, the polymorphic behavior of (TBA)[Pt(CN)(3)(CN-c-C6H11)] was elucidated through a combination of single-crystal X-ray structure determinations, X-ray powder diffraction, and mass uptake experiments. Vapoluminescence and polymorphic transformations of (TBA)[Pt(CN)(3)(CN-c-C6H11)] were concomitant with water vapor absorption. A new double-salt complex [Pt(terpy)Cl] [Pt(CN)(3)(CNCH3)] (terpy = 2,2',6',2 ''-terpyridine) was also synthesized and characterized by combustion analysis, ATR-IR, HRFAB-MS, and solid-state UV-Vis and emission spectroscopies. The vapoluminescent properties of this salt in response to water were examined by mass uptake experiments, ATR-IR, and solid-state emission spectroscopy. A principal component analysis (PCA) of the solid-state emission changes induced by water vapor confirmed the presence of an intermediate emissive species.
机译：开发了一种方便的合成方案，以访问一系列形式为（TBA）[Pt（CN）（3）（CNR）]的正方形平面Pt（II）配合物（TBA =四正丁基铵阳离子，R = CH3，c-C6H11，对-（C2H5）-C6H4）。通过燃烧分析，单晶X射线结构测定，HRFAB-MS，H-1 NMR，ATR-IR，溶液UV-Vis和固态发射光谱学对这些杂合配合物进行了表征。令人惊讶地，这些复合物中的每一个在不存在分子间Pt-Pt相互作用的情况下均显示出低能量的室温固态发光。此外，通过结合单晶X射线结构测定，X射线粉末衍射和质量吸收实验，阐明了（TBA）[Pt（CN）（3）（CN-c-C6H11）]的多晶型行为。 （TBA）[Pt（CN）（3）（CN-c-C6H11）]的蒸气发光和多晶型转变与水蒸气吸收同时发生。还合成了一种新的双盐络合物[Pt（terpy）Cl] [Pt（CN）（3）（CNCH3）]（terpy = 2,2'，6'，2''-叔吡啶），并通过燃烧分析进行了表征，ATR-IR，HRFAB-MS以及固态UV-Vis和发射光谱。通过质量吸收实验，ATR-IR和固态发射光谱法检查了该盐对水的蒸发发光特性。由水蒸气引起的固态发射变化的主成分分析（PCA）确认存在中间发射物质。

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