含 2,9-双(苯乙烯基)-1,10-菲罗啉衍生物和三苯基膦的 Ag(I) 异质配合物的溶液态研究、X 射线结构测定和发光特性

IF 3.1 4区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR
Dimitrios Glykos, J. Plakatouras, G. Malandrinos
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引用次数: 0

摘要

成功合成了一种新型异电性Ag(I)化合物[AgL(PPh3)]BF4(1)(其中L代表2,9-二((E)-4-甲氧基苯基)-1,10-菲罗啉,PPh3代表三苯基膦),并对其进行了表征。通过一维和二维核磁共振(NMR)证实了化合物在溶液中的稳定性。在CDCl3溶液中,利用波长为λ = 365 nm的普通便携式紫外灯对该配合物进行光照射,导致E,E几何异构体部分转化为E,Z,最终生成摩尔比为1:1.4的异构体。它的分子结构是通过x射线晶体学确定的,而分子填充物是通过赫希菲尔德计算评估的。在阳离子内球内最显著的相互作用(51%)涉及H···H键。在固体和溶液(二氯甲烷)中评价了配合物和L的光物理特性。化合物1是弱发射体,溶液和固体的光致发光量子产率分别为8.6%和4.3%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Solution-State Studies, X-ray Structure Determination and Luminescence Properties of an Ag(I) Heteroleptic Complex Containing 2,9-Bis(styryl)-1,10-phenanthroline Derivative and Triphenylphosphine
A novel heteroleptic Ag(I) compound, formulated as [AgL(PPh3)]BF4 (1) (where L represents 2,9-bis((E)-4-methoxystyryl)-1,10-phenanthroline and PPh3 stands for triphenylphosphine), was successfully synthesized and thoroughly characterized. The compound’s stability in solution was confirmed through 1D and 2D nuclear magnetic resonance (NMR). The photo-irradiation of the complex in a CDCl3 solution, utilizing a common portable UV lamp emitting at λ = 365 nm, led to the partial transformation of the E,E-geometric isomer to E,Z, ultimately yielding a 1:1.4 molar ratio of isomers. Its molecular structure was determined via X-ray crystallography, while molecular packing was assessed using Hirshfeld calculations. The most notable interactions (51%) within the cationic inner sphere involved H···H bonds. The photophysical characteristics of the complex and L were evaluated both in the solid state and in solution (dichloromethane). Compound 1 is a weak emitter, with photoluminescence quantum yields of 8.6% and 4.3% in solution and the solid state, respectively.
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来源期刊
Inorganics
Inorganics Chemistry-Inorganic Chemistry
CiteScore
2.80
自引率
10.30%
发文量
193
审稿时长
6 weeks
期刊介绍: Inorganics is an open access journal that covers all aspects of inorganic chemistry research. Topics include but are not limited to: synthesis and characterization of inorganic compounds, complexes and materials structure and bonding in inorganic molecular and solid state compounds spectroscopic, magnetic, physical and chemical properties of inorganic compounds chemical reactivity, physical properties and applications of inorganic compounds and materials mechanisms of inorganic reactions organometallic compounds inorganic cluster chemistry heterogenous and homogeneous catalytic reactions promoted by inorganic compounds thermodynamics and kinetics of significant new and known inorganic compounds supramolecular systems and coordination polymers bio-inorganic chemistry and applications of inorganic compounds in biological systems and medicine environmental and sustainable energy applications of inorganic compounds and materials MD
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