We report the synthesis and characterization of nine new gold(I) dinuclear compounds containing the bridging ligand vinylidenebis(diphenylphosphine) and terminal fluorophenylthiolates with the general formula [Au₂(SR)₂(μ-vdpp)] in which SR = SC₆F₅, SC₆HF₄, SC₆H₃F₂-2,4, SC₆H₃F₂-3,4, SC₆H₃F₂-3,5, SC₆H₄F-2, SC₆H₄F-3, SC₆H₄F-4 together with the non-fluorinated derivative [Au₂(SC₆H₅)₂(μ-vdpp)]. In these compounds, we analyze the long-range influence of the fluorination patterns over the electronic structure in terms of the changes in the ³¹P-NMR chemical shifts, showing the different effects depending on the relative fluorination position. Additionally, we present the crystal structure of four of the compounds, showing the presence of supported aurophilic interactions in which the Au···Au distances are modified as a consequence of the lateral interactions formed by the fluorinated phenyl rings. Overall this work gives insights in the effects of ligand fluorination in gold coordination compounds.

我们报告了九个新的金（I）双核化合物的合成和表征，这些化合物包含桥联配体亚乙烯基双（二苯基膦）和具有通式[Au ₂（SR）₂（μ-vdpp）]的末端氟苯基硫醇盐，其中SR = SC ₆ F ₅，SC ₆ HF ₄，SC ₆ H ₃ F ₂ -2,4，SC ₆ H ₃ F ₂ -3,4，SC ₆ H ₃ F ₂ -3,5，SC ₆ H ₄ F-2，SC ₆高₄ F-3，SC ₆ H₄ F-4与非氟化衍生物[Au ₂（SC ₆ H ₅）₂（μ-vdpp）]一起。在这些化合物中，我们根据³¹ P-NMR化学位移的变化分析了氟化图形对电子结构的长期影响，显示出取决于相对氟化位置的不同影响。此外，我们介绍了四种化合物的晶体结构，显示了支持的亲金相互作用的存在，其中由于氟化苯环形成的侧向相互作用而改变了Au···Au距离。总的来说，这项工作为配体氟化在金配位化合物中的作用提供了见识。