Synthesis and structural characterization of Zn<sup>2+</sup>, Cd<sup>2+</sup> and Hg<sup>2+</sup> complexes with tripyrrolidinophosphine chalcogenides
作者:Khaled Ebeid、F. Ebnou、M. M'haiham、C.L. Carpenter-Warren、A.M.Z. Slawin、J.D. Woollins、M.T. Ben Dhia、A.H. Barry、M.A.K. Sanhoury
DOI:10.1080/00958972.2021.1984436
日期:2021.8.18
chalcogenides of the types [MCl2(Pyrr3PE)2] (M = Zn, E = S (1) or E = Se (2); M = Cd, E = S (3) or E = Se (4)) and [HgCl(Pyrr3PE)}2(µ-Cl)2] (E = S (5) or Se (6)) have been prepared in yields of 66-92% by reaction of the ligands with metal chloride in ethanol and characterized by 1H and 31P NMR, IR, elemental analysis, conductivity, and single crystal X-ray diffraction analysis. The results show that
摘要 六种新的氯化锌 (II)、氯化镉 (II) 和氯化汞 (II) 与 [MCl 2 (Pyrr 3 PE) 2 ] (M = Zn, E = S ( 1 ) 或 E = Se类型的三吡咯烷膦硫属元素化物的复合物( 2 ); M = Cd, E = S ( 3 ) 或 E = Se ( 4 )) 和 [HgCl(Pyrr 3 PE)} 2 (µ-Cl) 2 ] (E = S ( 5 ) 或 Se ( 6 )) 已通过配体与金属氯化物在乙醇中的反应以 66-92% 的产率制备,并以1 H 和31 为特征P NMR、IR、元素分析、电导率和单晶 X 射线衍射分析。结果表明,配合物是含有配位氯离子的假四面体。有趣的是,X 射线研究表明,虽然标题配体与 Hg 产生双核配合物,但它们的 Cd 和 Zn 配合物是单核的。四面体键角变化从85.69(5)°至在双核配合物126.25(4)° 5和6和从93