Bis(N,N′-substituted oxamate) Zincate(II) complexes: Synthesis, spectroscopy, solid state structure and DFT calculations
作者:Deeb Taher、Firas F. Awwadi、Mousa Al-Noaimi、Lina K. Khader、Hassan K. Juwhari、Hazem Amarne、Mohammed H. Kailani、Abdellatif Ibdah
DOI:10.1016/j.ica.2019.01.001
日期:2019.3
Abstract Treatment of two equivalents of N,N′-bis(X-phenyl)oxamides (1) with one equivalent of [Zn(OAc)2(H2O)2] (2) in the presence of four equivalents of [nBu4N]OH produce the corresponding bis(N,N′-substituted oxamate) zincate(II) complexes with the general formula (nBu4N)2[Zn(X-phenyloxamide)2] (3) (a, X = 3-NO2; b, X = 4-NO2; c, X = 2,6 CH3; d, X = 3,4-CH3; e, X = 2-Br; f, X = 4-Br; g, X = 2-F;
摘要在四当量[nBu4N] OH存在下,用一当量的[Zn(OAc)2(H2O)2](2)处理两当量的N,N'-双(X-苯基)草酰胺(1)生成相应的通式为(nBu4N)2 [Zn(X-X-苯甲酰胺)2](3)的双(N,N'-取代草酸酯)锌(II)配合物(3)(a,X = 3-NO2; b,X = 4-NO 2; c,X = 2,6-CH 3; d,X = 3,4-CH 3; e,X = 2-Br; f,X = 4-Br; g,X = 2-F; h, X = 4-F; i,X = 2-Cl; j,X = H)。配合物3a–j已通过元素分析,NMR(1H,13C 1H})和IR光谱进行了表征。另外,已经通过单晶X射线晶体学表征了3a和3f。后面的配合物中的锌(II)离子与来自每个金属中心的两个双齿N,N'-二取代的草酸酯配体的两个乙二酰胺-氮原子四配位。此外,计算得出的3f静电势通过Br…Br