Three 3D Supramolecular Organic Salts Assembled from Melamine and Aliphatic Carboxylic Acids: Preparation, Crystallographic Characterization, and Hirshfeld Surface Analysis
作者:Zhaozhi Li、Xuele Lin、Xingjun Gao、Shouwen Jin、Xusen Gong、Daqi Wang
DOI:10.1007/s10870-024-01014-5
日期:——
Three crystalline organic salts (melamine)2: (itaconic acid): 3H2O [(Hmem)22+·(itca2−)·(H2O)3, itca2− = itaconate] (1), (melamine)2:(2-bromo-but-2-enedioic acid):DMF:2H2O [(Hmem+)2·(bbda2−)·DMF·(H2O)2, bbda2− = 2-bromo-but-2-enedioate] (2) and (melamine):(α-ketoglutaric acid) [(Hmem+)·(Hketglua−), Hketglua− = hydrogen α-ketoglutarate] (3) were featured by X-ray diffraction analysis, IR, mp, and elemental
三种结晶有机盐(三聚氰胺) 2 : (衣康酸): 3H 2 O [(Hmem) 2 2+ ·(itca 2− )·(H 2 O) 3 , itca 2− = 衣康酸] (1) , (三聚氰胺) 2 :(2-溴丁-2-烯二酸):DMF:2H 2 O [(Hmem + ) 2 ·(bbda 2− )·DMF·(H 2 O) 2 , bbda 2− = 2-溴-but-2-烯二酸] (2)和 (三聚氰胺):(α-酮戊二酸) [(Hmem + )·(Hketglua − ), Hketglua − = 氢α-酮戊二酸] (3)通过 X 射线衍射进行表征分析、IR、MP 和元素分析。通过赫什菲尔德表面分析计算显着的非共价相互作用。所有盐都包含广泛的 N–H…OH 键以及其他非共价键。三聚氰胺聚合物/二聚体通过一对互补的 N–H…NH-键以1 – 2 / 3的比例排列。确定了这些非共价相互作用在晶体堆