Department of Soil Sciences, University of Agronomical Sciences and Veterinary Medicine, 59 Mărăști Str., 011464 Bucharest, Romania.
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany.
Molecules. 2023 Feb 21;28(5):2011. doi: 10.3390/molecules28052011.
A complex [Zn(bpy)(acr)]·HO () was converted in a DMF medium (DMF = '-dimethylformamide) into a coordination polymer [Zn(bpy)(acr)(HCOO)] () (bpy = 2,2'-bipyridine, and Hacr = acrylic acid), and the species was fully characterized through a single crystal X-ray diffraction. Additional data were obtained by IR and thermogravimetric analysis. Complex () crystalized the coordination polymer in the space group 2 of an orthorhombic system. Structural characterization revealed that Zn(II) adopted a square pyramidal stereochemistry generated by bpy molecules, coordinated by chelate, acrylate, and formate ions as unidentate and bridged, respectively. The presence of both the formate and the acrylate with different coordination modes generated two bands in ranges that were characteristic for the carboxylate vibration modes. Thermal decomposition occurs in two complex steps: it first happens via a bpy release, which is followed by an overlapped process that is associated with acrylate and formate decomposition. The obtained complex is of present interest due to the presence of two different carboxylates in its composition and situation, which is rarely reported in the literature.
在 DMF 介质中，将复杂的 [Zn(bpy)(acr)]·HO () 转化为配位聚合物 [Zn(bpy)(acr)(HCOO)] ()（bpy = 2,2'-联吡啶，Hacr = 丙烯酸），并通过单晶 X 射线衍射对其进行了充分的表征。通过 IR 和热重分析获得了其他数据。() 在正交晶系的空间群 2 中结晶出配位聚合物。结构表征表明，Zn(II)采用由 bpy 分子生成的四方锥立体化学，分别由螯合、丙烯酸盐和甲酸盐离子作为非桥联和桥联配体配位。甲酸盐和丙烯酸盐以不同的配位模式存在，在羧酸振动模式的特征范围内产生了两个带。热分解发生在两个复杂的步骤中：首先是 bpy 的释放，然后是与丙烯酸盐和甲酸盐分解相关的重叠过程。由于其组成和结构中存在两种不同的羧酸根，该配合物具有研究价值，这在文献中很少报道。
