Water‐Soluble Derivatives of Octanuclear Iron–Oxido–Pyrazolato Complexes – an Experimental and Computational Study
作者:Soma Das、Indranil Chakraborty、Dmitry Skachkov、Majid Ahmadi、Yasuyuki Ishikawa、Peter Baran、Raphael G. Raptis
DOI:10.1002/ejic.201200428
日期:2012.8
Two water-soluble iron-pyrazolato complexes, [Fe8], have been prepared by the introduction of twelve hydroxyalkyl groups to the periphery of the approximately spherical octanuclear molecule and they are contrasted with their two organosoluble chloroalkyl analogues. All four new complexes, 1 - 4, have been characterized in solution by 1H-NMR and electrospray ionization mass spectroscopy. The one-electron
通过在近似球形的八核分子的外围引入十二个羟烷基基团,制备了两种水溶性铁吡唑配合物[Fe8],并将它们与两种有机可溶性氯烷基类似物进行了对比。所有四种新配合物 1 - 4 均已在溶液中通过 1 H-NMR 和电喷雾电离质谱进行了表征。水溶性3的单电子还原产物[Fe8]-已通过单晶衍射方法进行了结构表征。在水介质中,[Fe8] 的四个末端 Fe-Cl 键被部分水解,所得氯/水/羟基物质形成超分子纳米级聚集体,如动态光散射和电子显微镜所测定。采用密度泛函理论方法进行的初步计算研究已用于模拟控制竞争性溶剂化和聚集过程的氢键相互作用。