【无机化学学报】doi: 10.11862/CJIC.20240039
A new sandwich-type {Co6}-added polyoxotungstate, [Co(dien)2]{[Co(dien)(H2O)]2[Co(dien)]2[Co6(en)2(μ3-OH)2(H2O)6(GeW8O31)2]}·5.5H2O (1), where dien=diethylenetriamine and en=ethylenediamine, was synthesized via hydrothermal reaction. The polyoxoanion of compound 1 was constructed by a belt-like {Co6} cluster core sandwiched by two {GeW8} units. 1 was characterized by single crystal X-ray diffraction, element analysis, IR spectroscopy, powder X-ray diffraction (PXRD), and thermogravimetric analysis (TGA) experiments, respectively. The electrochemical properties of 1 were explored by the cyclic voltammetry (CV) technique, and 1 exhibited excellent electrocatalytic activity in nitrite reduction.
【无机化学学报】doi: 10.11862/CJIC.20230271
采用溶剂热法，以2，5-二溴对苯二甲酸(H2L)为配体，分别与六水合硝酸钕、六水合硝酸钆反应合成了2种镧系金属有机骨架(MOFs)：{[Nd2(L)3(DMF)2(H2O)2]·2DMF}n (1)和{[Gd2(L)3(DMF)2(H2O)2]·2DMF}n (2)。通过单晶X射线衍射、粉末X射线衍射、红外光谱、元素分析、荧光光谱、热重分析等测试方法对其进行了结构表征与性质研究。结果表明，2个配合物均是以稀土离子为金属节点，与配体相互连接，形成无限延伸的三维网状结构。
【无机化学学报】doi: 10.11862/CJIC.20250212
以2，5-二溴噻吩-3，4-二羧酸(H2L)、4，4′-联吡啶(4，4′-bipy)为配体，分别与六水合硝酸钴、四水合乙酸锰通过溶剂热合成法制备了2种过渡金属有机骨架：{[Co2(L)2(4，4′-bipy)2(H2O)4]·H2O}n (Co-MOF)和{[Mn(L)(4，4′-bipy)0.5(H2O)2]·H2O}n (Mn-MOF)。通过单晶X射线衍射、粉末X射线衍射、元素分析、红外光谱、紫外可见光谱、荧光光谱、热重分析方法表征其结构及谱学性质。结果表明，Co-MOF的Co(Ⅱ)间以4，4′-bipy桥联，经氢键相连延展成二维层状结构，最后以层间氢键堆叠成三维结构。Mn-MOF的Mn(Ⅱ)与4，4′-bipy及L2-配体配位，以配位键延伸形成蜂窝状的三维结构。
