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李亚红教授在CrystEngComm发表研究论文

Synthesis, structures and properties of the first series of SrII–MII (M = Cu, Co, Ni and Zn) coordination polymers based on pyridine-2,5-dicarboxylic acid

Yanmei Chen,a   Shixiong She,a   Qian Gao,a   Dandan Gao,b   Derong Wang,b   Yahong Li,*ac （李亚红）  Wei Liua and   Wu Lib  

 

a Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China

b Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China

c State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, China

 

CrystEngComm 2014, 16, 1091-1102

 

The first series of heterometallic SrII–MII (M = Cu, Co, Ni and Zn) coordination polymers based on pyridine-2,5-dicarboxylic acid (H2pydc) are reported. Eight complexes of compositions, [Sr(pydc)(H2O)]n (1), [CuSr(pydc)2(H2O)4]n (2), [CoSr(pydc)2(H2O)6]2n·H2O (3), [NiSr(pydc)2(H2O)4]n·3nH2O (4), [Sr(H2O)6]n·n[Ni(pydc)2(H2O)2]·2nH2O (5), [NiSr2(pydc)3(H2O)8]n·2nH2O (6), [ZnSr(pydc)2(H2O)5]n (7) and [ZnSr2(pydc)3(H2O)10]n·2nH2O (8), have been prepared and characterized. The structures of the complexes could be controlled via rationally choosing the appropriate metal salts, adding the starting materials in different orders, and tuning the ratio of the starting materials. Eight varieties of structures, ranging from 1-D chains to 3-D networks, were obtained. The magnetic properties of 2, 3 and 6 were investigated from 2 K to 300 K. Antiferromagnetic MII MII interactions were found for 2 and 6, and ferromagnetic interactions were determined for 3. The solid state luminescent properties of 1, 7 and 8 were also studied.

 

链接： //pubs.rsc.org/en/content/articlelanding/2014/ce/c3ce41975d#!divAbstract