2D coordination polymers of macrocyclic oxamide with polycarboxylates: syntheses, crystal structures and magnetic properties |
| |
Authors: | Sun Ya-Qiu Xu Yan-Yan Gao Dong-Zhao Zhang Guo-Ying Liu Yiao-Xu Wang Jing Liao Dai-Zheng |
| |
Institution: | Tianjin Key Laboratory of Structure and Performance for Functional Molecule, College of Chemistry, Tianjin Normal University, Tianjin, P R China. hxxysyq@mail.tjnu.edu.cn |
| |
Abstract: | Five new 2D coordination polymers, Co(nip)(CuL)(H(2)O)]·CH(3)OH (1), Mn(ip)(NiL)]·0.63H(2)O (2), Cu(ip)(CuL)] (3), Mn(6)(CuL)(6)(btc)(4)(H(2)O)(4)]·7H(2)O (4), and Cu(CuL)(Hbtc)(H(2)O)] (5)(ML, H(2)L = 2,3-dioxo-5,6,14,15-dibenzo-1,4,8,12-tetraazacyclo-pentadeca-7,13-diene; H(2)nip = 5-nitroisophthalic acid; H(2)ip = m-isophthalic acid; H(3)btc = 1,3,5-benzenetricarboxylic acid) have been synthesized by a solvothermal method and characterized by single-crystal X-ray diffraction. Complexes 1-5 exhibit different 2D layered structures formed by Co(2)Cu(2) (1), Mn(2)Ni(2) (2), Cu(4) (3), Mn(3)Ni(3) (4), Cu(4) (5) units, respectively, via the oxamide and diverse carboxylic acid bridges. Compounds 1, 2, 3 and 5 are uninodal 4-connected (4, 4)-grids topology, while complex 4 possesses a 2D network with (3, 4)-connected (4(2).8)(4)(4(3).6(2).8)(3) topology. The results of magnetic determination show pronounced antiferromagnetic interactions in 1-4. |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|