Issue 18, 2012

2D Coordination polymers of macrocyclic oxamide with polycarboxylates: syntheses, crystal structures and magnetic properties

Abstract

Five new 2D coordination polymers, [Co(nip)(CuL)(H2O)]·CH3OH (1), [Mn(ip)(NiL)]·0.63H2O (2), [Cu(ip)(CuL)] (3), [Mn6(CuL)6(btc)4(H2O)4]·7H2O (4), and [Cu(CuL)(Hbtc)(H2O)] (5)(ML, H2L = 2,3-dioxo-5,6,14,15-dibenzo-1,4,8,12-tetraazacyclo-pentadeca-7,13-diene; H2nip = 5-nitroisophthalic acid; H2ip = m-isophthalic acid; H3btc = 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 Co2Cu2 (1), Mn2Ni2 (2), Cu4 (3), Mn3Ni3 (4), Cu4 (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 (42.8)4(43.62.8)3 topology. The results of magnetic determination show pronounced antiferromagnetic interactions in 1–4.

Graphical abstract: 2D Coordination polymers of macrocyclic oxamide with polycarboxylates: syntheses, crystal structures and magnetic properties

Supplementary files

Article information

Article type
Paper
Submitted
27 Nov. 2011
Accepted
24 Febr. 2012
First published
22 Marts 2012

Dalton Trans., 2012,41, 5704-5714

2D Coordination polymers of macrocyclic oxamide with polycarboxylates: syntheses, crystal structures and magnetic properties

Y. Sun, Y. Xu, D. Gao, G. Zhang, Y. Liu, J. Wang and D. Liao, Dalton Trans., 2012, 41, 5704 DOI: 10.1039/C2DT12281B

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