1-D, 2-D and 3-D coordination polymers assembled from polynuclear CoII units based on the isophthalate(-2) ligand
作者:Eun Young Kim、Young Joo Song、Hyo Geun Koo、Ju Hoon Lee、Hyun Min Park、Cheal Kim、Tae-Hwan Kwon、Seong Huh、Sung-Jin Kim、Youngmee Kim
DOI:10.1016/j.poly.2010.09.013
日期:2010.12
Three polymeric complexes containing polunuclear Co-II units, [Co-2(Cbtp)(2)(ip)(2)] (1), [N(CH3)(4)](2)[CO3(iP)(4)] (2), and [Co-7(ip)(5)(mu-OH)(4)}(mu-bpp)(2)]center dot 2(H2O) (3), have been prepared by solvothermal synthesis. Isophthalic acid (H(2)ip) has been used for the construction of polynuclear Co-II units, and three auxiliary ligands, namely Cbtp, quinazoline, and bpp, have also been employed to change nuclearity of Co-II unit and the dimensionality of polymeric Co-II compounds: 1-D structure containing dinuclear Co-II units with Cbtp, 2-D structure containing trinuclear Co-II units without quinazoline, and 3-D structure containing heptanuclear Co-II units with bpp. The gas sorption study of 3 revealed a relative high uptake of CO2 over N-2 because of small dimension of channels. The thermal stabilities and magnetic properties of these complexes were also examined. (C) 2010 Elsevier Ltd. All rights reserved.