One-Dimensional Supramolecular Isomerism of Copper(I) and Silver(I) Imidazolates Based on the Ligand Orientations
datasetposted on 03.05.2006 by Xiao-Chun Huang, Jie-Peng Zhang, Xiao-Ming Chen
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Supramolecular isomers of binary copper(I) and silver(I) imidazolates have been hydro(solvo)thermally prepared via variations of the reaction conditions such as solvent and additive. Among them, two new supramolecular isomers of Ag(im) [1c, P21/c, a = 11.460(1) Å, b = 16.882(2) Å, c = 9.303(1) Å, β = 106.61(1)°; 1d, Pbca, a = 10.175(2) Å, b = 6.8415(9) Å, c = 23.881(2) Å; Him = imidazole] exhibiting two-dimensional (6,3) and (4,4) networks, respectively, through short interchain AgI···AgI contacts [3.1595(5) Å for 1c and 3.4445(5) Å for 1d] have been structurally established to be different from two known superstructures, whereas two supramolecular isomers of Cu(im) [2a‘, C2/c, a = 16.1207(17) Å, b = 16.1229(17) Å, c = 13.1021(14) Å, β = 99.850(2)°; 2b, P21/c, a = 5.410(2) Å, b = 6.943(3) Å, c = 33.058(12) Å, β = 97.647(8)°] exhibit a two-dimensional 8210 network through short interchain CuI···CuI contacts and zigzag chains, respectively.