We report novel supramolecular architectures based on flexible benzene-1,3,5-triacetic acid (bta) through strong hydrogen bonds. Partial deprotonated triacid forms a novel one-dimensional (1D) polycatenated chain (NH4)1.5[1,3,5-C6H3(CH2COOH)1.5(CH2COO)1.5] (1). While in the case of compound bta·H2O (2) with non-deprotonated triacid, a three-dimensional (3D) interpenetrated network was self-organized by strong O–H···O hydrogen bonds. The conformation of flexible triacid is cis, cis, cis in 1 and cis, trans, trans in 2.
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Zhu et al. (2002) studied this question.
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