A one-dimensional heterometallic coordination polymer with a three-dimensional supramolecular framework: poly[mu(2)-aqua-diaqua(2,2 '-bipyridyl)(mu(5)-2-sulfonatobutanedioato)copper(II)sodium(I)]

作者：Fu, Jiang-Hong; Wang, Yu-Ling^*; Chen, Ying; Hu, Chang-Hui; Tang, Li

来源：Acta Crystallographica Section C-Structural Chemistry, 2012, 68: M209-+.

DOI：10.1107/S0108270112030909

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The title compound, [CuNa(C4H3O7S)(C10H8N2)(H2O)(3)](n), consists of one Cu-II cation, one Na-I cation, one 2-sulfonato-butanedioate trianion (SSC3-), one 2,2'-bipyridyl (bpy) ligand and three coordinated water molecules as the building unit. The coordination of the Cu-II cation is composed of two pyridyl N atoms, one water O atom and two carboxylate O atoms in a distorted square-pyramidal coordination geometry with an axial elongation. The Na-I cation is six-coordinated by three water molecules and three carboxylate O atoms from three SSC3- ligands in a distorted octahedral geometry. Two SSC3- ligands link two Cu-II cations to form a Cu-2(SSC)(2)(bpy)(2) macrocyclic unit lying across an inversion centre, which is further linked by Na-I cations via Na-O bonds to give a one-dimensional chain. Interchain hydrogen bonds link these chains to form a two-dimensional layer, which is further extended into a three-dimensional supramolecular framework through pi-pi stacking interactions. The thermal stability of the title compound has also been investigated.

• 出版日期2012-8
• 单位江西师范大学