Molecular tectonics: silver coordination networks based on tetramercaptothiacalix[4]arene in 1,3-alternate conformation bearing four nitrile groups
Abstract
Two tetrasubsituted derivatives of tetramercaptothiacalix[4]arene in 1,3-alternate conformation bearing either four (3-cyano)propyl (2) or (4-cyano)benzyl (3) moieties have been synthesized and characterized in solution as well as in the solid state by X-ray diffraction on single crystals. Their propensity to form coordination networks was investigated in the presence of silver cation as connecting metal and hexafluorophosphate as counter ion. Whereas the combination of AgPF6 and 2 bearing four (3-cyano)propyl groups leads to a 1D silver coordination network, for 3, containing four (4-cyano)benzyl units, a 3D diamond-like architecture is obtained.
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