Abstract
The supramolecular self-assembly of hexakis(4-pyridylmethoxy)cyclotriphosphazene (PyPN) and silver alkylsulfonates AgSO 3C n H 2 n+1 ( n=12, 14, 16, 18) gave a new type of hairy-rod coordination polymer. Elemental analysis, FT-IR, differential scanning calorimetry and X-ray diffraction techniques indicated that the coordination polymers with an alternating sequence of one PyPN and three Ag + ions bearing alkylsulfonate anions as side chains are formed to give a hairy-rod structure. The hairy-rod polymers with alkyl side-chains of AgC 14 ( n=14), AgC 16 ( n=16) and AgC 18 ( n=18) are organized in lamellar structures, where the alkyl chains tilted with respect to the polymer backbone by ca. 40° are interdigitated with each other. On the other hand, the coordination polymer with an alkyl side-chain of AgC 12 ( n=12) did not distinctly form the lamellar structure due to the relatively short alkyl chains. The effects of alkyl side-chain length on the formation of lamellar structure of the coordination polymers are described.
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