Publication: One-dimensional C—H...N hydrogen-bonded polymers in flexible tetrapyridyl systems
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2007
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Structural Chemistry
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Abstract
In N,N,N′,N′-tetrakis(2-pyridylmethyl)propane-1,3-diamine, C27H30N6, (I), and N,N,N′,N′-tetrakis(2-pyridylmethyl)butane-1,4-diamine, C28H32N6, (II), the twofold rotational symmetry of (I) favours the formation of a one-dimensional hydrogen-bonded polymer with two columns of C—H...N hydrogen bonds, while the inversion symmetry of (II) allows the formation of a one-dimensional hydrogen-bonded polymer stabilized by four columns of C—H...N hydrogen bonds. The possible role played by the chain length of the linking alkanediamine in determining the type of supramolecular architecture in this series of compounds is discussed.