From diamondoid network to (4,4) net: effect of ligand topology on the supramolecular structural diversity |
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Authors: | Kumar D Krishna Jose D Amilan Das Amitava Dastidar Parthasarathi |
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Institution: | Analytical Science Discipline, Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, Gujarat, India. |
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Abstract: | While N,N'-bis(4-pyridyl)urea affords a 5-fold interpenetrated diamondoid network, its positional isomer N,N'-bis(3-pyridyl)urea gave a net-to-net hydrogen-bonded (4,4) net (square grid network) displaying temperature-dependent anion-induced reversible single-crystal-to-single-crystal disorder-order phase transition, when the ligands are reacted with zinc perchlorate. |
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