Solid- and solution-state structural transformations in flexible lead(ii) supramolecular polymers†
Abstract
Reversible solid-state structural transformations of [Pb2(Q-2-c)2(OAc)2(MeOH)2]n (1) and [Pb2(Q-2-c)2(OAc)2(EtOH)2]n (2) to [Pb2(Q-2-c)2(OAc)2]n (3) have been observed upon thermal desolvation of coordinated MeOH (in 1) and EtOH (in 2) molecules. In addition, irreversible solution-state structural transformations of compounds 1, 2 and 3 to [Pb(Q-2-c)2]n (4) have been observed in H2O. Unlike protic solvents, immersion of 1 and 2 in aprotic solvent results in formation of 3.
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