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Issue 19, 2011
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Oligomeric and polymeric organizations of potassium salts with compartmental Schiff-base complexes as ligands

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Abstract

The complexation of K+ ions by mono-metallated bicompartmental Schiff-base complexes in double-decker-type arrangement was found to yield various supramolecular organizations as a function of the associated anions. A series of four [{LMK}n{LM}]n+ aggregates with n = 1, 2, 3, and ∞ are reported (M = Ni2+ or Cu2+; L stands for the Schiff-base). Assembling KNCS with the metallo-ligand led to 1-D [L3CCuK(NCS)]n whereas KOH yielded the simplest possible case, [(L2CNi)2KOH]·H2O. Oligomeric organizations containing two or three alkali ions were achieved in the presence of the [Mo(NCS)6]3 anion. Such stacks have not been found with Na2+ due to a different local arrangement with the metallo-ligand. The crystal packing for [(L2CNi)2KOH]·H2O yields an open-framework structure with a void volume of 20%.

Graphical abstract: Oligomeric and polymeric organizations of potassium salts with compartmental Schiff-base complexes as ligands

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Publication details

The article was received on 24 Jan 2011, accepted on 14 Jun 2011 and first published on 08 Aug 2011


Article type: Paper
DOI: 10.1039/C1CE05127J
Citation: CrystEngComm, 2011,13, 5908-5914
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    Oligomeric and polymeric organizations of potassium salts with compartmental Schiff-base complexes as ligands

    M. Mousavi, V. Béreau, J. Costes, C. Duhayon and J. Sutter, CrystEngComm, 2011, 13, 5908
    DOI: 10.1039/C1CE05127J

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