Dimensionality Variation in Dinuclear Cu(II) Complexes of a Heterotritopic Pyrazolate Ligand (2014)
Two new Cu(II) complexes of the ligand 3-carboxy-5-(2-pyridyl)-1H-pyrazole, H2L1, have been prepared and structurally characterized and found to be comprised of a similar [M2L2] dimer motif. Subtle variation in the synthetic conditions allowed isolation of two metal complexes: [Cu2L12(MeOH)2], 1, a discrete dimer linked by hydrogen bonding interactions in the solid state, and poly-[Cu2L12], 2, a polymeric material where the dimer motif is linked by carboxylate bridges to give an extended two-dimensional sheet. The selective isolation of each phase by careful synthetic control highlights the subtlety and importance of the underlying synthetic conditions.
CitationHawes, C.S., Kruger, P.E. (2014) Dimensionality Variation in Dinuclear Cu(II) Complexes of a Heterotritopic Pyrazolate Ligand. Crystals, 4(1), pp. 32-41.
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Keywordsheterocycles; crystallography; metallosupramolecular chemistry; crystal engineering
ANZSRC Fields of Research03 - Chemical Sciences::0303 - Macromolecular and Materials Chemistry::030302 - Nanochemistry and Supramolecular Chemistry
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