Self-assembly synthesis of precursors to potential open framework alkali earth metal-organic complexes

Louise B. Hamdy, Paul R. Raithby, Lynne H. Thomas, Chick C. Wilson

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Abstract

The synthesis and crystal structures of a series of six magnesium pyridinecarboxylic and dicarboxylic acid complexes are reported. These complexes have been prepared to establish the nature of the hydrogen-bonding within this series and to investigate the potential of using these complexes as precursors in the self-assembly of network materials. Two Mg picolinic acid complexes (Mg1, Mg2) display a 1:2 metal:ligand ratio and are polymorphic. A Mg isonicotinic acid complex (Mg3) is a constitutional isomer of Mg1 and Mg2, while a 1:1 Mg picolinic acid complex (Mg4) is also reported and compared to the other members of the series. The set of complexes reported is completed by the synthesis and structural characterisation of two complexes containing the 2,4- pyridinedicarboxylic acid (2,4pdca) ligand, both a 1:1 (Mg5) and 1:2 (Mg6) Mg 2,4pdca acid complex, in which the presence of the additional carboxylate functionality provides clearer potential to form materials with extended network structures.
Original languageEnglish
Pages (from-to)2135-2143
Number of pages9
JournalNew Journal of Chemistry
Volume38
Issue number5
DOIs
Publication statusPublished - 1 May 2014

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Alkalies
Self assembly
Isonicotinic Acids
Metals
Earth (planet)
Ligands
Dicarboxylic Acids
Acids
Isomers
Magnesium
Hydrogen bonds
Crystal structure
picolinic acid
2,4-pyridinedicarboxylic acid

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Self-assembly synthesis of precursors to potential open framework alkali earth metal-organic complexes. / Hamdy, Louise B.; Raithby, Paul R.; Thomas, Lynne H.; Wilson, Chick C.

In: New Journal of Chemistry, Vol. 38, No. 5, 01.05.2014, p. 2135-2143.

Research output: Contribution to journalArticle

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AB - The synthesis and crystal structures of a series of six magnesium pyridinecarboxylic and dicarboxylic acid complexes are reported. These complexes have been prepared to establish the nature of the hydrogen-bonding within this series and to investigate the potential of using these complexes as precursors in the self-assembly of network materials. Two Mg picolinic acid complexes (Mg1, Mg2) display a 1:2 metal:ligand ratio and are polymorphic. A Mg isonicotinic acid complex (Mg3) is a constitutional isomer of Mg1 and Mg2, while a 1:1 Mg picolinic acid complex (Mg4) is also reported and compared to the other members of the series. The set of complexes reported is completed by the synthesis and structural characterisation of two complexes containing the 2,4- pyridinedicarboxylic acid (2,4pdca) ligand, both a 1:1 (Mg5) and 1:2 (Mg6) Mg 2,4pdca acid complex, in which the presence of the additional carboxylate functionality provides clearer potential to form materials with extended network structures.

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