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Issue 5, 2010
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pH effect on the assembly of metal–organic architectures

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Abstract

Crystal engineering is the rational design and assembly of solid-state structures with desired properties via the manipulation of intermolecular interactions, hydrogen bonding and metal–ligand complexation in particular. The heart of crystal engineering is to control the ordering of the building blocks, be they molecular or ionic, toward a specific disposition in the solid state. The relatively weak strength of intermolecular forces with respect to chemical bonding renders the assembly of supramolecular constructs sensitive to external physical and chemical stimuli, with pH condition of the reaction mixture being arguably the most prominent and extensively observed. Using selected examples of constructing metal–organic architectures from recent literature, the influences of pH on the specific ligand forms, the generation and metal coordination of hydroxo ligands, ligand transformation promoted by pH condition changes, pH-dependent kinetics of crystallization of a number of metal–organic architectures are discussed. Current status of this particular areas of research in supramolecular chemistry and materials are assessed and personal perspectives as to toward what directions should this chemistry head are elaborated.

Graphical abstract: pH effect on the assembly of metal–organic architectures

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Publication details

The article was received on 13 Oct 2009, accepted on 20 Nov 2009 and first published on 04 Jan 2010


Article type: Highlight
DOI: 10.1039/B921146B
Citation: CrystEngComm, 2010,12, 1354-1365
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    pH effect on the assembly of metal–organic architectures

    L. Long, CrystEngComm, 2010, 12, 1354
    DOI: 10.1039/B921146B

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