Metal Ions in Supramolecular Chemistry: A Themed Issue in Honor of Professor Luigi Fabbrizzi
A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Inorganic Chemistry".
Deadline for manuscript submissions: closed (31 July 2024) | Viewed by 15359
Special Issue Editor
Interests: sensor materials; photocatalysis materials; inorganic-organic interphases; spectromagnetic characterization
Special Issue Information
Dear Colleagues,
Supramolecular chemistry is concerned with systems composed of a discrete number of molecules, held together by noncovalent interactions. Noncovalent interactions include van der Waals forces, hydrogen bonding, electrostatic effects, and metal–ligand interactions. Such interactions are characterized by different energies, varying from fractions to several tens of kcal mol-1, but possess a common feature: quick reversibility. They form and break according to fast and uncomplicated steps, which, following a trial and error mechanism, may allow the achievement of complex and sophisticated architectures. This means that noncovalent chemistry is thermodynamically controlled, whereas covalent (organic) chemistry is controlled by kinetics.
Metal–ligand interactions are especially versatile. This is firstly because metal ions represent the widest range of chemical individuals of the Periodic Table. It is no coincidence that supramolecular chemistry is conventionally considered to begin with the awarding of the Nobel Prize to Cram, Lehn, and Pedersen for their research on the novel coordination chemistry of alkali metal ions (1987); in particular, the different behavior of a homogeneous group of spherical ions, from Li+ to Cs+, promoted the design of “molecules with structure-specific interactions of high selectivity”. Soon thereafter, transition metal ions came into play, bringing their distinctive properties of color, magnetism, redox behavior, varying coordination geometry, and photophysical and photochemical activity, dramatically extending and enriching the discipline. Some of the most investigated topics include molecular switches, control of molecular motions, molecular machines and motors, transition metal directed self-assembly, anion recognition, photoinduced electron transfer sensing and switching, molecular logic, metal–organic frameworks for recognition and catalysis, supramolecular materials with photonic and/or conductor properties, and templating motifs for the formation of interpenetrated host–guest species.
Prof. Dr. Franca Morazzoni
Guest Editor
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Keywords
- supramolecular chemistry
- noncovalent interactions
- metal-promoted self-assembly
- molecular recognition
- molecular switches
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