Multinary clusters comprising main group metal atoms and further (semi)metal atoms and/or chalcogen atoms and/or organic substituents have attracted interest in recent times, owing to a number of uncommon properties. The most obvious feature is a large variety of different cluster compositions and architectures, but the materials do also show unexpected functionalities.1 Depending on the elemental composition, the clusters either belong to so-called intermetalloid clusters [Mx@E13/14yE15z]q– (E13/14/15 = group 13, 14, 15 element), hence comprising (semi)metal atoms in negative oxidation states,2 or they form chalcogenidometalate architectures [Mx(RE14)yE16z]q– (M = (transition) metal) with or without organic ligands R.3,4 While unsubstituted clusters like [U@Bi12]3– 5 or [Hg8Te16]8– 6 mainly serve to study structural variations and to gain new insights into cluster formation and bonding, organic substituents on the cluster surfaces shed light on reactivities,7 and they may also cause extreme non-linear optical properties, rendering compounds like [(StySn)4S6]8-12 potentially useful, innovative materials.

Multinary clusters: Atomically precise materials with uncommon properties

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.