Cu4 @E18 ]4- (E = Sn, Pb): Fused Derivatives of Endohedral Stannaspherene and Plumbaspherene

Journal of the American Chemical Society
Lei QiaoZhong-Ming Sun

Abstract

We report the synthesis of two new cluster anions, [Cu4@E18]4- (E = Sn, Pb), in which a Cu4 subunit is incorporated into a continuous E18 tetrel cage. Both anions are characterized by X-ray crystallography and mass spectrometry, complemented by quantum-chemical calculations that highlight the relationships to known Zintl clusters, including the stannaspherenes and plumbaspherenes [M@Sn12]q- and [M@Pb12]q-, the Matryoshka bronze [Sn@Cu12@Sn20]12-, and also [Pd2@E'18]4- (E' = Ge, Sn).

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Citations

Mar 9, 2021·Accounts of Chemical Research·Yi WangZhong-Ming Sun
Jul 24, 2021·Nature Communications·Yu-He XuZhong-Ming Sun
Aug 14, 2020·The Journal of Physical Chemistry. a·Rakesh ParidaSantanab Giri
Nov 3, 2021·Chemical Society Reviews·Susan M KauzlarichJesse Lundervold

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