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A di-superatomic model for the tubular Au26 cluster: a triple super bond (σ, 2π) between two superatomic open cages in the tubular Au26 cluster.

The number of Ag and Au bonds in M10PdnPt24−n (M = Ag and Au, n = 1–23) clusters is shown, and the motifs of M25Pd15Pt35 clusters are plotted.

Due to their strong relativistic effects, Au clusters exhibit many unusual geometric structures. Among them, the Au7-, Au8 and Au9+ have 8 valence electrons satisfying the magic numbers in the...