On the remarkable resistance to oxidation by the Bi₁₈^- cluster.

ABSTRACT: The reactivity of Bi_n^- clusters (n = 2 to 30) with O₂ is found to display even-odd alternations. The open-shell even-sized Bi_n^- clusters are more reactive than the closed-shell odd-sized clusters, except Bi₁₈^-, which exhibits no observable reactivity toward O₂. We have investigated the structure and bonding of Bi₁₈^- to understand its remarkable resistance to oxidation. We find that the most stable structure of Bi₁₈^- consists of two Bi₈ cages linked by a Bi₂ dimer, where each atom is bonded to three neighboring atoms. Chemical bonding analyses reveal that each Bi uses its three 6p electrons to form three covalen

SUBMITTER: Ma J 

PROVIDER: S-EPMC11524183 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature