ArticleJournal of the American Chemical Society2024
Crystallographic Evidence for Bi(I) as the Heaviest Halogen Bond Acceptor.
Article in Journal of the American Chemical Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Steric Pruning Unlocks Hierarchical Structuring, Thermochromism, C-H/O Activation, and 6-electron Redox Transmetalation in Planar Bismuth Triamides.Angewandte Chemie (International ed. in English) · 2026Article
- Zwitterionic Heavier Pnictinidenes in Redox Catalysis.Angewandte Chemie (International ed. in English) · 2025Article
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Authors and funding
7 authors.
Funding
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Abstract
Complexation of the green bismuthinidene (RBi) with two equivalents of a highly fluorinated aryl iodide at low temperature allows the crystallographic identification of an unstable red species that can be regarded as an intermediate in an overall Bi(I) → Bi(III) oxidation process. Both C-I bonds are orientated toward the filled 6p orbital of bismuth (Bi-I distances 3.44-3.52 Å), leading to an elongation of the C-I bonds by 0.05 and 0.07 Å. Density functional theory (DFT) calculations confirm that the Bi(I) center is indeed acting as an electron donor, establishing two strong and directional halogen bonds. The color change from green to red upon halogen bond formation is a consequence of the energetic stabilization of a Bi(I) lone pair by interactions with the sigma-holes of the halogen bond donors. Overall, this study presents the first structural proof of bismuth, and more generally of heavy organopnictogen(I) compounds, acting as halogen bond acceptors.
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