ArticleNature chemistry2018
Experimental and computational evidence of halogen bonds involving astatine.
Article in Nature chemistry, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- High-Yield Room-Temperature ArylACS organic & inorganic Au · 2026Article
- Electronic structure and tunability of pnictogen bonds in YH 3 and X-YH 3 (X = O, S; Y = N, P, As) systems.Journal of molecular modeling · 2026Article
- Carbon-halogen bond substitution enables high-utilization four-electron iodine redox in noncorrosive dilute electrolytes.Nature communications · 2026Article
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- Astatine-211-Towards In Vivo Stable Astatine-211 Labeled Radiopharmaceuticals and Their (Pre)Clinical Applications.Medicinal research reviews · 2026Review
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- A comparison of structure, bonding and non-covalent interactions of aryl halide and diarylhalonium halogen-bond donors.Beilstein journal of organic chemistry · 2024Article
- Computational evaluation of halogen-bonded cocrystals enables prediction of their mechanochemical interconversion reactions.Chemical science · 2023Article
- Stacking Interactions: A Supramolecular Approach to Upgrade Weak Halogen Bond Donors.Chemistry (Weinheim an der Bergstrasse, Germany) · 2022Article
- An expanded halogen bonding scale using astatine.Chemical science · 2021Article
- Astatine Facing Janus: Halogen Bonding vs. Charge-Shift Bonding.Molecules (Basel, Switzerland) · 2021Article
- Synthesis of [Scientific reports · 2021Article
- Halogen-Bonded Guanine Base Pairs, Quartets and Ribbons.International journal of molecular sciences · 2020Article
- Relativistic Effects on NMR Parameters of Halogen-Bonded Complexes.Molecules (Basel, Switzerland) · 2019Article
- Towards elucidating the radiochemistry of astatine - Behavior in chloroform.Scientific reports · 2019Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The importance of halogen bonds-highly directional interactions between an electron-deficient σ-hole moiety in a halogenated compound and an acceptor such as a Lewis base-is being increasingly recognized in a wide variety of fields from biomedicinal chemistry to materials science. The heaviest halogens are known to form stronger halogen bonds, implying that if this trend continues down the periodic table, astatine should exhibit the highest halogen-bond donating ability. This may be mitigated, however, by the relativistic effects undergone by heavy elements, as illustrated by the metallic character of astatine. Here, the occurrence of halogen-bonding interactions involving astatine is experimentally evidenced. The complexation constants of astatine monoiodide with a series of organic ligands in cyclohexane solution were derived from distribution coefficient measurements and supported by relativistic quantum mechanical calculations. Taken together, the results show that astatine indeed behaves as a halogen-bond donor-a stronger one than iodine-owing to its much more electrophilic σ-hole.
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