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Science

Observation of relativistic bond weakening in seaborgium hexacarbonyl

Image: Nature

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  • Nature · October 7, 2026 00:00
    Nature, Published online: 07 October 2026; doi:10.1038/s41586-026-11105-2 Gas chromatography analysis of compounds formed by the superheavy element seaborgium shows that the hexacarbonyl complex Sg(CO)6 exhibits lower first bond dissociation energy than the lighter chemical homologue W(CO)6, owing…