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Ricevuto — 7 Ottobre 2026 ⏭ Natura

Observation of relativistic bond weakening in seaborgium hexacarbonyl Alexander Yakushev · Jadambaa Khuyagbaatar · Christoph E. Düllmann · Valeria Pershina · Matthias Schädel · Jochen Ballof · Pavel Bartl · Michael Block · Raul-Andrei Cantemir · Dominik Dietzel · Francesca Giacoppo · Katharina Hermainski · Rolf-Dietmar Herzberg · Jan John · Jörg Krier · Nikolaus Kurz · Sven Löchner · Moumita Maiti · Pavol Mošať · Sebastian Raeder · Tetsuya K. Sato · Brigitta Schausten · Juha Uusitalo · Peter Wieczorek 7 Ottobre 2026 ore 02:00

Observation of relativistic bond weakening in seaborgium hexacarbonyl

di: Alexander Yakushev · Jadambaa Khuyagbaatar · Christoph E. Düllmann · Valeria Pershina · Matthias Schädel · Jochen Ballof · Pavel Bartl · Michael Block · Raul-Andrei Cantemir · Dominik Dietzel · Francesca Giacoppo · Katharina Hermainski · Rolf-Dietmar Herzberg · Jan John · Jörg Krier · Nikolaus Kurz · Sven Löchner · Moumita Maiti · Pavol Mošať · Sebastian Raeder · Tetsuya K. Sato · Brigitta Schausten · Juha Uusitalo · Peter Wieczorek

7 Ottobre 2026 ore 02:00

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 to relativistic bond weakening effects.