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MON, 5 OCT · 80 ITEMS
"Uranium forms rare triple bond with carbon in first isolable compound" — Phys.org · Science & Medicine
Chemists have synthesized and isolated the first stable compound in which uranium forms a with carbon—a long-sought milestone in chemistry. Metal–carbon triple bonds are common for transition metals (e.g., molybdenum or tungsten), but uranium's large, diffuse orbitals make such bonds extremely challenging to stabilize. The work, published in a peer-reviewed journal, demonstrates that uranium can engage in this bonding mode under the right environment, opening new avenues for understanding actinide bonding and reactivity.
The claim is solid: it is based on a peer-reviewed research paper (the primary source) and reported by Phys.org, a reputable science news outlet. The reporting sits close to the original paper, and the provenance tier confirms it is a primary-source-level story. The search results also show a 2023 JACS paper on a related UC triple bond in a fullerene cage, but the current work claims the first
Genuinely new: the paper and news coverage were published on October 2, 2026.