Have you ever thought if the carbon-carbon (C-C) bond distance is always the same, or it can change? And if it changes, which is the maximum distance of this kind of bond? An article published in "Chemical & Engineering News!" addressed this topic. After this article was first published, Clara Viñas contacted C&EN to let them know that even longer carbon-carbon bonds exist than the ones they mentioned: In 2002, a team including Clara Viñas described a 2.022 Å long carbon-carbon bond in an inorganic cluster (Inorg. Chem. 2002, DOI: 10.1021/ic011285z).
To read the articles go to:
Why chemists are pushing C–C bonds to their limits, by Laura Howes. March 9, 2019. Volume 97, Issue 10.
What is a carbon-carbon bond? You might think this is a question with a simple answer, but chemists are still working to figure it out. To do so, they are pushing carbon-carbon bonds to their very limits. Amid claims about who holds the record for longest bond, a more detailed story of bonding is emerging.
April 20, 2019. Appeared in Volume 97, Issue 16.
Letters to the editor by Clara Viñas (Barcelona, Spain) and Joel S. Miller (Salt Lake City).
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