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Do you fancy a story going from simplicity to complexity, if not absurdity, in three easy steps? Read on! The following problem appears in one of our (past) examination questions in introductory organic chemistry. From relatively mundane beginnings, one can rapidly find oneself in very unexpected territory. One teaches how to disconnect each group, identifying [...]

Posts linking to this one

Contributed by Steven Bachrach.Reposted from Computational Organic Chemistry with permissionA short note here mainly to call to the readers attention a fascinating trialogue on the C2 molecule.1Shaik, Danovich, Wu, Su, Rzepa, and Hiberty2 recently...
A short note here mainly to call to the readers attention a fascinating trialogue on the C2 molecule.1 Shaik, Danovich, Wu, Su, Rzepa, and Hiberty2 recently presented a full CI study of C2 and concluded that the molecule contains a quadruple bond (see my previous...
Sason Shaik, David Danovich, Wei Wu, Peifeng Su, Henry S. Rzepa, Philippe C. Hiberty, Nature Chemistry 2012, 4, 195 (Paywall)Contributed by Steven Bachrach.Reposted from Computational Organic Chemistry with permissionInspired by a blog post...
Inspired by a blog post of Henry Rzepa (see here) Shaik and co-workers examined the C2 species with an eye towards the nature of the bond between the two carbon atoms.1 Using both a valence bond approach and a full CI approach, they end up at the same place:...