pancake bond

English

Noun

pancake bond (plural pancake bonds)

  1. (chemistry) A type of chemical bond most prominently observed in polycyclic hydrocarbons, in which the nuclear distance between molecular constituents reaches or exceeds a bond length of approximately 305 pm.
    • 2012, Habtamu Z. Beneberu, Yong-Hui Tian, Miklos Kertesz, PCCP, 2012,14, 10713-10725:
      Unusually long bonds or short intermolecular contacts occur in the title compounds reminiscent of pancake bonding. Pancake bonding interactions seem analogous to π-stacking interactions, but they display much shorter contact distances than normally seen in van der Waals (vdW) dimers.
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