Aromaticity and π-bond covalency: prominent intermolecular covalent bonding interaction of a Kekulé hydrocarbon with very significant singlet biradical character

Akihiro Shimizu, Yasukazu Hirao, Kouzou Matsumoto, Hiroyuki Kurata, Takashi Kubo, Mikio Uruichi, Kyuya Yakushi
  • Chemical Communications, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2cc31955a