title: Reaching the maximum multiplicity of the covalent chemical bond.
authors.affiliation: Department of Theoretical Chemistry, Chemical Center, P.O.B. 124, 221 00 Lund, Sweden. bjorn.roos@teokem.lu.se
authors.forename: Björn O
authors.initials: BO
authors.lastname: Roos
authors.forename: Antonio C
authors.initials: AC
authors.lastname: Borin
authors.forename: Laura
authors.initials: L
authors.lastname: Gagliardi