title: [Cyanil](2)(2-) dimers possess long, two-electron ten-center (2e(-)/10c) multicenter bonding.
abstract: A long, two-electron ten-center (2e(-)/10c) [8 carbon plus 2 oxygen] bond in diamagnetic dimers of radical-anion tetracyano-1,4-benzoquinoneide (cyanil, [Q] (-)), [Q](2)(2-), is described by B3LYP and CASSCF(2,2)/MCQDPT calculations.
authors.affiliation: Departament de Química Física & IQTCUB Facultat de Química, Universitat de Barcelona, Av. Diagona, l647, 08028, Barcelona, Spain.
authors.forename: Iñigo
authors.initials: I
authors.lastname: Garcia-Yoldi
authors.forename: Joel S
authors.initials: JS
authors.lastname: Miller
authors.forename: Juan J
authors.initials: JJ
authors.lastname: Novoa