title: Synthesis, structural-bonding-magnetic study, and proton NMR analysis of the temperature-dependent singlet-triplet solution equilibrium of the 46-electron tricobalt tris(pentamethylcyclopentadienyl) dicarbonyl, Co3(.eta.5-C5Me5)3(.mu.3-CO)2:  an isolobal analog of the elusive antiaromatic cyclopropenyl monoanion.
authors.forename: W L
authors.initials: WL
authors.lastname: Olson
authors.forename: A M
authors.initials: AM
authors.lastname: Stacy
authors.forename: L F
authors.initials: LF
authors.lastname: Dahl