title: Concave Butterfly-Shaped Organometallic Hydrocarbons? U.H.F.B. and M.L. thank the NSF for generous support (CAREER, CHE 9981765, 2000-2004). U.H.F.B. is Camille Dreyfus Teacher-Scholar (2000-2004).
authors.affiliation: Department of Chemistry and Biochemistry The University of South Carolina Columbia, SC 29208 (USA) Fax (+1) 803-777-9521.
authors.forename: Matthew
authors.initials: M
authors.lastname: Laskoski
authors.forename: Gaby
authors.initials: G
authors.lastname: Roidl
authors.forename: Mark D.
authors.initials: MD
authors.lastname: Smith
authors.forename: Uwe H. F.
authors.initials: UH
authors.lastname: Bunz