title: Additivity and quantification of dispersive interactions--from cyclopropyl to nitro groups: measurements on porphyrin derivatives.
authors.affiliation: FR Organische Chemie der Universität des Saarlandes and Institut für Neue Materialien, 66041 Saarbrücken, Germany.
authors.forename: Tianjun
authors.initials: T
authors.lastname: Liu
authors.forename: Hans-Jörg
authors.initials: HJ
authors.lastname: Schneider