title: Homoleptic Phosphaalkyne Complexes of Silver(I).
abstract: By employing silver salts with a weakly coordinating anion Ag[A] ([A]=[FAl{OC12F15}3], [Al{OC(CF3)3}4]), two phosphaalkynes could be coordinated side-on to a bare silver(I) center to form the unprecedented homoleptic complexes [Ag(η2-P≡CtBu)2][FAl{OC12F15}3] (1) and [Ag(η2-P≡CtBu)2][Al{OC(CF3)3}4] (2). DFT calculations show that the perpendicular arrangement in 1 is the minimum energy structure of the coordination of the two phosphaalkynes to a silver atom, whereas for 2 a unique square-planar coordination mode of the phosphaalkynes at Ag+was found. Reactions with donor molecules yield the trigonally planar coordinated silver salts [((CH3)2CO)Ag(η2-P≡CtBu)2][FAl{OC12F15}3] (3) and [(C7H8)2Ag(η2-P≡CtBu)][FAl{OC12F15}3] (4). All of the compounds were comprehensively characterized in solution and in the solid state.
authors.affiliation: University of Regensburg, Department of Inorganic Chemistry, 93040, Regensburg, Germany.
authors.forename: Eva-Maria
authors.initials: EM
authors.lastname: Rummel
authors.affiliation: Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica (DICATECh), Politecnico di Bari, Via Orabona 4, 70125, Bari, Italy.
authors.forename: Piero
authors.initials: P
authors.lastname: Mastrorilli
authors.affiliation: Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica (DICATECh), Politecnico di Bari, Via Orabona 4, 70125, Bari, Italy.
authors.forename: Stefano
authors.initials: S
authors.lastname: Todisco
authors.affiliation: Dipartimento di Ingegneria Civile, Ambientale, del Territorio, Edile e di Chimica (DICATECh), Politecnico di Bari, Via Orabona 4, 70125, Bari, Italy.
authors.forename: Mario
authors.initials: M
authors.lastname: Latronico
authors.affiliation: University of Regensburg, Department of Inorganic Chemistry, 93040, Regensburg, Germany.
authors.forename: Gábor
authors.initials: G
authors.lastname: Balázs
authors.affiliation: University of Regensburg, Department of Inorganic Chemistry, 93040, Regensburg, Germany.|Nikolaev Institute of Inorganic Chemistry SB RAS, Acad. Lavrentiev Ave. 3, Russia.|Novosibirsk State University, Pirogova 2, Novosibirsk, 630090, Russia.
authors.forename: Alexander V
authors.initials: AV
authors.lastname: Virovets
authors.affiliation: University of Regensburg, Department of Inorganic Chemistry, 93040, Regensburg, Germany. manfred.scheer@ur.de.
authors.forename: Manfred
authors.identifier: 0000-0003-2182-5020
authors.initials: M
authors.lastname: Scheer
keywords: homoleptic compounds; phosphaalkynes; side-on complexes; silver; weakly coordinating anions