title: Reduction of [Cp*Sb]4with Subvalent Main-Group Metal Reductants: Syntheses and Structures of [(L1Mg)4(Sb4)] and [(L2Ga)2(Sb4)] Containing Edge-Missing Sb4Units.
abstract: [Cp*Sb]4(Cp*=C5Me5) reacts with [L1Mg]2and L2Ga with formation of [(L1Mg)4(μ4,η1:2:2:2-Sb4)] (L1=iPr2NC[N(2,6-iPr2C6H3)]2, 1) and [(L2Ga)2(μ,η2:2-Sb4)] (L2=HC[C(Me)N(2,6-iPr2C6H3)]2, 2). The cleavage of the Sb-Sb and Sb-C bonds in [Cp*Sb]4are the crucial steps in both reactions. The formation of 1 occurred by elimination of the Cp* anion and formation of Cp*MgL1, while 2 was formed by reductive elimination of Cp*2and oxidative addition of L2Ga to the Sb4unit. 1 and 2 were characterized by heteronuclear NMR spectroscopy and single-crystal X-ray diffraction, and their bonding situation was studied by quantum chemical calculations.
authors.affiliation: Faculty of Chemistry and Center for NanoIntegration (CENIDE), University of Duisburg-Essen, Universitätsstr. 5-7, S07 S03 C30, 45117, Essen, Germany.
authors.forename: Chelladurai
authors.initials: C
authors.lastname: Ganesamoorthy
authors.affiliation: Faculty of Chemistry and Center for NanoIntegration (CENIDE), University of Duisburg-Essen, Universitätsstr. 5-7, S07 S03 C30, 45117, Essen, Germany.
authors.forename: Julia
authors.initials: J
authors.lastname: Krüger
authors.affiliation: Faculty of Chemistry and Center for NanoIntegration (CENIDE), University of Duisburg-Essen, Universitätsstr. 5-7, S07 S03 C30, 45117, Essen, Germany.
authors.forename: Christoph
authors.initials: C
authors.lastname: Wölper
authors.affiliation: Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Academician Lavrentiev Avenue 3, 630090, Novosibirsk, Russian Federation.|Novosibirsk State University, Pirogova Street 2, 630090, Novosibirsk, Russian Federation.
authors.forename: Anton S
authors.initials: AS
authors.lastname: Nizovtsev
authors.affiliation: Faculty of Chemistry and Center for NanoIntegration (CENIDE), University of Duisburg-Essen, Universitätsstr. 5-7, S07 S03 C30, 45117, Essen, Germany.
authors.forename: Stephan
authors.identifier: http://orcid.org/0000-0003-2896-4488
authors.initials: S
authors.lastname: Schulz
keywords: Zintl ions; antimony; cluster compounds; main-group elements; subvalent compounds