Eight‐Coordinate Metal Carbonyls Containing Only Monodentate Ligands. Syntheses and Structural Characterization of [nPr4N]2[(Ph3Sn)4M(Co)4], M = Zr, Hf

John E. Ellis, Kai‐Ming ‐M Chi, Anthony‐J ‐J DiMaio, Scott R. Frerichs, Jason R. Stenzel, Arnold L. Rheingold, Brian S. Haggerty

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Abstract

Two interpenetrating tetrahedra of carbonyl and triphenylstannyl groups form the highly symmetric dodecahedral coordination sphere of the zirconium atom in the complex dianion [(Ph3Sn)4Zr(CO)4]2⊖ (structure right with the phenyl groups of the Ph3Sn substituents omitted). The thermal stability of this highly reduced complex stabilized only by monodentate ligands is astounding: tetraammonium salts of this dianion decompose above 150°C! (Figure Presented.)

Original languageEnglish (US)
Pages (from-to)194-196
Number of pages3
JournalAngewandte Chemie International Edition in English
Volume30
Issue number2
DOIs
StatePublished - Feb 1991

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