Synthesis and X-ray crystal structure of Fe(CO)2]O2CCH2P(C6H5)2]2, the first iron carbonyl complex with two carboxylate ligands

János Takács, László Markó, Paul Kiprof, Eberhardt Herdtweck, Wolfgang A. Herrmann

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Abstract

Fe(CO)2[O2CCH2P(C6H5)2]2 (I) was synthesized from FeSO4·7H2O and Na[O2CCH2P(C6H5)2] under CO pressure. The 18-electron compound has an octahedral coordination sphere around Fe2+. Two diphenylphosphinoacetate ligands are bonded to the iron through the phosphorus atoms and one of the oxygen atoms of the carboxylato groups. Two carbonyl groups and two carboxylato oxygen atoms are in cis positions to each other, while the phosphorus atoms adopt trans positions. The unit cell contains both enantiomers of the chiral octahedral compound.

Original languageEnglish (US)
Pages (from-to)1503-1507
Number of pages5
JournalPolyhedron
Volume8
Issue number12
DOIs
StatePublished - 1989
Externally publishedYes

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