Bimetallic clusters of iron with palladium and platinum. Synthesis and structures of Fe2(CO)9[M(PBut 3)]2 (M = Pd or Pt) and Fe2(CO) 8[Pt(PBut3)]2(μ-H)2

Richard D. Adams, Burjor Captain, William C. Pearl

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The reaction of Fe2(CO)9 with Pd(PBut 3)2 and Pt(PBut3)2 yielded the Fe-Pd and Fe-Pt cluster complexes Fe2(CO) 9-[M(PBut3)]2, M = Pd (8) or Pt (9). The structures of 8 and 9 are analogous and consist of nearly planar butterfly clusters of two palladium/platinum atoms in the wing-tip positions and two mutually bonded iron atoms, Fe-Fe = 2.9582(11) Å in 8 and 2.9100 (9) Å in 9. Compound 8 decomposes to form the mononuclear iron compound Fe(CO)4(PBut3) (11) when heated at 68°C. The reaction of Pt(PBut3)2 with Fe 2(CO)9 in the presence of hydrogen at 127°C yielded the dihydrido complex Fe2(CO)8[Pt(PBut 3)]2(μ-H)2 (10). Compound 10 contains a closed Fe2Pt2 tetrahedral cluster with hydrido ligands bridging two of the Fe-R bonds. Compounds 8, 9, and 10 were structurally characterized crystallographically.

Original languageEnglish
Pages (from-to)8283-8287
Number of pages5
JournalInorganic Chemistry
Volume45
Issue number20
DOIs
StatePublished - Oct 2 2006
Externally publishedYes

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Palladium
Platinum
palladium
complex compounds
platinum
Iron
Iron Compounds
iron
Atoms
synthesis
wing tips
iron compounds
Hydrogen
Ligands
atoms
ligands
hydrogen
ferryl iron

ASJC Scopus subject areas

  • Inorganic Chemistry

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Bimetallic clusters of iron with palladium and platinum. Synthesis and structures of Fe2(CO)9[M(PBut 3)]2 (M = Pd or Pt) and Fe2(CO) 8[Pt(PBut3)]2(μ-H)2. / Adams, Richard D.; Captain, Burjor; Pearl, William C.

In: Inorganic Chemistry, Vol. 45, No. 20, 02.10.2006, p. 8283-8287.

Research output: Contribution to journalArticle

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abstract = "The reaction of Fe2(CO)9 with Pd(PBut 3)2 and Pt(PBut3)2 yielded the Fe-Pd and Fe-Pt cluster complexes Fe2(CO) 9-[M(PBut3)]2, M = Pd (8) or Pt (9). The structures of 8 and 9 are analogous and consist of nearly planar butterfly clusters of two palladium/platinum atoms in the wing-tip positions and two mutually bonded iron atoms, Fe-Fe = 2.9582(11) {\AA} in 8 and 2.9100 (9) {\AA} in 9. Compound 8 decomposes to form the mononuclear iron compound Fe(CO)4(PBut3) (11) when heated at 68°C. The reaction of Pt(PBut3)2 with Fe 2(CO)9 in the presence of hydrogen at 127°C yielded the dihydrido complex Fe2(CO)8[Pt(PBut 3)]2(μ-H)2 (10). Compound 10 contains a closed Fe2Pt2 tetrahedral cluster with hydrido ligands bridging two of the Fe-R bonds. Compounds 8, 9, and 10 were structurally characterized crystallographically.",
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N2 - The reaction of Fe2(CO)9 with Pd(PBut 3)2 and Pt(PBut3)2 yielded the Fe-Pd and Fe-Pt cluster complexes Fe2(CO) 9-[M(PBut3)]2, M = Pd (8) or Pt (9). The structures of 8 and 9 are analogous and consist of nearly planar butterfly clusters of two palladium/platinum atoms in the wing-tip positions and two mutually bonded iron atoms, Fe-Fe = 2.9582(11) Å in 8 and 2.9100 (9) Å in 9. Compound 8 decomposes to form the mononuclear iron compound Fe(CO)4(PBut3) (11) when heated at 68°C. The reaction of Pt(PBut3)2 with Fe 2(CO)9 in the presence of hydrogen at 127°C yielded the dihydrido complex Fe2(CO)8[Pt(PBut 3)]2(μ-H)2 (10). Compound 10 contains a closed Fe2Pt2 tetrahedral cluster with hydrido ligands bridging two of the Fe-R bonds. Compounds 8, 9, and 10 were structurally characterized crystallographically.

AB - The reaction of Fe2(CO)9 with Pd(PBut 3)2 and Pt(PBut3)2 yielded the Fe-Pd and Fe-Pt cluster complexes Fe2(CO) 9-[M(PBut3)]2, M = Pd (8) or Pt (9). The structures of 8 and 9 are analogous and consist of nearly planar butterfly clusters of two palladium/platinum atoms in the wing-tip positions and two mutually bonded iron atoms, Fe-Fe = 2.9582(11) Å in 8 and 2.9100 (9) Å in 9. Compound 8 decomposes to form the mononuclear iron compound Fe(CO)4(PBut3) (11) when heated at 68°C. The reaction of Pt(PBut3)2 with Fe 2(CO)9 in the presence of hydrogen at 127°C yielded the dihydrido complex Fe2(CO)8[Pt(PBut 3)]2(μ-H)2 (10). Compound 10 contains a closed Fe2Pt2 tetrahedral cluster with hydrido ligands bridging two of the Fe-R bonds. Compounds 8, 9, and 10 were structurally characterized crystallographically.

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