Synthesis and structural characterization of bimetallic iron-nickel carbido cluster complexes

Sumit Saha; Lei Zhu; Burjor Captain

doi:10.1021/ic100057x

Synthesis and structural characterization of bimetallic iron-nickel carbido cluster complexes

Sumit Saha, Lei Zhu, Burjor Captain

Chemistry

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

In acetonitrile solvent, Fe₅(CO)₁₅(μ₅- C), 1, reacts with Ni(COD)₂ at room temperature to afford the iron-nickel complex Fe₅NI(NCMe)(CO)₁₅(μ₆-C), 3. The acetonitrile ligand In 3 can be replaced by CO and NH₃ to yield Fe₅Ni(CO)₁₆(μ₆-C), 4, and Fe ₅Ni(NH₃)(CO)₁₅(μ₆-C), 6, respectively. When refluxed In acetonitrile solvent, compound 3 loses a vertex to form the square pyramidal Fe₄Ni complex Fe₄Ni(NCMe) ₂(CO)₁₂(μ₅-C), 7. Compound 7 readily converts to Fe₄Ni(NCMe)(CO)₁₃(μ₅-C), 8, by losing one of Its acetonitrile ligands. Addition of acetonitrile to 8 gives compound 7. When heated to 110 o°C under an atmosphere of CO, both compounds 7 and 8 furnish the octahedral Fe₄NI₂ complex Fe ₄Ni₂(CO)₁₅(μ₆-C), 9. All six compounds were structurally characterized by single-crystal X-ray diffraction analyses.

Original language	English (US)
Pages (from-to)	3465-3472
Number of pages	8
Journal	Inorganic Chemistry
Volume	49
Issue number	7
DOIs	https://doi.org/10.1021/ic100057x
State	Published - Apr 5 2010

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "Synthesis and structural characterization of bimetallic iron-nickel carbido cluster complexes",

abstract = "In acetonitrile solvent, Fe5(CO)15(μ5- C), 1, reacts with Ni(COD)2 at room temperature to afford the iron-nickel complex Fe5NI(NCMe)(CO)15(μ6-C), 3. The acetonitrile ligand In 3 can be replaced by CO and NH3 to yield Fe5Ni(CO)16(μ6-C), 4, and Fe 5Ni(NH3)(CO)15(μ6-C), 6, respectively. When refluxed In acetonitrile solvent, compound 3 loses a vertex to form the square pyramidal Fe4Ni complex Fe4Ni(NCMe) 2(CO)12(μ5-C), 7. Compound 7 readily converts to Fe4Ni(NCMe)(CO)13(μ5-C), 8, by losing one of Its acetonitrile ligands. Addition of acetonitrile to 8 gives compound 7. When heated to 110 o°C under an atmosphere of CO, both compounds 7 and 8 furnish the octahedral Fe4NI2 complex Fe 4Ni2(CO)15(μ6-C), 9. All six compounds were structurally characterized by single-crystal X-ray diffraction analyses.",

author = "Sumit Saha and Lei Zhu and Burjor Captain",

year = "2010",

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doi = "10.1021/ic100057x",

language = "English (US)",

volume = "49",

pages = "3465--3472",

journal = "Inorganic Chemistry",

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AU - Saha, Sumit

AU - Zhu, Lei

AU - Captain, Burjor

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N2 - In acetonitrile solvent, Fe5(CO)15(μ5- C), 1, reacts with Ni(COD)2 at room temperature to afford the iron-nickel complex Fe5NI(NCMe)(CO)15(μ6-C), 3. The acetonitrile ligand In 3 can be replaced by CO and NH3 to yield Fe5Ni(CO)16(μ6-C), 4, and Fe 5Ni(NH3)(CO)15(μ6-C), 6, respectively. When refluxed In acetonitrile solvent, compound 3 loses a vertex to form the square pyramidal Fe4Ni complex Fe4Ni(NCMe) 2(CO)12(μ5-C), 7. Compound 7 readily converts to Fe4Ni(NCMe)(CO)13(μ5-C), 8, by losing one of Its acetonitrile ligands. Addition of acetonitrile to 8 gives compound 7. When heated to 110 o°C under an atmosphere of CO, both compounds 7 and 8 furnish the octahedral Fe4NI2 complex Fe 4Ni2(CO)15(μ6-C), 9. All six compounds were structurally characterized by single-crystal X-ray diffraction analyses.

AB - In acetonitrile solvent, Fe5(CO)15(μ5- C), 1, reacts with Ni(COD)2 at room temperature to afford the iron-nickel complex Fe5NI(NCMe)(CO)15(μ6-C), 3. The acetonitrile ligand In 3 can be replaced by CO and NH3 to yield Fe5Ni(CO)16(μ6-C), 4, and Fe 5Ni(NH3)(CO)15(μ6-C), 6, respectively. When refluxed In acetonitrile solvent, compound 3 loses a vertex to form the square pyramidal Fe4Ni complex Fe4Ni(NCMe) 2(CO)12(μ5-C), 7. Compound 7 readily converts to Fe4Ni(NCMe)(CO)13(μ5-C), 8, by losing one of Its acetonitrile ligands. Addition of acetonitrile to 8 gives compound 7. When heated to 110 o°C under an atmosphere of CO, both compounds 7 and 8 furnish the octahedral Fe4NI2 complex Fe 4Ni2(CO)15(μ6-C), 9. All six compounds were structurally characterized by single-crystal X-ray diffraction analyses.

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Synthesis and structural characterization of bimetallic iron-nickel carbido cluster complexes

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