Synthesis and Structure of [(NMe2)3TiFe(CO)2(Cp)]: A Stable Iron-TItanlum Bond

William J. Sartain; John P. Selegue

doi:10.1021/om00151a034

Synthesis and Structure of [(NMe₂)₃TiFe(CO)₂(Cp)]: A Stable Iron-TItanlum Bond

William J. Sartain, John P. Selegue

Chemistry

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Abstract

:[Ti(NMe₂)₄] reacts with [FeH(CO)₂(Cp)] to form [(NMe₂)₃TiFe(CO)₂(Cp)] (1), by the elimination of 1 equiv of HNMe₂. This compound was spectroscopically characterized, and its structure was determined by sin-gle-crystal X-ray diffraction (R = 4.0%, R_w= 4.4%). There is a direct, unsupported bond between iron and titanium in 1, with bond lengths of 2.567 (1) and 2.569 (1) Å in two independent molecules. The relative orientation of the ligands on iron and titanium suggests that there may be a π-component of the metal-metal bond. Amide methyl groups distal to iron show unusually obtuse Ti-N-C angles of about 130°. Analogous complexes with alkoxide ligands on titanium are more labile than 1.

Original language	English
Pages (from-to)	1812-1815
Number of pages	4
Journal	Organometallics
Volume	6
Issue number	8
DOIs	https://doi.org/10.1021/om00151a034
State	Published - Aug 1 1987

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "Synthesis and Structure of [(NMe2)3TiFe(CO)2(Cp)]: A Stable Iron-TItanlum Bond",

abstract = ":[Ti(NMe2)4] reacts with [FeH(CO)2(Cp)] to form [(NMe2)3TiFe(CO)2(Cp)] (1), by the elimination of 1 equiv of HNMe2. This compound was spectroscopically characterized, and its structure was determined by sin-gle-crystal X-ray diffraction (R = 4.0%, Rw= 4.4%). There is a direct, unsupported bond between iron and titanium in 1, with bond lengths of 2.567 (1) and 2.569 (1) {\AA} in two independent molecules. The relative orientation of the ligands on iron and titanium suggests that there may be a π-component of the metal-metal bond. Amide methyl groups distal to iron show unusually obtuse Ti-N-C angles of about 130°. Analogous complexes with alkoxide ligands on titanium are more labile than 1.",

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T1 - Synthesis and Structure of [(NMe2)3TiFe(CO)2(Cp)]

T2 - A Stable Iron-TItanlum Bond

AU - Sartain, William J.

AU - Selegue, John P.

PY - 1987/8/1

Y1 - 1987/8/1

N2 - :[Ti(NMe2)4] reacts with [FeH(CO)2(Cp)] to form [(NMe2)3TiFe(CO)2(Cp)] (1), by the elimination of 1 equiv of HNMe2. This compound was spectroscopically characterized, and its structure was determined by sin-gle-crystal X-ray diffraction (R = 4.0%, Rw= 4.4%). There is a direct, unsupported bond between iron and titanium in 1, with bond lengths of 2.567 (1) and 2.569 (1) Å in two independent molecules. The relative orientation of the ligands on iron and titanium suggests that there may be a π-component of the metal-metal bond. Amide methyl groups distal to iron show unusually obtuse Ti-N-C angles of about 130°. Analogous complexes with alkoxide ligands on titanium are more labile than 1.

AB - :[Ti(NMe2)4] reacts with [FeH(CO)2(Cp)] to form [(NMe2)3TiFe(CO)2(Cp)] (1), by the elimination of 1 equiv of HNMe2. This compound was spectroscopically characterized, and its structure was determined by sin-gle-crystal X-ray diffraction (R = 4.0%, Rw= 4.4%). There is a direct, unsupported bond between iron and titanium in 1, with bond lengths of 2.567 (1) and 2.569 (1) Å in two independent molecules. The relative orientation of the ligands on iron and titanium suggests that there may be a π-component of the metal-metal bond. Amide methyl groups distal to iron show unusually obtuse Ti-N-C angles of about 130°. Analogous complexes with alkoxide ligands on titanium are more labile than 1.

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Synthesis and Structure of [(NMe₂)₃TiFe(CO)₂(Cp)]: A Stable Iron-TItanlum Bond

Abstract

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