A rhenium(V)-arylimide species incorporating pyridine-2-aldimine chelation

Sangeeta Banerjee; Sibaprasad Bhattacharyya; Indranil Chakraborty; Bimal Kumar Dirghangi

doi:10.1107/S0108270199010732

A rhenium(V)-arylimide species incorporating pyridine-2-aldimine chelation

Sangeeta Banerjee, Sibaprasad Bhattacharyya, Indranil Chakraborty, Bimal Kumar Dirghangi

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

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Abstract

The title compound, (4-aminophenylimido)trichloro[2-(4-chlorophenyliminomethyl)pyridine]rhenium(V), [Re-(NC₆H₄NH₂)Cl₃(ClA)], where ClA is N-(p-chlorophenyl)pyridine-2-aldimine (p-ClC₆H₄N=CHC₅H₄N), was synthesized by reacting the corresponding oxo complex, [ReOCl₃(ClA)], or the corresponding phosphine oxide complex, [Re(OPPh₃)Cl₃(ClA)], with p-phenylenediamine in toluene. The structure determination revealed that the ReCl₃N₃ coordination sphere is severely distorted from octahedral geometry and that it has a meridional ReCl₃ fragment. The Re - N - C angle in the imide part is nearly linear and the Re - N_imide bond can be considered to be triple bond in character. The Re atom is distorted towards the imide N atom by 0.29 Å from the equatorial Cl₃N_imine plane. The Re - N_pyridine bond is longer by 0.15 Å than the Re - N_imine bond due to the trans influence of the imide fragment.

Original language	English (US)
Pages (from-to)	2000-2002
Number of pages	3
Journal	Acta Crystallographica Section C: Crystal Structure Communications
Volume	55
Issue number	12
DOIs	https://doi.org/10.1107/S0108270199010732
State	Published - Dec 15 1999
Externally published	Yes

ASJC Scopus subject areas

Biochemistry, Genetics and Molecular Biology(all)

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@article{b1fabccaec0640fa9612bec129325c8a,

title = "A rhenium(V)-arylimide species incorporating pyridine-2-aldimine chelation",

abstract = "The title compound, (4-aminophenylimido)trichloro[2-(4-chlorophenyliminomethyl)pyridine]rhenium(V), [Re-(NC6H4NH2)Cl3(ClA)], where ClA is N-(p-chlorophenyl)pyridine-2-aldimine (p-ClC6H4N=CHC5H4N), was synthesized by reacting the corresponding oxo complex, [ReOCl3(ClA)], or the corresponding phosphine oxide complex, [Re(OPPh3)Cl3(ClA)], with p-phenylenediamine in toluene. The structure determination revealed that the ReCl3N3 coordination sphere is severely distorted from octahedral geometry and that it has a meridional ReCl3 fragment. The Re - N - C angle in the imide part is nearly linear and the Re - Nimide bond can be considered to be triple bond in character. The Re atom is distorted towards the imide N atom by 0.29 {\AA} from the equatorial Cl3Nimine plane. The Re - Npyridine bond is longer by 0.15 {\AA} than the Re - Nimine bond due to the trans influence of the imide fragment.",

author = "Sangeeta Banerjee and Sibaprasad Bhattacharyya and Indranil Chakraborty and Dirghangi, {Bimal Kumar}",

year = "1999",

month = dec,

day = "15",

doi = "10.1107/S0108270199010732",

language = "English (US)",

volume = "55",

pages = "2000--2002",

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T1 - A rhenium(V)-arylimide species incorporating pyridine-2-aldimine chelation

AU - Banerjee, Sangeeta

AU - Bhattacharyya, Sibaprasad

AU - Chakraborty, Indranil

AU - Dirghangi, Bimal Kumar

PY - 1999/12/15

Y1 - 1999/12/15

N2 - The title compound, (4-aminophenylimido)trichloro[2-(4-chlorophenyliminomethyl)pyridine]rhenium(V), [Re-(NC6H4NH2)Cl3(ClA)], where ClA is N-(p-chlorophenyl)pyridine-2-aldimine (p-ClC6H4N=CHC5H4N), was synthesized by reacting the corresponding oxo complex, [ReOCl3(ClA)], or the corresponding phosphine oxide complex, [Re(OPPh3)Cl3(ClA)], with p-phenylenediamine in toluene. The structure determination revealed that the ReCl3N3 coordination sphere is severely distorted from octahedral geometry and that it has a meridional ReCl3 fragment. The Re - N - C angle in the imide part is nearly linear and the Re - Nimide bond can be considered to be triple bond in character. The Re atom is distorted towards the imide N atom by 0.29 Å from the equatorial Cl3Nimine plane. The Re - Npyridine bond is longer by 0.15 Å than the Re - Nimine bond due to the trans influence of the imide fragment.

AB - The title compound, (4-aminophenylimido)trichloro[2-(4-chlorophenyliminomethyl)pyridine]rhenium(V), [Re-(NC6H4NH2)Cl3(ClA)], where ClA is N-(p-chlorophenyl)pyridine-2-aldimine (p-ClC6H4N=CHC5H4N), was synthesized by reacting the corresponding oxo complex, [ReOCl3(ClA)], or the corresponding phosphine oxide complex, [Re(OPPh3)Cl3(ClA)], with p-phenylenediamine in toluene. The structure determination revealed that the ReCl3N3 coordination sphere is severely distorted from octahedral geometry and that it has a meridional ReCl3 fragment. The Re - N - C angle in the imide part is nearly linear and the Re - Nimide bond can be considered to be triple bond in character. The Re atom is distorted towards the imide N atom by 0.29 Å from the equatorial Cl3Nimine plane. The Re - Npyridine bond is longer by 0.15 Å than the Re - Nimine bond due to the trans influence of the imide fragment.

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A rhenium(V)-arylimide species incorporating pyridine-2-aldimine chelation

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