Diphenyldichalcogenide complexes of iron, chromium and rhenium carbonyls

Yu V. Torubaev; A. A. Pasynskii; A. V. Pavlova

doi:10.1134/S1070328412120056

Diphenyldichalcogenide complexes of iron, chromium and rhenium carbonyls

Yu V. Torubaev, A. A. Pasynskii, A. V. Pavlova

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

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Abstract

The substitution of a labile THF ligand in Cr(CO)₅(THF) by the Ph₂Se₂ molecule provided the monomeric complex Cr(CO)₅(Ph₂Se₂) (I). The similar diiodo-tricarbonyl-iron complex (CO)₃FeI₂(Ph₂Se₂) (II) (along with [(CO)₃Fe(μ-SePh)₃Fe(CO)₃]⁺(I₅)-(III) as a by-product) was separated upon the treatment of "phenylselenyl iodide" [PhSeI] with iron pentacarbonyl, Fe(CO)₅. Complex II is isostructural with the known tellurium-containing analogue, (CO)₃FeI₂(Te₂Ph₂). The latter have provided the dimeric tellurophe-nyl bridged iodo-tricarbonyl-iron complex [(CO)₃IFe(μ-TePh)]₂ (IV) under action of the excess of Fe(CO)₅. Its bromide analogue [(CO)₃BrFe(μ-TePh)]₂ (V) was prepared upon the treatment of PhTeBr with the excess of Fe(CO)₅. The reaction of [PhSeI] with Re(CO)₅Cl afforded only [(CO)₆Re₂(μ-I)₂(μ-Se₂Ph₂)] (VI) in contrast to the (CO)₃Re(PhTeI)₃(μ₃-I) formation in similar known reaction of [PhTeI]. The molecular and crystal structures of I-VI is discussed.

Original language	English
Pages (from-to)	724-732
Number of pages	9
Journal	Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Volume	38
Issue number	12
DOIs	https://doi.org/10.1134/S1070328412120056
State	Published - 1 Dec 2012
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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title = "Diphenyldichalcogenide complexes of iron, chromium and rhenium carbonyls",

abstract = "The substitution of a labile THF ligand in Cr(CO)5(THF) by the Ph2Se2 molecule provided the monomeric complex Cr(CO)5(Ph2Se2) (I). The similar diiodo-tricarbonyl-iron complex (CO)3FeI2(Ph2Se2) (II) (along with [(CO)3Fe(μ-SePh)3Fe(CO)3]+(I5)-(III) as a by-product) was separated upon the treatment of {"}phenylselenyl iodide{"} [PhSeI] with iron pentacarbonyl, Fe(CO)5. Complex II is isostructural with the known tellurium-containing analogue, (CO)3FeI2(Te2Ph2). The latter have provided the dimeric tellurophe-nyl bridged iodo-tricarbonyl-iron complex [(CO)3IFe(μ-TePh)]2 (IV) under action of the excess of Fe(CO)5. Its bromide analogue [(CO)3BrFe(μ-TePh)]2 (V) was prepared upon the treatment of PhTeBr with the excess of Fe(CO)5. The reaction of [PhSeI] with Re(CO)5Cl afforded only [(CO)6Re2(μ-I)2(μ-Se2Ph2)] (VI) in contrast to the (CO)3Re(PhTeI)3(μ3-I) formation in similar known reaction of [PhTeI]. The molecular and crystal structures of I-VI is discussed.",

author = "Torubaev, {Yu V.} and Pasynskii, {A. A.} and Pavlova, {A. V.}",

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N2 - The substitution of a labile THF ligand in Cr(CO)5(THF) by the Ph2Se2 molecule provided the monomeric complex Cr(CO)5(Ph2Se2) (I). The similar diiodo-tricarbonyl-iron complex (CO)3FeI2(Ph2Se2) (II) (along with [(CO)3Fe(μ-SePh)3Fe(CO)3]+(I5)-(III) as a by-product) was separated upon the treatment of "phenylselenyl iodide" [PhSeI] with iron pentacarbonyl, Fe(CO)5. Complex II is isostructural with the known tellurium-containing analogue, (CO)3FeI2(Te2Ph2). The latter have provided the dimeric tellurophe-nyl bridged iodo-tricarbonyl-iron complex [(CO)3IFe(μ-TePh)]2 (IV) under action of the excess of Fe(CO)5. Its bromide analogue [(CO)3BrFe(μ-TePh)]2 (V) was prepared upon the treatment of PhTeBr with the excess of Fe(CO)5. The reaction of [PhSeI] with Re(CO)5Cl afforded only [(CO)6Re2(μ-I)2(μ-Se2Ph2)] (VI) in contrast to the (CO)3Re(PhTeI)3(μ3-I) formation in similar known reaction of [PhTeI]. The molecular and crystal structures of I-VI is discussed.

AB - The substitution of a labile THF ligand in Cr(CO)5(THF) by the Ph2Se2 molecule provided the monomeric complex Cr(CO)5(Ph2Se2) (I). The similar diiodo-tricarbonyl-iron complex (CO)3FeI2(Ph2Se2) (II) (along with [(CO)3Fe(μ-SePh)3Fe(CO)3]+(I5)-(III) as a by-product) was separated upon the treatment of "phenylselenyl iodide" [PhSeI] with iron pentacarbonyl, Fe(CO)5. Complex II is isostructural with the known tellurium-containing analogue, (CO)3FeI2(Te2Ph2). The latter have provided the dimeric tellurophe-nyl bridged iodo-tricarbonyl-iron complex [(CO)3IFe(μ-TePh)]2 (IV) under action of the excess of Fe(CO)5. Its bromide analogue [(CO)3BrFe(μ-TePh)]2 (V) was prepared upon the treatment of PhTeBr with the excess of Fe(CO)5. The reaction of [PhSeI] with Re(CO)5Cl afforded only [(CO)6Re2(μ-I)2(μ-Se2Ph2)] (VI) in contrast to the (CO)3Re(PhTeI)3(μ3-I) formation in similar known reaction of [PhTeI]. The molecular and crystal structures of I-VI is discussed.

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Diphenyldichalcogenide complexes of iron, chromium and rhenium carbonyls

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