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Isolation of palladium(lI) quinoline-2-thione (HqnS) and quinoline-2-thiolate (qnS) complexes: crystal structures of Pd(HqnS)(PMe3)Cl2, [Pd(HqnS)2(PMe3)Cl][Cl] andvic-Pd2(μ,N-Sη2-qnS)2(η1-qnS)2(PMe3)2

Authors
Journal
Inorganica Chimica Acta
0020-1693
Publisher
Elsevier
Publication Date
Volume
174
Issue
2
Identifiers
DOI: 10.1016/s0020-1693(00)80302-3

Abstract

Abstract Reaction of 2-quinolinethione, HqnS, with [PdCl(PR 3)μ-Cl] 2 ( 1) in acetone solution produces Pd(HqnS)(PMe 3)Cl 2 ( 2) or under more forcing conditions, [Pd(HqnS) 2(PMe 3)Cl][Cl] ( 3). Reaction of 1 with the conjugate anion, quinoline-2-thiolate, qnS, in ethanol gives rise to the unusual N-heterocycle-2-thiolate bridged dipalladium complex, vic-Pd 2(μ, N-Sη 2-qnS) 2(η 1-qnS) 2(PMe 3) 2 ( 4). The crystal and molecular structures of 2, 3·CH 2Cl 2 and 4 have been determined. Crystallographic data for 2: monoclinic P2 1/ n, Z = 4; a = 11.027(4), b = 11.230(6), c = 12.676(6) Å; β = 92.32(3)°; V = 1568.4(1) Å 3, ϱ calc = 1.756 g/cm 3. Crystallographic data for 3: triclinic P 1 , Z = 2; a = 8.902(3), b = 12.858(4), c = 13.303(6) Å; α = 89.28(3), β = 71.24(3), γ = 72.54(2)°; V = 1369.4(8) Å 3, ϱ calc = 1.597 g/cm 3. Crystallogrphic data for 4: monoclinic P2 1/ n, Z = 4 a = 8.902(3), b = 12.858(4), c = 13.303(6) Å; β = 107.25(3)°; V = 4216(3) Å 3, ϱ calc = 1.585 g/cm 3.

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