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Beschreibungen/Notizen
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.