TY - JOUR
T1 - Synthesis, Molecular Structure, and Reactivity of the Tetranuclear Complex [NBu4]2[Pd4(μ-PPh2) 2(μ-Cl)4(C6F5)4]. Molecular Structure of [Pd2(μ-PPh2)(C6F 5)2(bipy)2]ClO4-C6H 14
AU - Alonso, Ester
AU - Fomiés, Juan
AU - Fortuño, Consuelo
AU - Martín, Antonio
AU - Rosair, Georgina M.
AU - Welch, Alan J.
PY - 1997
Y1 - 1997
N2 - Anionic tetranuclear complexes with the molecular formula [NBu4]2[Pd4(µ-PPh2) 2(µ-X)4(C6F5)4] [X = Cl (1), Br (2)] were obtained by reaction of [NBu4]2[Pd2(µ-PPh2) 2(C6F5)4] and PdCl2 (or K2[PdCl4]) in acetone, followed by reaction with KBr for 2. The reactions of 1 with neutral monodentate (L) or bidentate (L-L) ligands afford the dinuclear derivatives [Pd2(µ-PPh2)(µ-Cl)(C6F5) 2L2] [L = PPh3 (3), py (4)] or [Pd2(µ-PPh2)(C6F5) 2(L-L)2]n [n = 1-, L-L = acac (6); n = 1+, L-L = bipy (7) or phen (8)]. The structures of complexes 1 and 7 were determined by single-crystal X-ray diffraction studies. The bis(acetone) solvate of complex 1, [NBu4]2[Pd4(µ-PPh2) 2(µ-Cl)4(C6F5) 4]·2C3H6O, crystallizes in the monoclinic system, space group P21/c, with a = 11.679(5) Å, b = 16.552(7) Å, c = 23.868(8) Å, ß= 101.10(3)°, V = 4527.6(15) Å3, and Z = 2. The central core of the anion has the shape of a rectangle with the four Pd atoms in the corners. The hexane solvate of complex 7, [Pd2(µ-PPh2)(C6F5) 2(bipy)2][ClO4]·C6H 14, crystallizes in the monoclinic system, space group P21/n, with a = 16.214(3) Å, b = 10.311(2) Å, c = 28.380(6) Å, ß= 100.82(3)°, V = 4660(2) Å3, and Z = 4. In both complexes, the long Pd?Pd distances (>3.1 Å) clearly point to the absence of any Pd-Pd interaction.
AB - Anionic tetranuclear complexes with the molecular formula [NBu4]2[Pd4(µ-PPh2) 2(µ-X)4(C6F5)4] [X = Cl (1), Br (2)] were obtained by reaction of [NBu4]2[Pd2(µ-PPh2) 2(C6F5)4] and PdCl2 (or K2[PdCl4]) in acetone, followed by reaction with KBr for 2. The reactions of 1 with neutral monodentate (L) or bidentate (L-L) ligands afford the dinuclear derivatives [Pd2(µ-PPh2)(µ-Cl)(C6F5) 2L2] [L = PPh3 (3), py (4)] or [Pd2(µ-PPh2)(C6F5) 2(L-L)2]n [n = 1-, L-L = acac (6); n = 1+, L-L = bipy (7) or phen (8)]. The structures of complexes 1 and 7 were determined by single-crystal X-ray diffraction studies. The bis(acetone) solvate of complex 1, [NBu4]2[Pd4(µ-PPh2) 2(µ-Cl)4(C6F5) 4]·2C3H6O, crystallizes in the monoclinic system, space group P21/c, with a = 11.679(5) Å, b = 16.552(7) Å, c = 23.868(8) Å, ß= 101.10(3)°, V = 4527.6(15) Å3, and Z = 2. The central core of the anion has the shape of a rectangle with the four Pd atoms in the corners. The hexane solvate of complex 7, [Pd2(µ-PPh2)(C6F5) 2(bipy)2][ClO4]·C6H 14, crystallizes in the monoclinic system, space group P21/n, with a = 16.214(3) Å, b = 10.311(2) Å, c = 28.380(6) Å, ß= 100.82(3)°, V = 4660(2) Å3, and Z = 4. In both complexes, the long Pd?Pd distances (>3.1 Å) clearly point to the absence of any Pd-Pd interaction.
UR - http://www.scopus.com/inward/record.url?scp=0001259739&partnerID=8YFLogxK
M3 - Article
SN - 1520-510X
VL - 36
SP - 4426
EP - 4431
JO - Inorganic Chemistry
JF - Inorganic Chemistry
IS - 20
ER -