A novel trinuclear palladium cluster compound: di-μ3-chloro-tris­[chloro(tri­phenyl­phosphine-P)­palladium] acetone solvate

The title triangular tripalladium cluster, [Pd3­Cl5­(C18­H15P)3]·­C3H6O, (I), has a trigonal‐bipyramidal framework of Pd3(μ3‐Cl)2, with the two Cl atoms in apical positions. Each Pd atom in the framework has two additional coordination sites to establish square‐planar cis‐PdL2(μ3‐Cl)2 geometry. Thre...

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Bibliographic Details
Published in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2000-04, Vol.56 (4), p.414-415
Main Authors: Sugimoto, Kunihisa, Kuroda-Sowa, Takayoshi, Yan, Sheng-Gang, Maekawa, Masahiko, Munakata, Mugumu
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Inorganic compounds
Metal complexes
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Summary:The title triangular tripalladium cluster, [Pd3­Cl5­(C18­H15P)3]·­C3H6O, (I), has a trigonal‐bipyramidal framework of Pd3(μ3‐Cl)2, with the two Cl atoms in apical positions. Each Pd atom in the framework has two additional coordination sites to establish square‐planar cis‐PdL2(μ3‐Cl)2 geometry. Three P atoms are located on the same side of the plane defined by the Pd3 triangle, which leads to a pseudo‐C3v symmetry for the core framework of Pd3(μ3‐Cl)2P3Cl3. The average Pd—Cl distance trans to PPh3 is 2.473 (8) Å, which is significantly longer than the average Pd—Cl distance of 2.294 (4) Å for those trans to terminal Cl, due to the strong trans effect of a P atom compared with a Cl atom. Compound (I) has 49 valence electrons and shows a rhombic electron‐spin resonance signal, indicating an S = ½ ground state.
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270199016509