[Pd4(μ3-SbMe3)4(SbMe3)4]: A Pd(0) Tetrahedron with μ3-Bridging Trimethylantimony Ligands | Zendy

Sophie L. Benjamin | Zendy; Tobias Krämer | Zendy; William Levason | Zendy; Mark E. Light | Zendy; Stuart A. Macgregor | Zendy; Gillian Reid | Zendy

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[Pd₄(μ₃-SbMe₃)₄(SbMe₃)₄]: A Pd(0) Tetrahedron with μ₃-Bridging Trimethylantimony Ligands

Author(s) -

Sophie L. Benjamin,

Tobias Krämer,

William Levason,

Mark E. Light,

Stuart A. Macgregor,

Gillian Reid

Publication year - 2016

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/jacs.6b04060

Subject(s) - chemistry , tetrahedron , bridging (networking) , crystallography , computer network , computer science

The palladium(II) chlorostibine complex [PdCl2(SbMe2Cl)2]2 has a dimeric structure in the solid state, stabilized by hyper-coordination at the Lewis amphoteric Sb centers. Reaction with 8 equiv of MeLi forms [Pd4(μ3-SbMe3)4(SbMe3)4], whose structure comprises a tetrahedral Pd(0) core with four terminal SbMe3 ligands and four μ3-SbMe3 ligands, one capping each triangular Pd3 face. Density functional theory calculations, supported by energy decomposition analysis and the natural orbitals for chemical valence scheme, highlight significant donor and acceptor orbital contributions to the bonding between both the terminal and the bridging SbMe3 ligands and the Pd4 core.

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