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Reappraising Schmidpeter's bis(iminophosphoranyl)phosphides: coordination to transition metals and bonding analysis.

ABSTRACT: The synthesis and characterization of a range of bis(iminophosphoranyl)phosphide (BIPP) group 4 and coinage metals complexes is reported. BIPP ligands bind group 4 metals in a pseudo fac-fashion, and the central phosphorus atom enables the formation of d0-d10 heterobimetallic complexes. Various DFT computational tools (including AIM, ELF and NCI) show that the phosphorus-metal interaction is either electrostatic (Ti) or dative (Au, Cu). A bridged homobimetallic Cu-Cu complex was also prepared and its spectroscopic properties were investigated. The theoretical analysis of the P-P bond in BIPP complexes reveals that (i) BIPP are closely related to ambiphilic triphosphenium (TP) cations; (ii) the P-P bonds are normal covalent (i.e. not dative) in both BIPP and TP.

SUBMITTER: Normand AT 

PROVIDER: S-EPMC8178813 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Reappraising Schmidpeter's bis(iminophosphoranyl)phosphides: coordination to transition metals and bonding analysis.

Normand Adrien T AT   Sosa Carrizo E Daiann ED   Magnoux Corentin C   Lobato Esteban E   Cattey Hélène H   Richard Philippe P   Brandès Stéphane S   Devillers Charles H CH   Romieu Anthony A   Le Gendre Pierre P   Fleurat-Lessard Paul P  

Chemical science 20201026 1

The synthesis and characterization of a range of bis(iminophosphoranyl)phosphide (<b>BIPP</b>) group 4 and coinage metals complexes is reported. <b>BIPP</b> ligands bind group 4 metals in a pseudo <i>fac</i>-fashion, and the central phosphorus atom enables the formation of d<sup>0</sup>-d<sup>10</sup> heterobimetallic complexes. Various DFT computational tools (including AIM, ELF and NCI) show that the phosphorus-metal interaction is either electrostatic (Ti) or dative (Au, Cu). A bridged homobi  ...[more]

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