IUCrData · ·Added 10 Nov 2026

(η6-1-Isopropyl-4-methyl-benzene)-bis-(η1-pyridin-2-ylethynido-κC)(tri-methyl-phosphane-κP)ruthenium(II).

Bre-Anna N Willis, Aaron Meeks, Colin D McMillen, Jared A Pienkos, John P Lee

DOI ↗

Abstract

The title complex, [Ru(C7H4N2)2(C10H14)(C3H9P)] or (p-cym)Ru(C2-2py)2(PMe3), where p-cym = η6-1-isopropyl-4-methyl-benzene and C2-2py = η1-C-pyridin-2-ylethynide, comprises a pseudo-octa-hedral RuII atom with p-cym occupying one face of the octa-hedron and the other face comprised of monodentate PMe3 and two η1-C2-2py ligands. The Ru-Cethynide bond lengths are 2.0248 (16) and 2.0343 (17) Å. The N-C-C-N torsion angle of 151.1 (2)° suggests a near anti-conformation for the two pyridine rings. In the crystal, hydrogen bonding involving one C-H donor and one nitro-gen acceptor from each pyridine ring generates dimers propagating along the a-axis direction via supporting C-H⋯π inter-actions.

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