Crystal structure of chlorido-(2-{1-[2-(4-chloro-phen-yl)hydrazin-1-yl-idene-κN]eth-yl}pyridine-κN)(η(5)-penta-methyl-cyclo-penta-dien-yl)rhodium(III) chloride.

The cation of the title compound, [Rh(η(5)-C5Me5)Cl(C13H12ClN3)]Cl, adopts a typical piano-stool geometry. The complex is chiral at the metal and crystallizes as a racemate. Upon coordination, the hydrazinyl-idene-pyridine ligand is non-planar, an angle of 54.42 (7)° being observed between the pyridine ring and the aromatic ring of the [2-(4-chloro-phen-yl)hydrazin-1-yl-idene]ethyl group. In the crystal, a weak inter-ionic N-H⋯Cl hydrogen bond is observed.

Crystal structure of chlorido-(2-{[2-(4-chloro-phen-yl)hydrazin-1-yl-idene-κN (1)](phen-yl)meth-yl}pyridine-κN)(η(5)-penta-methyl-cyclo-penta-dien-yl)iridium(III) tetra-phenyl-borate.

The title compound, [Ir(η(5)-C5Me5)Cl(C18H14ClN3)]B(C6H5)4, is chiral at the metal center and crystallizes as a racemate. In the cation, the hydrazinyl-idene-pyridine ligand is N,N-coordinated through the N-pyridyl and N-hydrazinyl-idene groups forming a five-membered metallacycle. An intra-molecular C-H⋯Cl hydrogen bond is observed. In the crystal, centrosymmetrically-related cations are connected by C-Cl⋯π inter-actions, forming a dimeric structure. The crystal packing is further stabilized by weak inter-ionic C-H⋯π inter-actions.