Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 2 (February 2003)

Acta Cryst. (2003). C59, m37-m39 [doi:10.1107/S0108270102022461]

The trans influence of the pyridine ligand on ruthenium(II)-porphyrin-carbene complexes

T. Harada, S. Wada, H. Yuge and T. K. Miyamoto

Abstract: In the two ruthenium(II)-porphyrin-carbene complexes (dibenzoylcarbenyl- [bold kappa] C)(pyridine-N)(5,10,15,20-tetra-p-tolylporphyrinato-⁴N)ruthenium(II), [Ru(C₁₅H₁₀O₂)(C₅H₅N)(C₄₈H₃₆N₄)], (I), and (pyridine-N)(5,10,15,20-tetra-p-tolylporphyrinato-⁴N)[bis(3-trifluoromethylphenyl)carbenyl-C]ruthenium(II), [Ru(C₁₅H₈F₆)(C₅H₅N)(C₄₈H₃₆N₄)], (II), the pyridine ligand coordinates to the octahedral Ru atom trans with respect to the carbene ligand. The C(carbene)-Ru-N(pyridine) bonds in (I) coincide with a crystallographic twofold axis. The Ru-C bond lengths of 1.877 (8) and 1.868 (3) Å in (I) and (II), respectively, are slightly longer than those of other ruthenium(II)-porphyrin-carbene complexes, owing to the trans influence of the pyridine ligands.

Formula: [Ru(C₁₅H₁₀O₂)(C₅H₅N)(C₄₈H₃₆N₄)] and [Ru(C₁₅H₈F₆)(C₅H₅N)(C₄₈H₃₆N₄)]

Online 11 January 2003


	Structure factor file (CIF format) (303.5 kbytes) Contains datablock I

	Structure factor file (CIF format) (602.5 kbytes) Contains datablock II

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