Synthesis and Crystal Structure of Tris[2-(2-imidazolinyl)phenolato]ruthenium(III)

The crystal data are included in Table 1. X-ray crystallographic data were collected on a Bruker smart APEX CCD diffractometer at 90(2)K. The integrated and scaled data were empirically corrected with SADABS. 5 The initial structure was solved by The crystal structure of the Ru(III) complex with 2-(2-imidazolinyl)phenolate was determined by X-ray crystallography. The title compound was synthesized by a reaction of RuCl 3 · n H 2 O and 2-(2-imidazolinyl)phenolate in ethanol. The compound crystallized in the monoclinic space group P 2 1 / c and Z = 4 with cell parameters a = 10.2053(18)Å, b = 33.277(6)Å, c = 8.8733(15)Å, β = 113.904(3) ° , V = 2754.9(8)Å 3 . The R 1 [ I > 2 σ ( I )] and wR 2 (all data) values are 0.0711 and 0.1487, respectively, for all 6316 independent reflections. The title compound was found to take a meridional configuration. In the crystal, a centrosymmetric dimer structure was formed by intermolecular hydrogen-bonds between the coordinating phenolate-O atom (O2) of a ligand and a noncoordinating N–H bond (N5–H5A) in the symmetry equivalent ligand.