174151-72-5Relevant academic research and scientific papers
Cluster chemistry with sulfur-containing ligands: Reactions of the hexanuclear cluster (μ2-H)Ru6(CO)16(μ 5-S)(μ3,η2-SCNHPhNPh) with two-electron-donor ligands
Hoferkamp, Lisa A.,Rheinwald, Gerd,Stoeckli-Evans, Helen,Süss-Fink, Georg
, p. 1122 - 1127 (1996)
The reaction of the hexanuclear cluster (μ2-H)Ru6(CO)16(μ 5-S)(μ3,η2-SCNHPhNPh) (1) with triphenylphosphine mainly results in the formation of the substitution product (μ2-H)RU6-(CO)15(PPh3)(μ 5-S)(μ3,η2-SCNHPhNPh) (3). X-ray structural analysis of a single crystal of 3 identified the site of substitution as the apical, S-bound Ru atom of the starting cluster and revealed a significant degree of cluster deformation upon substitution. Crystals of 3 are triclinic, space group P1: Z = 2, a = 9.808(2) A?, b = 10.285(2) A?, c = 27.48(1) A?, α= 91.97(2)°, β = 90.02(2)°, γ= 94.52(2)°. Reactions of 1 with other two-electron-donor ligands [Me2S, P(n-Bu)3, P(OMe)3, P(OPh)3, and tBuNC] also resulted in the substitution of a carbonyl group to give (μ2-H)Ru6(CO)15(L)(μ 5-S)(μ3,η2-SCNHPhNPh) [L = Me2S, 4; P(n-Bu)3, 5; P(OMe)3, 6; P(OPh)3, 7; tBuNC, 8]. The spectra of these substitution products differ from those of 3, indicating an alternative site of substitution. This was verified through X-ray structural analysis of the tBuNC derivative 8, which showed the isonitrile ligand to occupy an axial site on the apical Ru atom at the end of the cluster opposite to that found in 3. Crystals of 8 are triclinic, space group P1: Z = 2, a = 9.431(2) A?, b = 15.794(2) A?, c = 16.772(2) A?, α = 87.94(1)°, β= 84.72(1)°, γ= 76.70(1)°.
