Crystal structure of dichloro-N-(3,4,5-trimethoxy-benzyl)-N-(n-butyl)]imidazolidin-2-ylideneruthenium(II), RuCl2(C17H26N2O3)

WOS: 000226702900020C17H26Cl2N2O3Ru, monoclinic, P12(1)/nl (no. 14), a = 10.180(1) A, b = 11.985(1) A, c = 16.017(2) A, beta = 106.419(2)degrees, V = 1874.5 A(3), Z = 4, R-gt(F) = 0.037, wR(ref)(F-2) = 0.109, T = 193 K

Dichlorido[1-(2-methyl-benz-yl)-3-(?6-2,4, 6-trimethyl-benz-yl)-1H-2,3-dihydro-benzimidazol-2-yl-idene]ruthenium(II) dichloro-methane solvate

The title complex, [RuClCl]·CHl is best thought of as containing an octa-hedrally coordinated Ru center with the arene occupying three sites. Two Ru - Cl bonds and one Ru-carbene bond complete the distorted octa-hedron. The carbene portion of the ligand is a benzimidazole ring. This ring is connected to the CCHarene group by a CHbridge. This leads to a system with very little apparent strain. A dichloro-methane solvent mol-ecule completes the crystal structure. Further stabilization is accomplished via C - H?N and C - H?Cl interactions

Crystal structure of [RuCl2[N-(2,4,6-trimethyl-benzyl)N-(n- butyl)]-imidazolidin-2-ylidene] and [RuCl2[N-(2,4,6-trimethyl-benzyl) -N-(2-methoxyethyl)]-imidazolidin-2-ylidene]

Two imidazolidin ruthenium complexes, [RuCl2{[N-(2,4,6- trimethyl-benzyl)-N-(n-butyl)]-imidazolidin-2-ylidene}], 1, and [RuCl 2{[N-(2,4,6-trimethyl-benzyl)-N-(2-methoxyethyl)]-imidazolidin-2- ylidene}], 2, have been synthesised and their crystal structures have been determined from single crystal X-ray diffraction data. Compound 1 is monoclinic, of space group C2/c with a = 18.466(4) Å, b = 14.816(3) Å, c = 15.413(3) Å, ß = 118.067(2)°, and V = 3720.9(12) Å3 with Z = 8 for d calc = 1.536 g/cm3. Compound 2 is monoclinic, of space group P21/c with a = 8.1800(5) Å, b = 14.344(8) Å, c = 14.809(9), ß = 91.604(10)°, and V = 1736.7(18) Å3 with Z = 4 for d calc = 1.653 g/cm3. In each complex the ligand functions as an arene and carbene, occupying four coordination sites. The two chlorines in each compound complete a distorted octahedron. © 2005 Springer Science + Business Media, Inc