title: Structural comparison of group 7 tricarbonyl complexes of 2-{[2-(1H-imidazol-4-yl)ethyl]iminomethyl}-5-methylphenolate.
abstract: Two tricarbonyl complexes of rhenium(I) and manganese(I) coordinated by the ligand 2-{[2-(1H-imidazol-4-yl)ethyl]iminomethyl}-5-methylphenolate are reported, viz. fac-tricarbonyl(2-{[2-(1H-imidazol-4-yl-κN(3))ethyl]iminomethyl-κN}-5-methylphenolato-κO)rhenium(I) methanol monosolvate, [Re(C16H14N3O4)(CO)3]·CH3OH, (I), and fac-tricarbonyl(2-{[2-(1H-imidazol-4-yl-κN(3))ethyl]iminomethyl-κN}-5-methylphenolato-κO)manganese(I), fac-[Mn(C16H14N3O4)(CO)3], (II), display facial coordination in a distorted octahedral environment. The crystal structure of (I) is stabilized by O-H···O, N-H···O and C-H···O hydrogen-bond interactions, while that of (II) is stabilized by N-H...O hydrogen-bond interactions only. These interactions result in two-dimensional networks and π-π stacking for both structures.
authors.affiliation: Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein, 9300, South Africa.
authors.forename: Daniel T
authors.initials: DT
authors.lastname: Marake
authors.affiliation: Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein, 9300, South Africa.
authors.forename: Penny P
authors.initials: PP
authors.lastname: Mokolokolo
authors.affiliation: Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein, 9300, South Africa.
authors.forename: Hendrik G
authors.initials: HG
authors.lastname: Visser
authors.affiliation: Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein, 9300, South Africa.
authors.forename: Alice
authors.initials: A
authors.lastname: Brink
mesh_terms: D018360:Crystallography, X-Ray; D006860:Hydrogen Bonding; D062385:Hydroxybenzoates / Q000737:chemistry*; D007093:Imidazoles / Q000737:chemistry*; D008024:Ligands; D008345:Manganese / Q000737:chemistry*; D015394:Molecular Structure; D012211:Rhenium / Q000737:chemistry*
chemical_list: C000602489:2-((2-(1H-imidazol-4-yl)ethyl)iminomethyl)-5-methylphenolate; D062385:Hydroxybenzoates; D007093:Imidazoles; D008024:Ligands; D008345:Manganese; D012211:Rhenium
keywords: crystal structure; facial coordination; model pharmaceuticals; tricarbonylmanganese(I) complex; tricarbonylrhenium(I) complex