(2-Amidoethyl)trichlorotin(IV)complexes with amido ligands and chloride ion: supramolecular arrays from H-bonds involving the amido and chloride ions
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R. Alan Howie
Abstract
Complexes, (H2NCOCH2CH2-C,O)(L)SnCl3 (2: L = XCH2CH2CONH2; X = H or Cl), rather than (H2NCOCH2CH2-C,O)SnCl3, have been isolated from reaction mixtures containing hydrochloric acid, tin and acrylamide in Et2O solution. Ligand exchange reactions occur between (2: L = EtCONH2) and HCONMe2 or HCONHBu. The anionic complex, [pyridinium][(H2NCOCH2CH2-C,O)SnCl4], 3, was isolated from a reaction mixture composed of pyridine and 2. In both complex types, 2 and 3, tin is hexacoordinate, in which the octahedral geometries are somewhat distorted due to variations in the Sn—Cl bond lengths, exemplifying the trans effect, and the small bite angles of the chelating (2-amidoethyl-C,O) ligand. The supramolecular structures are dominated by intermolecular hydrogen-bonds with the NH2 groups as the donor species. A feature of each crystal structure is a double chain in which the NH2 group of the (2-amidoethyl-C,O) ligand acts as donor for N—H···X (X = Cl or O) intermolecular hydrogen-bonds.
© by Oldenbourg Wissenschaftsverlag, Belo Horizonte, Germany
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Articles in the same Issue
- Crystal structure of the ternary compound γ-Al3FeSi
- Ab initio study of the properties of CuAlSe2: A chalcopyrite compound
- Crystal structures of thiazine-indigo pigments, determined from single-crystal and powder diffraction data
- Structural characterization of arbidol®
- (2-Amidoethyl)trichlorotin(IV)complexes with amido ligands and chloride ion: supramolecular arrays from H-bonds involving the amido and chloride ions
- Crystal structures of hydrazones, 2-(1,3-benzothiazolyl)-NH—N=CH—Ar, prepared from arenealdehydes and 2-hydrazinyl-1,3-benzothiazole
- Synthesis, X-ray crystal structure and theoretical study of 4-ethyl-5-(2-thienyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione; structural comparison with its aromatic analogs
