Crystal Structure of Chloro-1-(2-thiazolylazo)-2-naphtholatopalladium(II) Dioxane Solvate
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The crystals of chloro-1-(2-thiazolylazo)-2-naphtholatopalladium(II) dioxane solvate, [PdCl(TAN)]·C<SUB>4</SUB>H<SUB>8</SUB>O<SUB>2</SUB>, are orthorhombic and of space group Pbcm, with unit cell dimensions: <I>a</I>=8.44(2), <I>b</I>=30.97(4) and <I>c</I>=6.82(2) Å and <I>Z</I>=4. The structure was determined by the heavy-atom method and refined by the least-squares procedure to give an <I>R</I> value of 0.097 for 1392 observed reflections. The crystallographic mirror plane normal to the <I>c</I>-axis coincides with the molecular plane of [PdCl(TAN)]. The 1-(2-thiazolylazo)-2-naphtholato group, <I>i.e.</I>, TAN, is a terdentate ligand; the phenolic oxygen atom, azo nitrogen atom and thiazole nitrogen atom are coordinated to the palladium atom to form two five-membered chelate rinsgs. The fourth coordination position is occupied by a chlorine atom.
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