Metall-Komplexe mit S₄N₄ -Liganden: Die Strukturen von zwei Komplexen der Zusammensetzung [TiCl₄(S₄N₄)]₂ / Metal Complexes with S₄N₄ Ligands: The Structures of Two Complexes of Composition [TiCl₄(S₄N₄)]₂

Abstract

<jats:title>Abstract</jats:title><jats:p>Slow reaction of TiCl<jats:sub>4</jats:sub> with S<jats:sub>4</jats:sub>N<jats:sub>4</jats:sub> in CH<jats:sub>2</jats:sub>Cl<jats:sub>2</jats:sub>/CCl<jats:sub>4</jats:sub> produces a mixture of two crystalline dinuclear complexes of composition [TiCl<jats:sub>4</jats:sub>(S<jats:sub>4</jats:sub>N<jats:sub>4</jats:sub>)]<jats:sub>2</jats:sub>. Crystal data for the orange-yellow α-isomer: mono­clinic, space group P2<jats:sub>1</jats:sub>/n with a = 11.608(3) Å. b = 8.304(3) Å, c = 10.938(5) Å, β = 101.06(4)° and Z = 2. Crystal data for the red-brown β-isomer: monoclinic, space group P2<jats:sub>1</jats:sub>/c with a = 11.220(2) Å, b = 13.868(2) Å, c = 14.839(4) Å, β = 106.18(2)° and Z = 4. Crystal structure analyses reveal that the S<jats:sub>4</jats:sub>N<jats:sub>4</jats:sub> molecules in the α-form act as 1,3-N,N′-bonded bridging ligands and in the β-form as N-bonded monodentate ligands. </jats:p>