Abstract
During explorative solvothermal syntheses six new compounds containing either the [Sn2S6]4− or the [SnS4]4− anion were obtained and structurally characterized: [Ni(1,2-dach)3]2Sn2S6·4H2O (1) (1,2-dach = trans-1,2-diaminocyclohexane), o-{[Ni(tepa)]2Sn2S6} (2) (tepa = tetraethylenepentamine), [Ni(peha)]2Sn2S6·H2O (3) (peha = pentaethylenehexamine), [Ni(aepa)]2Sn2S6 (4) (aepa = N-2-aminoethyl-1,3-propandiamine), [Co(dien)]2Sn2S6 (5) (dien = diethylenetriamine), and {[Mn(trien)]2SnS4} (trien = triethylenetetramine). In all compounds in-situ formed transition metal amine complexes act as charge compensating ligands or are bound to the thiostannate anions. Compound 2 is an orthorhombic polymorph of a recently published monoclinic compound. In compound 6 the very rare [Mn2N8S2] bi-octahedron is observed as main structural motif. This compound contains a one-dimensional chain which was also observed in a pseudo-polymorphic compound. The structures of all compounds are characterized by an extended hydrogen bonding network between S atoms of the anions and the H atoms of the amine ligands and/or water molecules.
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