Abstract
Two new complexes containing M(II) ammine cations (M = Ni, Cd) and octahedral rhenium(III) thiocyanoammine and thiocyanohydroxoammine cluster anions, [Ni(NH3)6][Re6S8(CN)4(NH3)2]∙2H2O (1) and [Cd(NH3)6][{Cd(NH3)5}{Re6S8(CN)4(OH)(NH3)}]2∙5H2O (2), have been synthesized by hydrothermal reactions starting from Cs1.83K2.17[Re6S8(CN)4(OH)2]∙2H2O. The compounds were structurally characterized by single-crystal X-ray diffraction analysis, elemental analysis, energy dispersive spectroscopy, and IR spectroscopy. Both compounds adopt monoclinic crystal structures composed from discrete ionic species which are held together by multiple hydrogen bonds between CN–, OH–, and NH3 ligands and lattice water. 2 consists of {Cd(NH3)5}2+ attached to the OH group of the [Re6S8(CN)4(OH)(NH3)]3– cluster anion via the Re–OH–Cd linkage.
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