Abstract
A direct method of synthesis of zinc thiocyanate complexes with 1,4-diazabicyclo(2,2,2) octane (or triethylenediamine, Ten) is reported. The main peculiarities of interaction of zinc oxide with non-aqueous (methanol, acetonitrile, N,N-dimethylformamide = DMF, dimethylsulfoxide = DMSO) solutions of ammonium thiocyanate in the presence of Ten were investigated. The crystal structures of the compounds [Zn 2(NCS) 4(NH 3) 2Ten] ( I), (HTen) 2[Zn(NCS) 4] ( II) and [Zn(NCS) 2(Ten)DMSO] ( III) were determined by X-ray diffraction. The complexes contain four ( I) and five ( III) coordinate zinc atoms linked by μ 2-bridging nitrogen atoms of Ten forming the dimeric and polymeric molecules respectively; the complex ( II) has an ionic-type crystal lattice with (HTen) + cations and [Zn(NCS) 4] 2− anions.
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