Zusammenfassung
The ammoniates Li(NH3)(4)RbSe3 and Na(NH3)(5)RbSe3 . 3NH(3) were prepared by the reduction of Rb2Se5 with lithium or sodium in liquid ammonia. Single crystals were isolated and characterized by X-ray structure analysis using low temperature techniques. Both compounds contain triselenide anions Se-3(2-), which coordinate to rubidium cations forming (infinity)(1)[RbSe3](-) or ...
Zusammenfassung
The ammoniates Li(NH3)(4)RbSe3 and Na(NH3)(5)RbSe3 . 3NH(3) were prepared by the reduction of Rb2Se5 with lithium or sodium in liquid ammonia. Single crystals were isolated and characterized by X-ray structure analysis using low temperature techniques. Both compounds contain triselenide anions Se-3(2-), which coordinate to rubidium cations forming (infinity)(1)[RbSe3](-) or (infinity)(1)[Rb(NH3)(2)Se-3](-) chains. The chains are separated in the crystal structures by the homoleptic ammine complexes Li(NH3)(4)(+) and Na(NH3)(5)(+).
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