A new cluster complex, (NH4)6[Mo4Se4(CN)12]·6H2O, containing a tetranuclear mixed-valence molybdenum core

The title compound, hexa­ammonium tetra‐μ3‐selenido‐tetra­kis­(tri­cyano­molybdenum) hexahydrate, is isostructural with the Mo/S, W/S and W/Se analogues. The structure contains disordered cyclic hydrogen‐bonded [{(NH4)(H2O)}3]3+ cations and [Mo4Se4(CN)12]6− cluster anions with 3m symmetry. The catio...

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Veröffentlicht in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2000-03, Vol.56 (3), p.272-273
Hauptverfasser: Virovets, Alexander V., Fedin, Vladimir P., Samsonenko, Denis G., Clegg, William
Format: Artikel
Sprache:eng
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Zusammenfassung:The title compound, hexa­ammonium tetra‐μ3‐selenido‐tetra­kis­(tri­cyano­molybdenum) hexahydrate, is isostructural with the Mo/S, W/S and W/Se analogues. The structure contains disordered cyclic hydrogen‐bonded [{(NH4)(H2O)}3]3+ cations and [Mo4Se4(CN)12]6− cluster anions with 3m symmetry. The cation assembly consists of alternating ammonium and water mol­ecules linked by N—H⋯O hydrogen bonds. The anion has a typical cubane cluster structure. The cations and anions are linked together by hydrogen bonds involving the terminal N atoms of the CN groups.
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270199015644