Acta Cryst. (2008). E64, m1151  [ doi:10.1107/S160053680802494X ]

4,4'-Diazenediyldipyridinium (4-pyridyldiazenyl)pyridinium octacyanidomolybdate(V) tetrahydrate

W.-Y. Liu, H. Zhou and A.-H. Yuan

Abstract: The structure of the title complex, (C₁₀H₁₀N₄)(C₁₀H₉N₄)[Mo(CN)₈]·4H₂O, consists of 4,4'-diazenediyldipyridinium and (4-pyridyldiazenyl)pyridinium cations disordered over the same site, an [Mo(CN)₈]^3- anion and four uncoordinated water molecules. The cations (crystallographic symmetry, 2) and the [Mo(CN)₈]^3- anion (crystallographic symmetry, 222) are arranged in an alternating fashion, forming a two-dimensional layered structure through hydrogen bonds. Hydrogen bonds, - stacking interactions (shortest distance = 4.7872 Å) and van der Waals forces between adjacent layers generate a three-dimensional supramolecular structure.

Online 13 August 2008

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