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Synthesis,characterization and crystal structure of the anilinium β-octamolybdate dihydrate
Authors:P Román  JM Gutiérrez-Zorrilla  C Esteban-Calderón  M Martínez-Ripoll  S García-Blanco
Institution:Departamento de Química Inorgánica, Univ. del País Vasco, Apartado 644, 48080 Bilbao, Spain;Departamento de Cristalografía, Instituto Rocasolano, CSIC, Serrano 119, 28006 Madrid, Spain
Abstract:The anilinium β-octamolybdate dihydrate has been prepared in acidic aqueous solution. TG, DTG, IR and 1H NMR techniques have been used to identify the compound. It belongs to a series of molybdates of alkyl-N- and -N,N-substituted anilinium cations. Single crystals have been analyzed by X-ray diffraction. Crystal data are: (C6H8N)4Mo8O26] · 2H2O, space group P1, Z = 1, a = 10.007(1), b = 8.014(2), c = 14.645(8)Å, α = 109.81(3), β = 108.59(2), γ = 85.44(2)°, V = 1052.9(6) Å3, Do = 2.49(1), Dx = 2.52 mg m?3, R = 0.026 and Rw = 0.031 for 5297 observed reflexions. The crystal structure consists of discrete β-Mo8O26]4? polyanions, two crystallographically independent (C6H8N)+ cations and one independent water molecule. Polyanions are linked to the cations and to the water molecules by hydrogen bonds of types NH…O and OH…O.
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