Synthesis and crystal structure of bis(tetramethylammonium) aquotetra-fluorodioxouranate(VI) dihydrate, [(CI3)4 N]2[UO2 F4(H2 O)]·2H2O |
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| Authors: | Thomas CW Mak |
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| Institution: | Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong |
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| Abstract: | The title compound has been synthesized and subjected to crystal structure analysis. Mr = 548.50, m.p. 108.1 °C (decom.), orthorhombic, Im2m,a = 7.006(2), b = 8.938(2), c = 13.619(2) Å V = 852.8(3) Å3, Z = 2, Dx = 2.136, Dm, (flotation in CCl4/CH2I2) = 2.128 g cm?3, λ(Mo-Kα) = 0.71069 Å, μ = 90.79 cm?1, F(000) = 519.89, T = 295 K, final RF = 0.036 and RG = 0.044 for 566 observed reflections. The discrete UO2F4(H20)]2? anion has site symmetry m2m, its virtually linear uranyl moiety being surrounded by fluoro and aquo ligands occupying the vertices of a pentagon in the equatorial plane. Watet molecules serve to link the complex anions by hydrogen bonds into layers, between which the organic cations are accommodated. |
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| Keywords: | Authors to whom correspondence should be addressed |
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