Hydrothermal Synthesis and Characterization of (H3N(CH2)4NH3)[V6O14] |
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Authors: | F SediriN Etteyeb N SteunouC Guyard-Duhayon J MaquetN Gharbi J Livage |
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Institution: | a IPEIT, 1008, Montfleury, Tunis, Tunisiab Chimie de la Matière Condensée, Université Pierre et Marie Curie, 4 place Jussieu, 75005, Paris, Francec Chimie des Métaux de Transition, Université Pierre et Marie Curie, 4 place Jussieu, 75005, Paris, France |
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Abstract: | A new layered vanadium oxide H3N(CH2)4NH3](V6O14) was synthesized hydrothermally under autogenous pressure at 180°C for 48 h from a mixture of H2N(CH2)4NH2 and V2O5 in aqueous solution. Its structure was determined from single-crystal X-ray diffraction at room temperature with final R=0.0774 and Rw=0.0893. It crystallizes in the monoclinic system (space group P21/n with a=9.74(2) Å, b=6.776(5) Å, c=12.60(2) Å, β=96.1(1)°, V=827(2) Å3 and Z=2). This compound contains mixed-valence V5+/V4+ vanadium oxide layers built from VVO4] tetrahedra and pairs of edge-sharing VIVO5] square pyramids with protonated organic amines occupying the interlayer space. |
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Keywords: | vanadium oxides 1 4 diaminobutane hydrothermal synthesis X-ray diffraction |
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