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Hydrothermal Synthesis and Characterization of (H3N(CH2)4NH3)[V6O14]

✍ Scribed by F. Sediri; N. Etteyeb; N. Steunou; C. Guyard-Duhayon; J. Maquet; N. Gharbi; J. Livage

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
203 KB
Volume
167
Category
Article
ISSN
0022-4596

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✦ Synopsis

A new layered vanadium oxide [H 3 N(CH 2 ) 4 NH 3 ](V 6 O 14 ) was synthesized hydrothermally under autogenous pressure at 1801C for 48 h from a mixture of H 2 N(CH 2 ) 4 NH 2 and V 2 O 5 in aqueous solution. Its structure was determined from singlecrystal X-ray diffraction at room temperature with final R ΒΌ 0:0774 and R w ΒΌ 0:0893: It crystallizes in the monoclinic system (space group P2 1 /n with a ΒΌ 9:74( 2 andZ=2). This compound contains mixed-valence V 5+ /V 4+ vanadium oxide layers built from [V V O 4 ] tetrahedra and pairs of edge-sharing [V IV O 5 ] square pyramids with protonated organic amines occupying the interlayer space.

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