Hydrothermal synthesis of organic-inorganic hybrid materials: network structures of the bimetallic oxides [M(Hdpa)2V4O12] (M = Co, Ni, dpa = 4,4'-dipyridylamine) |
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Authors: | LaDuca R L Rarig R S Zubieta J |
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Institution: | Department of Chemistry, Syracuse University, Syracuse, New York 13244, USA. |
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Abstract: | The hydrothermal reactions of MCl(2).6H2O (M = Co, Ni) NaVO3, 4,4'-dipyridylamine (dpa), and H2O yield materials of the type M(Hdpa)2V4O12] (M = Co (1), Ni (2)). The two-dimensional structures of 1 and 2 are constructed from bimetallic oxide networks (MV4O12)n2n- with monodentate Hdpa projecting the protonated ring into the interlamellar region. The oxide network may be described as ruffled chains of corner-sharing (VO4) tetrahedra linked by (NiO4N2) octahedra into the two-dimensional assembly. Crystal data: C10H10Co0.5N3O6V2(1), monoclinic P2(1)/c, a = 10.388(1) A, b = 7.6749(7) A, c = 16.702(2) A, beta = 102.516(1) degrees, Z = 4. C10H10N3Ni0.5O6V2 (2), monoclinic, P2(1)/c, c = 10.3815(2) A, b = 7.7044(2) A, c = 16.6638(4) A, beta = 102.573(1) degrees, Z = 4. |
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