Supramolecular Hexagon and Chain Coordination Polymer Containing the MoO22+ Core : Structural Transformation in the Solid State (CROSBI ID 171029)
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Podaci o odgovornosti
Vrdoljak, Višnja ; Prugovečki, Biserka ; Matković-Čalogović, Dubravka ; Pisk, Jana ; Dreos, Renata ; Siega, Patrizia
engleski
Supramolecular Hexagon and Chain Coordination Polymer Containing the MoO22+ Core : Structural Transformation in the Solid State
The reaction of [MoO2(acac)2] with the salicylaldehyde isonicotinyl hydrazonate ligand (SIH2−) yielded a zigzag chain polymer [MoO2(SIH)]n (1), an interwoven hexagon [MoO2(SIH)]6 (2), or the mononuclear complexes [MoO2(SIH)(C2H5OH)] (3EtOH) and [MoO2(SIH)(C3H7OH)] (3PrOH). Diversity in the formation of dioxomolybdenum(VI) compounds illustrates their sensitivity to the reaction conditions. Crystal and molecular structures of all of the investigated molybdenum(VI) compounds were determined by the single crystal X-ray diffraction method. Solid-state reactions lead to the transformation of the supramolecular hexagon or the mononuclear complexes into the chain coordination polymer. These thermally induced conversions were characterized by the X-ray powder diffraction method. All of the investigated compounds were further characterized by elemental analysis, thermogravimetric analyses, FT-IR, and NMR spectroscopy
molybdenum(VI); cis-octahedral; aroylhydrazone; coordination polymers; zigzag chain; suprmolecular hexagon; interwoven; supramolecular architectures
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