Synthesis and study of tetraamminecobalt hydrogen hexamolybdometalates(III) |
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| Authors: | A V Oreshkina G Z Kaziev A V Steblevskii |
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| Institution: | (1) Moscow State Pedagogical University, ul. Malaya Pirogovskaya 1, Moscow, 119991, Russia;(2) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
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| Abstract: | Tetraamminecobalt hydrogen hexamolybdoferrate Co(NH3)4] · HFeMo6O18(OH)6] · 6H2O (I) and tetraamminecobalt hydrogen hexamolybdogallate(III) Co(NH3)4] · HGaMo6O18(OH)6] · 6H2O (II) were synthesized and studied by mass spectrometry, thermogravimetry, IR spectroscopy, and X-ray diffraction. Crystals of I and II are monoclinic; a = 16.21 Å, b = 5.43 Å, c = 12.32 Å, β = 119.63°, V = 1092.11 Å3, ρcalcd = 2.21 g/cm3, and Z = 1 for I; a = 16.24 Å, b = 5.59 Å, c = 12.29 Å, β = 119.79°, V = 1064.05 Å3, ρcalcd = 2.15 g/cm3, and Z = 1 for II. Compounds I and II were used as catalysts for soft oxidation of natural gas. |
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