Niobium perchlorate, or more precisely niobium(V) perchlorate, is a chemical compound with the formula . It is a hygroscopic, white crystalline solid that readily reacts with moist air or water to produce niobium(V) oxide.
Synthesis and reactions Niobium(V) perchlorate is produced from the reaction of niobium pentachloride and anhydrous perchloric acid:
It decomposes at to niobyl perchlorate, releasing dichlorine heptoxide:
Niobyl perchlorate further decomposes at to (niobium(V) dioxide perchlorate), which decomposes at to niobium pentoxide.
Perchloratoniobates, such as (caesium hexaperchloratoniobate(V)) and (caesium heptaperchloratoniobate(V)), are produced by the reaction of perchlorate sources, such as cesium perchlorate and niobium perchlorate, in anhydrous perchloric acid at .
Structure Although the structure of niobium(V) perchlorate has not been elucidated by single-crystal X-ray diffraction, the structure has been probed by IR spectroscopy and powder X-ray diffraction. Niobium(V) perchlorate has both monodentate and bidentate perchlorate ligands.
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