Dysprosium(III) bromide is an inorganic compound of bromine and dysprosium, with the chemical formula of DyBr3. It has a trigonal crystal structure of the bismuth(III) iodide type with space group R3 (No. 148). The hexahydrate is also known, DyBr3(H2O)6.
Preparation It can be prepared by heating dysprosium oxide with excess ammonium bromide under an atmosphere of hydrogen bromide.
See also Lanthanide tribromide
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