Dysprosium(III) bromide
Chemical compound
From Wikipedia, the free encyclopedia
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).[3] The hexahydrate is also known, DyBr3(H2O)6.[4]
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| ECHA InfoCard | 100.034.933 |
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| Properties | |
| DyBr3 | |
| Molar mass | 402.212 g·mol−1 |
| Appearance | colourless solid (anhydrous) |
| Density | 5.8 g·cm−3[1] |
| Melting point | 881 °C (1,154 K)[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Preparation
It can be prepared by heating dysprosium oxide with excess ammonium bromide under an atmosphere of hydrogen bromide.[5][6]
