Californium(III) bromide
Californium bromide is an inorganic compound, a salt with a chemical formula CfBr3. Like in californium oxide and other californium halides, including californium fluoride, californium chloride, and californium iodide, the californium atom has an oxidation state of +3.
Properties
Californium bromide is shown to crystallize in both the AlCl3 and FeCl3 type structures. In the former structure, the californium ion is six coordinated and the three independent Cf-Br bond lengths are 279.5±0.9 pm, 282.7±1.1 pm, and 282.8±0.8 pm.Californium bromide partially decomposes into californium bromide under high temperature.
In the radioactive decay of berkelium-249 to californium-249, the oxidation number and crystal structure are preserved. The six-coordinate berkelium bromide decays to produce a six-coordinate californium bromide, whereas an eight-coordinate berkelium bromide produces an eight-coordinate californium bromide.