Plutonium(IV) iodate

Plutonium(IV) iodate is an inorganic compound with the chemical formula Pu(IO₃)₄, it is a salt which decomposes into plutonium(IV) oxide above 540 °C.^[3] It can be generated in the reaction of plutonium(IV) nitrate and iodic acid, but this method cannot obtain a pure product;^[3] Another preparation method is the reaction of plutonium(IV) nitrate or plutonium(IV) chloride with potassium iodate and dilute nitric acid.^[4] It can crystallize in the tetragonal crystal system with space group P4₂/n.^[2]

Plutonium(IV) iodate

Names
Other names Plutonium tetraiodate
Identifiers
CAS Number	13778-14-8 Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Pu.4HIO3/c;4*2-1(3)4/h;4*(H,2,3,4)/q+4;;;;/p-4 Key: KZCPVUXVUIMYAF-UHFFFAOYSA-J
SMILES [O-]I(=O)=O.[O-]I(=O)=O.[O-]I(=O)=O.[O-]I(=O)=O.[Pu+4]
Properties
Chemical formula	Pu(IO3)4
Molar mass	943.61
Appearance	Green to brown transition depending on crystal angle[1]
Density	6.074 g·cm−3（−80 °C）[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references