Europium(III) iodate is an inorganic compound with the chemical formula Eu(IO3)3. It can be produced by hydrothermal reaction of europium(III) nitrate or europium(III) oxide and iodic acid in water at 230 °C.[1] It can be thermally decomposed as follows:[1]

Europium(III) iodate
Identifiers
3D model (JSmol)
ECHA InfoCard 100.035.250 Edit this at Wikidata
EC Number
  • 238-791-1
  • InChI=1S/Eu.3HIO3/c;3*2-1(3)4/h;3*(H,2,3,4)/q+3;;;/p-3
    Key: HQQLAVIUDCPDOA-UHFFFAOYSA-K
  • [O-]I(=O)=O.[O-]I(=O)=O.[O-]I(=O)=O.[Eu+3]
Properties
Eu(IO3)3
Molar mass 676.67 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
7 Eu(IO3)3 → Eu5(IO6)3 + Eu2O3 + 9 I2 + 21 O2

It reacts hydrothermally with iodine pentoxide and molybdenum trioxide at 200 °C to obtain Eu(MoO2)(IO3)4(OH).[2]

References edit

  1. ^ a b Ghosh, B. P.; Nag, K. (Jul 1985). "Thermal and dielectric properties of rare earth iodates". Journal of Materials Science. 20 (7): 2335–2344. doi:10.1007/bf00556063. ISSN 0022-2461.
  2. ^ Shehee, Thomas C.; Sykora, Richard E.; Ok, Kang M.; Halasyamani, P. Shiv; Albrecht-Schmitt, Thomas E. (2003-01-01). "Hydrothermal Preparation, Structures, and NLO Properties of the Rare Earth Molybdenyl Iodates, RE (MoO 2 )(IO 3 ) 4 (OH) [ RE = Nd, Sm, Eu]". Inorganic Chemistry. 42 (2): 457–462. doi:10.1021/ic025992j. ISSN 0020-1669.