Plutonium(IV) iodate

Plutonium(IV) iodate
Names
Other names
Plutonium tetraiodate
Identifiers
3D model (JSmol)
  • InChI=1S/Pu.4HIO3/c;4*2-1(3)4/h;4*(H,2,3,4)/q+4;;;;/p-4
    Key: KZCPVUXVUIMYAF-UHFFFAOYSA-J
  • [O-]I(=O)=O.[O-]I(=O)=O.[O-]I(=O)=O.[O-]I(=O)=O.[Pu+4]
Properties
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).

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]

References

  1. ^ Travis Henry Bray. Crossroads and Terminations in Transuranium Chemistry. Auburn University, 2008.
  2. ^ a b Bray, Travis H.; Ling, Jie; Choi, Eun Sang; Brooks, James S.; Beitz, James V.; Sykora, Richard E.; Haire, Richard G.; Stanbury, David M.; Albrecht-Schmitt, Thomas E. (2007-04-30). "Critical Role of Water Content in the Formation and Reactivity of Uranium, Neptunium, and Plutonium Iodates under Hydrothermal Conditions: Implications for the Oxidative Dissolution of Spent Nuclear Fuel". Inorganic Chemistry. 46 (9): 3663–3668. doi:10.1021/ic070170d. ISSN 0020-1669. PMID 17397146.
  3. ^ a b Dawson, J. K.; Elliott, R. M. The thermogravimetry of some plutonium compounds. Atomic Energy Research Estab. (Gt. Brit.), 1957.
  4. ^ Zolotov, Yu. A. (Oct 2006). "News in Zhurnal Analiticheskoi Khimii". Journal of Analytical Chemistry. 61 (10): 935. doi:10.1134/s1061934806100017. ISSN 1061-9348.
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