Syntheses, structures, and spectroscopic properties of plutonium and americium phosphites and the redetermination of the ionic radii of Pu(III) and Am(III)

Justin N. Cross, Eric Villa, Shuao Wang, Juan Diwu, Matthew J. Polinski, Thomas E. Albrecht-Schmitt

Research output: Contribution to journalArticle

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Abstract

A series of isotypic rare earth phosphites (RE = Ce(III), Pr(III), Nd(III), Pu(III), or Am(III)) with the general formulas RE 2(HPO 3) 3(H 2O) along with a Pu(IV) phosphite, Pu[(HPO 3) 2(H 2O) 2], have been prepared hydrothermally via reactions of RECl 3 with phosphorous acid. The structure of RE 2(HPO 3) 3(H 2O) features a face-sharing interaction of eight- and nine-coordinate rare earth polyhedra. By use of the crystallographic data from the isotypic series along with data from previously reported isotypic series, the ionic radii for higher coordinate Pu(III) and Am(III) were calculated. The VIIIPu(III) radius was calculated as 1.112 ± 0.004 Å, and the IXPu(III) radius was calculated to be 1.165 ± 0.002 Å. The VIIIAm(III) radius was calculated as 1.108 ± 0.004 Å, and the IXAm(III) radius was calculated as 1.162 ± 0.002 Å.

Original languageEnglish
Pages (from-to)8419-8424
Number of pages6
JournalInorganic Chemistry
Volume51
Issue number15
DOIs
StatePublished - Aug 6 2012
Externally publishedYes

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Americium
Phosphites
Plutonium
americium
plutonium
Rare earths
radii
synthesis
rare earth elements
polyhedrons
acids

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Syntheses, structures, and spectroscopic properties of plutonium and americium phosphites and the redetermination of the ionic radii of Pu(III) and Am(III). / Cross, Justin N.; Villa, Eric; Wang, Shuao; Diwu, Juan; Polinski, Matthew J.; Albrecht-Schmitt, Thomas E.

In: Inorganic Chemistry, Vol. 51, No. 15, 06.08.2012, p. 8419-8424.

Research output: Contribution to journalArticle

Cross, Justin N. ; Villa, Eric ; Wang, Shuao ; Diwu, Juan ; Polinski, Matthew J. ; Albrecht-Schmitt, Thomas E. / Syntheses, structures, and spectroscopic properties of plutonium and americium phosphites and the redetermination of the ionic radii of Pu(III) and Am(III). In: Inorganic Chemistry. 2012 ; Vol. 51, No. 15. pp. 8419-8424.
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