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Synthesis and structure of Ln(2)(H4IO6)(I2O10)center dot H3O center dot 5 H2O (Ln=Pr, Nd, Sm), a lanthanide periodate diperiodate
KTH, Superseded Departments, Chemistry.
2003 (English)In: Zeitschrift für Anorganische und Allgemeines Chemie, ISSN 0044-2313, E-ISSN 1521-3749, Vol. 629, no 2, 335-338 p.Article in journal (Refereed) Published
Abstract [en]

By slow evaporation of solutions containing Ln(ClO4)(3) (Ln = Pr, Nd, Sm), H5IO6 and an excess of HCIO4, crystals of the title compounds could be obtained. Their structures were determined by single-crystal X-ray diffraction. The compounds crystallize in the monoclinic crystal system, space group I2/a. They contain two types of periodate ions: octahedral H4IO6 groups and two crystallographically different I2O10 groups. which consist of two edge-sharing octahedra. These anions coordinate to the canons as bridging groups yielding a three-dimensional network. Together with some water of crystallization, a coordination number of 9 is achieved around the lanthanide ions with a tri-capped trigonal prismatic geometry.

Place, publisher, year, edition, pages
2003. Vol. 629, no 2, 335-338 p.
Keyword [en]
praseodymium, neodymium, samarium, periodate, crystal structure, crystal-structure
URN: urn:nbn:se:kth:diva-22414ISI: 000182161000029OAI: diva2:341112
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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