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Three modifications of Pr-2(ClO4)(2)(H2I2O10) center dot 8 H2O - A theme with variations
KTH, Superseded Departments, Chemistry.
2004 (English)In: Zeitschrift für Anorganische und Allgemeines Chemie, ISSN 0044-2313, E-ISSN 1521-3749, Vol. 630, no 2, 309-312 p.Article in journal (Refereed) Published
Abstract [en]

From solutions containing praseodymium perchlorate and periodic acid, three different modifications of [Pr-2(ClO4)(2)(H2I2O10)] . 8 H2O could be obtained. All of them crystallize in the monoclinic system, space group P2(1)/c (alpha: a = 1091.47(6), b = 728.24(4), c = 1388.84(8) pm, beta = 101.420(3)degrees; beta: a = 1169.93(3), b = 728.72(2), c = 1384.50(4) pm, beta = 112.303(2)degrees; gamma: a = 1209.56(4), b = 712.53(2), c = 1361.64(5) pm, beta = 115.691(1)degrees). The structures contain Pr3+ cations which are coordinated by [H2I2O10](4-) anions yielding two-dimensional networks. These networks are separated by ClO4- anions yielding a layered structure.

Place, publisher, year, edition, pages
2004. Vol. 630, no 2, 309-312 p.
Keyword [en]
praseodymium, perchlorate, periodate, crystal structure, polymorphism, sm
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-23196DOI: 10.1002/zaac.200300326ISI: 000189145800022ScopusID: 2-s2.0-1242306779OAI: diva2:341894
QC 20100525 QC 20111031Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-10-31Bibliographically approved

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