Title
Ordering of <tex>$Pd^{2+}$</tex> and <tex>$Pd^{4+}$</tex> in the mixed-valent palladate <tex>$KPd_{2}O_{3}$</tex> Ordering of <tex>$Pd^{2+}$</tex> and <tex>$Pd^{4+}$</tex> in the mixed-valent palladate <tex>$KPd_{2}O_{3}$</tex>
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Easton, Pa ,
Subject
Physics
Source (journal)
Inorganic chemistry / American Chemical Society. - Easton, Pa
Volume/pages
49(2010) :4 , p. 1295-1297
ISSN
0020-1669
ISI
000274240700009
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A new potassium palladate KPd2O3 was synthesized by the reaction of KO2 and PdO at elevated oxygen pressure. Its crystal structure was solved from powder X-ray diffraction data in the space group Rm (a = 6.0730(1) Å, c = 18.7770(7) Å, and Z = 6). KPd2O3 represents a new structure type, consisting of an alternating sequence of K+ and Pd2O3− layers with ordered Pd2+ and Pd4+ ions. The presence of palladium ions in di- and tetravalent low-spin states was confirmed by magnetic susceptibility measurements.
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