Nd₂K₂IrO₇ and Sm₂K₂IrO₇: Iridium(VI) Oxides Prepared under Ambient Pressure

No pressure: The most‐oxidized iridium oxides known to date are prepared in a hydroxide flux under normal pressure. They contain iridium centers exclusively in the +VI oxidation state and are characterized crystallographically. The picture shows the structure of the Ln2K2IrO7 (Ln=Nd, Sm) and its str...

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Veröffentlicht in:	Angewandte Chemie (International ed.) 2009-01, Vol.48 (1), p.215-218
Hauptverfasser:	Mugavero, Samuel J. III, Smith, Mark D, Yoon, Won-Sub, zur Loye, Hans-Conrad
Format:	Artikel
Sprache:	eng
Schlagworte:	high oxidation state HYDROXIDES INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IRIDIUM IRIDIUM OXIDES national synchrotron light source OXIDES structure elucidation VALENCE X-ray absorption spectroscopy
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Beschreibung
Zusammenfassung:	No pressure: The most‐oxidized iridium oxides known to date are prepared in a hydroxide flux under normal pressure. They contain iridium centers exclusively in the +VI oxidation state and are characterized crystallographically. The picture shows the structure of the Ln2K2IrO7 (Ln=Nd, Sm) and its structural components: IrO6 octahedra (black), KO10 polyhedra (beige), LnO10 polyhedra (blue).
ISSN:	1433-7851 0570-0833 1521-3773
DOI:	10.1002/anie.200804045