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|Title:||[An(H2O)9](CF3SO3)3 (An=U-Cm, Cf): Exploring Their Stability, Structural Chemistry, and Magnetic Behavior by Experiment and Theory|
|Authors:||APOSTOLIDIS Christos; SCHIMMELPFENNIG Bernd; MAGNANI Nicola; LINDQVIST-REIS Patric; WALTER Olaf; SYKORA Richard; MORGENSTERN Alfred; COLINEAU Eric; CACIUFFO Roberto; KLENZE R.; HAIRE Richard; REBIZANT J.; BRUCHERTSEIFER Frank; FANGHAENEL Thomas|
|Citation:||ANGEWANDTE CHEMIE-INTERNATIONAL EDITION vol. 49 p. 1-6|
|Publisher:||WILEY-V C H VERLAG GMBH|
|Type:||Articles in periodicals and books|
|Abstract:||We have reported a general and straightforward synthesis scheme for high-yield preparation of single-crystals of the oxidation-sensitive compounds 1(U-Pu), while a micro-synthesis approach was used for 1(Cf) owing to the scarcity and hard gamma emission of 249Cf. These compounds, in particular 1(U), may serve as alternative precursors to the well-established UI3(thf)4 and the recently introduced UI3 and U(CF3SO3)3.[ , ,12] In addition, we find that for similar An3+/Ln3+ ionic radii the [An(H2O)9]3+ and [Ln(H2O)9]3+ cation structures in 1(M) are almost identical. This reflects the electrostatic nature of the An/Ln-O bonds and thus suggests that the local structure of the hydrated ions in solution may also be similar. Finally, the magnetic susceptibilities of 1(U-Am) may be fully reproduced by ligand-field calculations, from which we can derive the 5f electronic level structures.|
|JRC Institute:||Nuclear Safety and Security|
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