Synthesis and crystal structure of rare earth selenates Nd(HSeO4)3, Sm(HSeO4)3, and Nd2(SeO4)3 · 5H2O |
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| Authors: | M. A. Zakharov S. I. Troyanov E. Kemnitz |
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| Affiliation: | (1) Chemistry Department, Moscow State University, Vorob’evy gory, Moscow, 119992, Russia;(2) Institute of Inorganic Chemistry, Humboldt University, Berlin, 12489, Germany |
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| Abstract: | Single crystals of rare earth (RE) selenates of the compositions Nd(HSeO4)3, Sm(HSeO4)3, and Nd2(SeO4)3 · 5H2O are synthesized and studied by X-ray diffraction analysis at T = 297 and 180 K. It is established that Nd and Sm hydrogen selenates are isostructural to one another and to the corresponding hydrogen sulfates. Neodymium selenate pentahydrate is not isostructural to the analogous RE sulfates, although their structural motifs are similar. __________ Translated from Kristallografiya, Vol. 49, No. 5, 2004, pp. 835–840. Original Russian Text Copyright ? 2004 by Zakharov, Troyanov, Kemnitz. |
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