Cs7Sm11[TeO3]12Cl16 and Rb7Nd11[TeO3]12Br16, the new tellurite halides of the tetragonal Rb6LiNd11[SeO3]12Cl16 structure type
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Two new rare-earth – alkali – tellurium oxide halides were synthesized by a salt flux technique and characterized by single-crystal X-ray diffraction. The structures of the new compounds Cs7Sm11[TeO3]12Cl16 (I) and Rb7Nd11[TeO3]12Br16 (II) (both tetragonal, space group I4/mcm) correspond to the sequence of [MLn11(TeO3)12] and [M6×16] layers and bear very strong similarities to those of known selenite analogs. We discuss the trends in similarities and differences in compositions and structural details between the Se and Te compounds; more members of the family are predicted.
Charkin , D O , Black , C , Downie , L J , Sklovsky , D E , Berdonosov , P S , Olenev , A V , Zhou , W , Lightfoot , P & Dolgikh , V A 2015 , ' Cs 7 Sm 11 [TeO 3 ] 12 Cl 16 and Rb 7 Nd 11 [TeO 3 ] 12 Br 16 , the new tellurite halides of the tetragonal Rb 6 LiNd 11 [SeO 3 ] 12 Cl 16 structure type ' Journal of Solid State Chemistry , vol 232 , pp. 56-61 . DOI: 10.1016/j.jssc.2015.08.043
Journal of Solid State Chemistry
Copyright © 2015 Published by Elsevier Inc. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at http://dx.doi.org/10.1016/j.jssc.2015.08.043
DescriptionThe authors thank the Russian Foundation for Basic Researches for the support of this work under Grants No. 14-03-00604_a and 12-03-92604-KO_a. The X-ray study of compound II was made possible due to M.V. Lomonosov Moscow State University Programm of Development. PL thanks the University of St Andrews and EPSRC for DTA Studentships to CB and LJD.
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