Abstract
The crystal structure of new complexes of praseodymium(III) and ytterbium(III) (elements from the initial and final parts of the lanthanide series), namely, [Pr(NO3)3 (Terpy)((CH3)2CO)] (I) and [Yb(NO3)2(Terpy)(H2O)2]NO3 · 2H2O (II), is investigated. The structure of compound I consists of [Pr(NO3)3(Terpy)((CH3)2CO)] neutral complexes. The coordination number of the praseodymium atom is 10. The coordination polyhedron of the praseodymium atom can be described as a distorted bicapped tetragonal antiprism. The structure of compound II is composed of [Yb(NO3)2(Terpy)(H2O)2]+ cationic complexes, nitrate anions, and molecules of crystallization water. The structural components are joined together via a three-dimensional system of hydrogen bonds. The coordination polyhedron of the ytterbium atom can be represented as a distorted tricapped trigonal prism. The coordination number of the ytterbium atom is 9.
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Dedicated to the 50th Anniversary of the Journal
Original Russian Text © I.A. Charushnikova, C. Den Auwer, 2006, published in Kristallografiya, 2006, Vol. 51, No. 6, pp. 1048–1052.
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Charushnikova, I.A., Den Auwer, C. Crystal structure of new complexes of praseodymium(III) nitrate and ytterbium(III) nitrate with 2,2′: 6,2′′-terpyridine. Crystallogr. Rep. 51, 982–987 (2006). https://doi.org/10.1134/S1063774506060083
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DOI: https://doi.org/10.1134/S1063774506060083