Synthesis and crystal structures of PrIII and NdIII complexes with the macrocyclic cavitand cucurbit[6]uril |
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| Authors: | E A Mainicheva A A Tripolskaya O A Gerasko D Yu Naumov V P Fedin |
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| Institution: | (1) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 prosp. Akad. Lavrentieva, 630090 Novosibirsk, Russian Federation |
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| Abstract: | The {Pr(NO3)2(H2O)3}{Pr(NO3)(H2O)4} (C36H36N24O12)](NO3)3·4H2O and {Nd(NO3)(H2O)4} 2(NO3@C36H36N24O12)]Nd(NO3)6] complexes were prepared by heating a mixture of lanthanide nitrates, cucurbit6]uril, and water in a sealed tube. X-ray
diffraction study demonstrated that the metal atoms in the former complex are linked to the macrocycle through tridentate
coordination of the portal oxygen atoms of cucurbit6]uril to the praseodymium(III) cation. The neodymium(III) complex is
the first example of lanthanide compounds with cucurbit6]uril belonging to coordination polymers.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1511–1517, September, 2006. |
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| Keywords: | praseodymium neodymium aqua complex cucurbit[6]uril crystal structure X-ray diffraction analysis |
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