Pentanuclear Ba(II) complex of a macrocyclic ligand |
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Authors: | Freiría Alberto Bastida Rufina del Carmen Fernández-Fernández M Macías Alejandro Valencia Laura Vicente Manuel |
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Institution: | Departamento de Química Inorgánica, Universidad de Santiago de Compostela, Santiago de Compostela, Spain. |
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Abstract: | We report here the first pentanuclear Ba(II) complex of a new tri-aza, tri-oxa macrocycle with two carboxymethyl "arms" pending from two N atoms, H2L2. The crystal structure corresponds to the formula Ba5(H0.375L2)4(ClO4)(CH3CH2OH)(H2O)2](ClO4)2.5 x 9.5H2O and reveals the presence of four molecules of the ligand surrounding five Ba(II) ions, giving rise to an unusual structure with the metal ions inside a spherical organic cavity. |
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