Study of the complexation reactions between dichloro-substituted 1,10-phenanthroline-2,9-dicarboxamide and lanthanide nitrates

Ts. Sumyanova; N. Borisova; D. Volkova; R. Pankov

doi:10.1117/12.2590745

4 May 2021 Study of the complexation reactions between dichloro-substituted 1,10-phenanthroline-2,9-dicarboxamide and lanthanide nitrates

Ts. Sumyanova, N. Borisova, D. Volkova, R. Pankov

Author Affiliations +

Proceedings Volume 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling; 1184612 (2021) https://doi.org/10.1117/12.2590745
Event: Saratov Fall Meeting 2020, 2020, Saratov, Russian Federation

Abstract

Here we report the investigation of complexation between lanthanide ions nitrates and 4,7-dichloro-1,10-phenanthroline- 2,9-dicarboxamide by spectrophoitometric titration technique. In all studied systems, one complex species is formed with a metal-ligand stoichiometry of 1:1. The stability of the corresponding complexes are strongly depends on the metal ion radius. All of the complexes under the study have high stability, Lu and Gd complexes possesses lgβ more than 6 and Ho and Eu – more than 7.

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Ts. Sumyanova, N. Borisova, D. Volkova, and R. Pankov "Study of the complexation reactions between dichloro-substituted 1,10-phenanthroline-2,9-dicarboxamide and lanthanide nitrates", Proc. SPIE 11846, Saratov Fall Meeting 2020: Laser Physics, Photonic Technologies, and Molecular Modeling, 1184612 (4 May 2021); https://doi.org/10.1117/12.2590745

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