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Seven-Coordinate d0 and d10 Ions − Computational and Experimental Studies on Tris(tropolonato)metal(III)−TOPO Adducts by Jerzy Narbutt; Marian Czerwiński; Jadwiga Krejzler is a Chemistry article available to read on EtoBox.

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The stabilities of molecular adducts between tris(tropolonato)metal(III) chelates of some tripositive ions of Groups 3 and 13 and trioctylphosphane oxide (TOPO) were studied using both theoretical and experimental methods. Density-functional calculations were used to optimise the structure and characterise tris(tropolonates) of scandium and yttrium, a series of model chelates of gallium, indium, thallium, scandium, and yttrium, as well as the 1:1 adducts of these chelates with trimethylphosphane oxide. The calculated energy of adduct formation decreased in the order: Y Ͼ Sc Ͼ Tl Ͼ In. Stability constants of the 1:1 (and some 1:2) TOPO adducts in solution, determined by synergistic solvent extraction of metal tropolonates, decreased in the same order. Both

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Author

Jerzy Narbutt; Marian Czerwiński; Jadwiga Krejzler

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1434-1948)

Published

2001

Language

EN

Field

Chemistry (Physical Sciences)