12121-06-1Relevant articles and documents
A fresh look at the structural diversity of dibenzoylmethanide complexes of lanthanides
Sukhikh, Taisiya S.,Kolybalov, Dmitry S.,Pylova, Ekaterina K.,Bashirov, Denis A.,Komarov, Vladislav Y.,Kuratieva, Natalia V.,Smolentsev, Anton I.,Fitch, Andrew N.,Konchenko, Sergey N.
, p. 9934 - 9942 (2019)
An analysis of known synthetic methods for dibenzoylmethanide (dbm-) complexes of lanthanides of different nuclearity, viz. [Ln(dbm)3(H2O)], [Ln4(dbm)10(OH)2], [Ln5(dbm)10(OH)5] and [KLn(dbm)4]n (Ln = Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb) has been carried out. These methods have been optimized, the range of lanthanides for the compounds extended, and novel complex species, viz. [KLn(Me2CO)(dbm)4]2 (Ln = Eu, Dy, Yb) and [Nd3(dbm)8(OH)(H2O)], have been produced. The nature of the lanthanides in some cases affects the composition of the products formed. The compound [KEu(Me2CO)(dbm)4]2 in solution can transform to [KEu(dbm)3(OBz)]n, containing benzoate (OBz-). For the seven new complexes, the crystal structures have been determined by X-ray diffraction. Photoluminescent properties of the europium complexes have been studied. Their composition and structure influence the emission band shape and quantum yields. Two solid solutions of heterolanthanide complexes [ErxYb5-x(dbm)10(OH)5] (x = 1.2, 2.0) have been prepared, as shown by high-resolution powder XRD analysis.
Hypersensitive transition probability in tris(1,3-diphenyl-1,3-propanedionato)aquolanthanides(III)
Kirby, Andrew Fuller,Palmer, Richard Alan
, p. 4219 - 4222 (2008/10/08)
Experimental oscillator strengths are found for f → f electronic transitions in solid-state tris(1,3-diphenyl-1,3-propanedionato)aquolanthanides(III) and used in the determination of Judd-Ofelt parameters. The dynamic coupling model is employed to predict
