Samarium, Europium, and Gadolinium Complexes with 4-(2,1,3-Benzothiadiazol-4-ylamino)pent-3-en-2-onate


Citar

Texto integral

Acesso aberto Acesso aberto
Acesso é fechado Acesso está concedido
Acesso é fechado Somente assinantes

Resumo

New lanthanide complexes with 4-(2,1,3-benzothiadiazol-4-ylamino)pent-3-en-2-onate (L) [Ln(L)3] are synthesized using two methods: by the reaction of Ln(N(SiMe3)2)3 with the protonated form of the ligand LH (Ln = Sm, Gd) and by the reaction of LnCl3 (Ln = Eu) with LH in the presence of KN(SiMe3)2 as a base. According to the X-ray diffraction data, the synthesized complexes [Ln(L)3] · 0.5Solv (Solv = THF, C7H8) are isotypical (CIF files CCDC nos. 1826520, 1826521, and 1826522 for Sm, Eu, and Gd, respectively). A specific feature of the structures is the disordering of the metal atom and one of the ligands over two positions when the fragments of the ligands are arranged via the head-to-tail type occupying the same volume of the space. This probably leads to failure in the crystal lattice. The photoluminescence spectra of [Sm(L)3] · 0.5THF are recorded. A relationship between the coordination mode of the ligand and the position of the long-wavelength band of the electron transitions in the complexes with the L ligand is revealed.

Sobre autores

T. Sukhikh

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Autor responsável pela correspondência
Email: sukhikh@niic.nsc.ru
Rússia, Novosibirsk; Novosibirsk

D. Ogienko

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences

Email: sukhikh@niic.nsc.ru
Rússia, Novosibirsk

D. Bashirov

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: sukhikh@niic.nsc.ru
Rússia, Novosibirsk; Novosibirsk

N. Kurat’eva

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: sukhikh@niic.nsc.ru
Rússia, Novosibirsk; Novosibirsk

A. Smolentsev

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences

Email: sukhikh@niic.nsc.ru
Rússia, Novosibirsk

S. Konchenko

Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: sukhikh@niic.nsc.ru
Rússia, Novosibirsk; Novosibirsk

Arquivos suplementares

Arquivos suplementares
Ação
1. JATS XML

Declaração de direitos autorais © Pleiades Publishing, Ltd., 2019