resumo
Two novel compounds with the molecular formula (H3O)(3)[PM12O40]-3(C28H40O10) [where C28H40O10 = dibenzo-30-crown-10 and M = W (1) or Mo (2)] were isolated in the solid state and their crystal structures were determined by single-crystal X-ray diffraction. The compounds were further characterized using FT-IR, FT-Raman, solid-state magic-angle-spinning NMR and elemental analysis. These supramolecular organic-inorganic hybrid frameworks are formed by one alpha-Keggin-type [PM12O40](3-) polyoxoanion and three {(H3O)(C28H40O10)}(+) monocationic hydrogen-bonded fragments. (C) 2007 Elsevier B.V. All rights reserved.
palavras-chave
X-RAY-DIFFRACTION; SOLID-STATE; CROWN-ETHER; RARE-EARTH; STRUCTURAL-CHARACTERIZATION; SUPERMOLECULAR COMPOUND; MACROCYCLIC POLYETHERS; POTASSIUM THIOCYANATE; NANOSTRUCTURED FILMS; LANTHANIDE COMPLEXES
categoria
Chemistry
autores
Soares-Santos, PCR; Cunha-Silva, L; Sousa, FL; Mafra, L; Rocha, J; Cavaleiro, AMV; Trindade, T; Paz, FAA; Klinowski, J; Nogueira, HIS
nossos autores
Ana Maria Vieira Silva Viana Cavaleiro
Professor Catedrático
Filipa Lourosa Sousa
Investigador Júnior
Filipe Alexandre Almeida Paz
Investigador Principal
Helena Isabel Seguro Nogueira
Professor Auxiliar com Agregação
João Rocha
Prof. Catedrático
Luís Mafra
Investigador Principal
Paula Cristina Ramos Soares e Santos
Técnico de Laboratório
Tito Trindade
Professor Catedráticoagradecimentos
We are grateful to FEDER, POCI and Fundacao para a Ciencia e a Tecnologia (Portugal) for financial support (POCI/QUI/58887/2004) and the post-doctoral research Grants No. SFRH/BPD/14954/2004 (to P.C.R.S.-S.) and SFRH/BPD/14410/2003 (to L.C.-S.).