Jarosław Chojnacki - Publications - Bridge of Knowledge

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Year 2014
  • New lanthanide–CB[6] coordination compounds: relationships between the crystal structure and luminescent properties
    Publication
    • F. F. da Silva
    • C. A. F. de Oliveira
    • E. H. L. Falcão
    • J. Chojnacki
    • J. L. Neves
    • S. Alves Junior

    - DALTON TRANSACTIONS - Year 2014

    The reaction between cucurbit[6]uril (CB[6]) and lanthanide chlorides (Eu, Sm, Tb and Tm) in acidic aqueous media led to four new structures. The compounds obtained are isostructural with general formula [Ln2(H2O)12(H2O@CB[6])]Cl6(H2O)4 (Ln = Eu3+ (1), Sm3+ (2), Tb3+ (3) and Tm3+ (4)) and crystallize in the P21/c space group. For the complexes with Eu3+, Sm3+ and Tb3+, the luminescent properties in the solid state and aqueous media...

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  • Preparation and X-ray structures of selected aminium thiosulfates

    Various types of aminium thiosulfates (1–6), including hydrates and mixed salts, have been obtained by the reaction of ammonium thiosulfate with amines. Tertbutylamine, cyclo-hexylamine and 1,6-diaminohexane gave crystals of (t-BuNH3)2S2O3·H2O (1), (c-C6H11NH3)2S2O3 (3) and {(NH4)2(H3NC6H12NH3)(S2O3)2} (6), respectively, which were investigated by X-ray structural analysis. Extensive hydrogen bonding of the N-H…O and N-H…S type...

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Year 2013
Year 2012

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