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Copper(i) iodide complexes derived from N-alkyl-1,3,5-triaza-7-phosphaadamantanes; synthesis, crystal structures, photoluminescence, and identification of the unprecedented {Cu3I5}2- cluster.
Autorzy
Rok wydania
2009
Czasopismo
Numer woluminu
28
Strony
6425-6431
DOI
10.1021/om900591q
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The new luminescent mononuclear [CuI(PTA-Me)3](I)3 (1) and [CuI(PTA-Et)3](I)3 (2) and trinuclear [Cu3I2(μ-I)(μ3-I)2(PTA-Pr)2] (3) copper(I) complexes have been easily prepared, in aqueous medium and at ambient conditions, from copper(II) nitrate and N-methyl-, N-ethyl-, and N-propyl-1,3,5-triaza-7-phosphaadamantane iodides [PTA-R]I (R = Me, Et, nPr), respectively. They have been fully characterized by IR, 1H and 31P NMR spectroscopies, FAB-MS+, and elemental and single-crystal X-ray diffraction analyses, the latter featuring a novel type of tricopper iodide {Cu3I2(μ-I)(μ3-I)2}2− cluster. Compounds 1, 2, and 3 exhibit distinct photoluminescence in the solid state, DMSO solution, and frozen glass, thus extending to copper centers the application (previously limited to only Au complexes) of 1,3,5-triaza-7-phosphaadamantane (PTA) or any of its derivatives toward the preparation of luminescent organometallic materials. In addition, complex 3 widens the cluster chemistry of PTA, providing the first example of a metal halide cluster bearing a cage-like PTA core.
Adres publiczny
https://doi.org/10.1021/om900591q
Strona internetowa wydawcy
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