Journal
ORGANOMETALLICS
Volume 28, Issue 22, Pages 6425-6431Publisher
AMER CHEMICAL SOC
DOI: 10.1021/om900591q
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- Foundation for Science and Technology (FCT), Portugal
- Science 2007 programs
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The new luminescent mononuclear [CuI(PTA-Me)(3)](I)(3) (1) and [CuI(PTA-Et)(3)](I)(3) (2) and trinuclear [Cu3I2(mu-I)(mu(3)-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, H-1 and P-31 NMR spectroscopies, FAB-MS+, and elemental and single-crystal X-ray diffraction analyses, the latter featuring a novel type of tricopper iodide {Cu3I2(mu-I)(mu(3)-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,my 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.
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