Synthesis and Photoluminescence Properties of an Unprecedented Phosphinine–Cu4Br4 Cluster

A hitherto unprecedented polynuclear phosphinine–Cu(I) complex has been prepared and crystallographically characterized. The molecular structure in the crystal verifies the presence of the heterocubane-type tetrameric cluster [LCuBr]4 (L = 2,4-diphenyl-5-methyl-6-(2,3-dimethylphenyl)phosphinine), wh...

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Published inInorganic chemistry Vol. 53; no. 18; pp. 9855 - 9859
Main Authors Roesch, Philipp, Nitsch, Jörn, Lutz, Martin, Wiecko, Jelena, Steffen, Andreas, Müller, Christian
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 15.09.2014
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Summary:A hitherto unprecedented polynuclear phosphinine–Cu(I) complex has been prepared and crystallographically characterized. The molecular structure in the crystal verifies the presence of the heterocubane-type tetrameric cluster [LCuBr]4 (L = 2,4-diphenyl-5-methyl-6-(2,3-dimethylphenyl)phosphinine), which unexpectedly shows in the solid state temperature-independent orange phosphorescence solely from an 3XMLCT state, in clear contrast to the well-established dual-emissive-state model for luminescent Cu4X4L4 clusters.
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ISSN:0020-1669
1520-510X
DOI:10.1021/ic5014472