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Дата последнего поиска статьи во внешних источниках: 20 февраля 2024 г.
Аннотация:The reaction of 1,3,5-tris(diphenylphosphinylbenzene (L) with MnI2 in the presence of CuI (wet MeCN, 25°C, 30 min) leads to the formation of the complex [MnL4(H2O)2][Cu5I7(CH3CN)]·7MeCN with yield of 72%. The Mn2+ ion of this complex has a distorted Mn@O6 octahedral environment formed by four L ligandsand two coordinated water molecules. The [Cu5I7(CH3CN)]2– anion has an unprecedented structure of the {Cu5I7} framework, which contains five copper atoms bound by bridging iodide ions (μ2, μ3, and μ4), and also four short Cu···Cu contacts (<2.80 Å). It has been shown that the synthesized complex at 298 K exhibits weak photoluminescence attributed to cluster-centered phosphorescence from the iodocuprate anion.