A Neutral Heteroleptic Molybdenum Cluster trans-[{Mo6I8}(py)2I4]

Despite that the chemistry of octahedral cluster complexes has been actively developed recently, there are still a lot of unexplored areas. For example, to date, only a few halide M6-clusters with N-heterocycles are known. Here, we obtained an apically heteroleptic octahedral iodide molybdenum clust...

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Bibliographic Details
Published in:	Symmetry (Basel) 2022-10, Vol.14 (10), p.2117
Main Authors:	Marchuk, Margarita V., Vorotnikov, Yuri A., Ivanov, Anton A., Eltsov, Ilia V., Kuratieva, Natalia V., Shestopalov, Michael A.
Format:	Article
Language:	eng
Subjects:	absorption Clusters Crystal lattices crystal structure Iodine Ligands luminescence Molybdenum NMR Nuclear magnetic resonance octahedral iodide molybdenum clusters Optical properties pyridine Pyridines Radiation Single crystals Substitutes Symmetry X-rays
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Summary:	Despite that the chemistry of octahedral cluster complexes has been actively developed recently, there are still a lot of unexplored areas. For example, to date, only a few halide M6-clusters with N-heterocycles are known. Here, we obtained an apically heteroleptic octahedral iodide molybdenum cluster complex with pyridine ligands—trans-[{Mo6I8}(py)2I4] by the direct substitution of iodide apical ligands of [{Mo6I8}I6]2– in a pyridine solution. The compound co-crystalized with a monosubstituted form [{Mo6I8}(py)I5]– in the ratio of 1:4, and thus, can be described by the formula (pyH)0.2[{Mo6I8}(py)1.8I4.2]·1.8py. The composition was studied using XRPD, elemental analyses, and 1H-NMR and IR spectroscopies. According to the absorption and luminescence data, the partial substitution of apical ligands weakly affects optical properties.
ISSN:	2073-8994 2073-8994