Bedeković Nikola, Martinez Valentina, Topić Edi, Stilinović Vladimir, Cinčić Dominik
Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102A, 10 000 Zagreb, Croatia.
Laboratory for Green Synthesis, Ruđer Bošković Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
Materials (Basel). 2020 May 21;13(10):2370. doi: 10.3390/ma13102370.
In this work, we explore the halogen-bonded cocrystallization potential of cobaloxime complexes in the synthesis of cocrystals with perhalogenated benzenes. We demonstrate a strategy for synthesizing halogen-bonded metal-organic cocrystals by utilizing cobaloximes whose pendant bromide group and oxime oxygen enable halogen bonding. By combining three well-known halogen bond donor molecules differing in binding geometry and composition with three cobaloxime units, we obtained a total of four previously unreported cocrystals. Single crystal X-ray diffraction experiments showed that the majority of obtained cocrystals exhibited the formation of the targeted I···O and I···Br motives. These results illustrate the potential of cobaloximes as halogen bond acceptors and indicate that this type of halogen bond acceptors may offer a novel route to metal-organic halogen-bonded cocrystals.
在这项工作中，我们探索了钴肟配合物在与全卤代苯合成共晶体过程中的卤键共结晶潜力。我们展示了一种利用钴肟合成卤键金属有机共晶体的策略，钴肟的侧链溴基团和肟氧能够形成卤键。通过将三种在结合几何结构和组成上不同的著名卤键供体分子与三个钴肟单元相结合，我们总共获得了四种此前未报道的共晶体。单晶X射线衍射实验表明，大多数获得的共晶体呈现出目标I···O和I···Br作用模式的形成。这些结果说明了钴肟作为卤键受体的潜力，并表明这类卤键受体可能为金属有机卤键共晶体提供一条新途径。
