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Crystal Structure of the Heteroligand Complex [(2-Br-5-MePy) 2 CoCl 2 ] · (2-Br-5-MePy): Formation of Supramolecular Associates due to the Halogen Bond
Russian Journal of Coordination Chemistry ( IF 1.9 ) Pub Date : 2020-03-18 , DOI: 10.1134/s1070328420010017
S. A. Adonin , A. S. Novikov , V. P. Fedin

Abstract

The reaction of CoCl2 with 2-bromo-5-methylpyridine (2-Br-5-MePy) in ethanol affords the het-eroligand complex [(2-Br-5-MePy)2CoCl2] · (2-Br-5-MePy) (I), the structure of which is determined by X-ray diffraction analysis (СIF file ССDС no. 1921405). Specific noncovalent interactions Cl···Br (halogen bond) are observed in the crystal structure and lead to the formation of unidimensional supramolecular polymers. The energies of these contacts are determined using quantum-chemical methods.


中文翻译:

杂配体[(2-Br-5-MePy)2 CoCl 2]·(2-Br-5-MePy)的晶体结构:由于卤素键形成超分子缔合体。

摘要

CoCl 2与2-溴-5-甲基吡啶(2-Br-5-MePy)在乙醇中的反应得到杂-配体配合物[(2-Br-5-MePy)2 CoCl 2 ]·(2-Br- 5-MePy)(I),其结构通过X射线衍射分析确定(СIF文件СD编号1921405)。在晶体结构中观察到特定的非共价相互作用Cl··Br(卤素键),并导致一维超分子聚合物的形成。这些接触的能量是使用量子化学方法确定的。
更新日期:2020-03-18
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