Complexation of trimeric copper(I) and silver(I) 3,5-bis(trifluoromethyl)pyrazolates with amine-boraneстатья
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Дата последнего поиска статьи во внешних источниках: 11 марта 2017 г.
Аннотация:A complexation of trimeric copper(i) and silver(i) 3,5-bis(trifluoromethyl)pyrazolates ((ML)(3)) with BH3NEt3 was studied by IR spectroscopy in hexane and dichloromethane solutions. In hexane, two complexes [(ML)(3)][BH3NEt3](2) (1) and [(ML)(3)][BH3NEt3] (2) were formed depending on the ratio of reagents. In dichloromethane, only one complex [(ML)(3)][BH3NEt3] (2) was found. The thermodynamic parameters (Delta H (au <), Delta S (au <)) of complex 1 in hexane and complex 2 in dichloromethane were obtained. The complex [(AgL)(3)][BH3NEt3] was isolated in the solid state, its structure was established by X-ray diffraction. The complex is formed due to two bridges B-H-Ag, one BH group is not involved in the complexation. In crystal, molecules 2 form supramolecular dimers due to the intermolecular interactions between metals of two macrocycles.