期刊
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY
卷 63, 期 12, 页码 1552-1557出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036023618120148
关键词
coordination compounds; solid-phase synthesis; allomerism; decahydro-closo-decaborate anion; zinc; cadmium; azaheterocyclic ligands; X-ray powder diffraction
资金
- Program of the Presidium of the Russian Academy of Sciences
- (PRAN 35)
The reactivity of the decahydro-closo-decaborate anion in the complexation of metals being among intermediates acids in the concept of the Pearson's theory of hard and soft acids and bases is studied systematically in the presence of competitive ligands L. In continuing these studies, we have synthesized Zn(II) and Cd(II) complexes of the composition [M(DMF)(6)][B10H10] (M = Zn(II), Cd(II)) and studied them by physicochemical analyses (IR and UV spectroscopy, X-ray powder diffraction). The possibility of their use in solid-phase synthesis of the corresponding trischelate complexes [M(Bipy)(3)][B10H10] has been found. Complexes [M(DMF)(6)][B10H10] are formed by the reaction between triethylammonium closo-decaborate with metal nitrates in DMF. The compounds are isostructural with the corresponding Co(II) and Ni(II) complexes [M(DMF)(6)][B10H10]. Specific interactions have been found between the BH groups of the boron clusters and CH groups of the DMF molecules. According to the data of IR and UV spectroscopy, the complexes contain specific B-HC-H interactions. The corresponding tris-chelate complexes of the metals [M(Bipy)(3)][B10H10] are also isostructural.
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