Ni(II), Co(II), Cu(II), Zn(II) and Na(I) complexes of a hybrid ligand 4 '-(4 '''-benzo-15-crown-5)-methyloxy-2,2 ':6 ',2 ''-terpyridineстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Eleven complexes of a hybrid ligand 4'-(4'"-benzo-15-crown-5)-methyloxy-2,2': 6', 2"-terpyridine (L) were synthesized and characterised by elemental analysis, IR-spectroscopy and X-ray analysis. The crystal structures of seven complexes were determined either from single-crystal data ([NaNCS center dot L] (6) and [CuL(2)center dot NaNCS center dot Na(NCS)(2)](+)center dot NCS(-)center dot CH(3)CN (11)) or from powder diffraction data ([CoL(2)](2+)center dot 2NCS-(5) and [ML(2)](2+)center dot 2PF(6)(-)center dot nEtOH center dot mH(2)O, M = Ni(II) (1), Co(II) (2), Cu(II) (3), Zn(II) (4)) and revealed good coordinating properties of the ligand L and structural diversity of the obtained compounds. In compounds 1-5, the p-p interactions between pyridine rings or between pyridine and benzene rings play an important role in association of the cations.