Abstract

Crystallization of Co(NO3)2 with 4-(imidazol-1-yl)phenol (L) gave a complex formulated as [Co(L)6](NO3)2, whose X-ray crystal structure revealed a twofold inclined interpenetrated network supported by extensive hydrogen bonding and π–π stacking interactions. Crystallization of Co(ClO4)2, L and dicyanamide (dca) in ethanol gave a complex formulated as [Co(L)4(μ-dca)] n (ClO4) n ·4n(EtOH)·nH2O. The X-ray crystal structure of this complex consisted of a three-dimensional open framework, constructed by one-dimensional coordination chains through extensive interchain quadruplicate hydrogen bonding interactions between the phenols and uncoordinated amides. The magnetic properties of [Co(L)4(μ-dca)] n (ClO4) n ·4n(EtOH)·nH2O have been studied, revealing weak antiferromagnetic exchange between cobalt atoms. Crystallization of Co(NO3)2 with 4-(imidazol-1-yl)phenol (L) gave a complex formulated as [Co(L)6](NO3)2, whose X-ray crystal structure revealed a twofold inclined interpenetrated network constructed by extensive hydrogen bonding and π–π interaction. Crystallization of Co(ClO4)2, L and sodium dicyanamide (Na(dca)) in ethanol gave a complex formulated as [Co(L)4(μ-dca)] n (ClO4) n ·4n(EtOH)·nH2O, which is a three-dimensional open framework, constructed by one-dimensional coordination chains through extensive interchain quadruplicate hydrogen bonding interactions between the phenols and uncoordinated amides.

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