Abstract
A chiral Schiff-base Mn(III) compound containing cocrystallized crown ether {Mn[(R,R)-Salcy]·(H2O)2}2(ClO4)2·18-Crown-6 (I), where (R,R)-Salcy = (R,R)-N, N′-(1,2-cyclohexanediylethylene)bis(salicylideneiminato) dianion, has been synthesized by the reaction of {Mn[(R,R)-Salcy](H2O)2}ClO4 with 18-crown-6 ether and K4[Mo(CN)8]. X-ray diffraction analysis revealed that the cationic mononuclear Mn(III) Schiff-base compounds were self-complementary via intermolecular O-H⋯O H-bond formed by coordinated aqua ligand of one molecule and phenolic oxygen atoms of the neighboring molecule, giving supramolecular dimeric structure. The H-bond between O atoms of the cocrystallized crown molecule and that of the mentioned above dimer supported formation of one-dimensional supramolecular chain structure which can be linked to two-dimensional supramolecular network based on intermolecular O-H⋯Cl weak interactions. Our study of its magnetic properties revealed weak antiferromagnetic coupling between the adjacent Mn(III) ions.
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Wang, P., Kong, L., Zhang, H. et al. Synthesis, crystal structure, and magnetic characterization of chiral Schiff-base manganese(III) complex containing cocrystallized crown ether molecule. Russ J Gen Chem 85, 974–978 (2015). https://doi.org/10.1134/S1070363215040349
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DOI: https://doi.org/10.1134/S1070363215040349