Abstract
Iron(II) complexes with 18- and 20-membered hexaaza macrocyclic ligands were entrapped in the nanoreactors of zeolite-Y by a two-step process in the liquid phase: (i) adsorption of [bis(diamine)iron(II)] (diamine = 1,2-diaminoethane, 1,3-diaminopropane, 1,2-diaminobenzene, 1,3-diaminobenzene); [Fe(N–N) 2] 2+–NaY; in the nanoreactors of the zeolite, and (ii) template condensation of the iron(II) precursor complex with 2,6-diacetylpyridine.The mode of bonding and overall geometry of the complexes and new complex nanoparticles entrapped in the nanoreactor of zeolite-Y ([Fe([18 or 20]py 2N 4)] 2+–NaY, [Fe(Bzo 2[18 or 20]py 2N 4)] 2+–NaY) has been inferred through FT-IR, TGA, XRD, XPS spectroscopic techniques and elemental analysis as well as nitrogen adsorption.
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