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Three mononuclear metal complexes [M II (L-N 3 O 2 )(MeCN) 2 ][BPh 4 ] 2 (M = Fe, 1 ; Co, 2 ; Ni, 3 ) were isolated and structurally characterized. Magnetic studies revealed uniaxial magnetic anisotropy for 1 ( D = −17.1 cm −1 ) and 3 ( D = −14.3 cm −1 ) and easy-plane magnetic anisotropy for 2 ( D = +36.9 cm −1 ). Slow magnetic relaxation was observed for complexes 1 and 2 under an applied magnetic field, both of which are dominated by a Raman process.more » « less
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Abstract While many metal oxalate salts are known, few are known to form zeolite‐type topologies. The construction of zeolite types, especially those with low framework density such as RHO, from linear ligands is generally perceived as less likely, because the 180° metal‐ligand‐metal geometry deviates too much from the established strategy of using ligands with bent coordination geometry (centered around 145°) to mimic the geometry in natural zeolites. We show the general feasibility of using linear ligands for the synthesis of zeolite types by reporting a family of indium oxalate salts with multiple zeolite topologies, including RHO, GIS, and ABW. Of particular interest is the synthesis of a zeolite RHO net with double 8‐rings and large alpha cages, which are highly desirable zeolite features.
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more » « less
Abstract While many metal oxalate salts are known, few are known to form zeolite‐type topologies. The construction of zeolite types, especially those with low framework density such as RHO, from linear ligands is generally perceived as less likely, because the 180° metal‐ligand‐metal geometry deviates too much from the established strategy of using ligands with bent coordination geometry (centered around 145°) to mimic the geometry in natural zeolites. We show the general feasibility of using linear ligands for the synthesis of zeolite types by reporting a family of indium oxalate salts with multiple zeolite topologies, including RHO, GIS, and ABW. Of particular interest is the synthesis of a zeolite RHO net with double 8‐rings and large alpha cages, which are highly desirable zeolite features.
