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The use of advanced solid‐state NMR methods, combined with first‐principles calculations, highlight for the first time the formation of penta‐coordinated scandium in activated Sc3BTB2 and MIL‐100(Sc) MOFs upon dehydration. These coordinatively unsaturated sites correspond to the Lewis acid sites in MIL‐100(Sc), responsible for its catalytic activity. More information can be found in the Full Paper...
Advanced solid‐state NMR methods and first‐principles calculations demonstrate for the first time the formation of penta‐coordinated scandium sites. These coordinatively unsaturated sites were shown during the thermal activation of scandium‐based metal‐organic frameworks (MOFs). A 45Sc NMR experiment allows their specific observation in activated Sc3BTB2 (H3BTB=1,3,5‐tris(4‐carboxyphenyl)benzene)...
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