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Reversible repositioning of zinc atoms within single crystals of a zinc polycarboxylate with an open-framework structure
Authors:Hanson Kenneth  Calin Nathalie  Bugaris Daniel  Scancella Michael  Sevov Slavi C
Affiliation:Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, USA.
Abstract:
Upon dehydration at 220 degrees C under vacuum, an open-framework zinc tetrahydrofuran-2,3,4,5-tetracarboxylate undergoes reversible single crystal to single crystal conversion by some of the zinc atoms moving to different positions that are 3 A away. The reverse process occurs at room temperature by exposing dehydrated crystals to air.
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