Crystallographic-Morphological Connections in Star Shaped Metal-Organic Frameworks

Maria Chiara di Gregorio, Vivek Singh, Linda J W Shimon, Michal Lahav, Milko E van der Boom

Research output: Contribution to journalArticlepeer-review


The symmetry of a crystal's morphology usually reflects the symmetry of the crystallographic packing. For single crystals, the space and point groups allow only a limited number of mathematical descriptions of the morphology (forms), all of which are convex polyhedrons. In contrast, concave polyhedrons are a hallmark of twinning and polycrystallinity and are typically inconsistent with single crystallinity. Here we report a new type of structure: a concave polyhedron shape single crystal having a multidomain appearance and a rare space group ( 622). Despite these unusual structural features, the hexagonal symmetry is revealed at the morphological levels.
Original languageEnglish
Pages (from-to)22838-22843
Number of pages6
JournalJournal of the American Chemical Society
Issue number50
StatePublished - 12 Dec 2022


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