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Significance Statement
The paper describes how cyanostar molecules bind with anions in 2-to-1 sandwich-like complexes, with anions sandwiched between two saucer-shaped cyanostars. The study shows the packing of the molecules in repeating patterns reminiscent of the two-dimensional packing of pentagons shown by artist Albrecht Durer in 1525. It further shows the packing to take place not only at but away from the surface of materials.
Chemical Communications, issue 69,2014.
Brandon E. Hirsch, Semin Lee, Bo Qiao, Chun-Hsing Chen, Kevin P. McDonald, Steven L. Tait, Amar H. Flood.
Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, USA .
ABSTRACT
Anions stabilize stacking of C5-symmetric macrocycles, called cyanostars, into dimers in solution and herein we demonstrate this stacking in solid-state crystals. We further show that this guest binding can be applied as a route to bilayer growth at the solution–graphite interface.
