53.6 MB (918.7 KB compressed)
5000 x 3750 pixels
42.4 x 31.8 cm ⏐ 16.7 x 12.5 in (300dpi)
ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Molecular crystal structure of a rotaxane. A rotaxane is a chemical compound composed of a linear molecular chain passing through a chainlike molecular ring. The entities that form rotaxanes, the linear and cyclic molecules, are bonded mechanically rather than chemically in what is called a topological bond. Rotaxane-based molecular compounds or molecular machines, have been interesting potential uses in molecular electronics, molecular switching elements and molecular shuttles. Shown is a crystal structure with an cyclodextrin macrocycle.
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