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Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Researchers led by Ramesh Jasti designed and synthesized a molecule with three identical carbon nanohoops attached to a central triptycene skeleton. In the crystal, the molecules pack into layers that create hexagonal channels about 11 Å across—a structure that suggests possible porous-material uses, but does not yet demonstrate a working application.
What is the nanohoop molecular propeller?
It is a carbon-rich molecule shaped like a three-bladed propeller. Each blade is an identical carbon nanohoop, and all three are joined to a central triptycene skeleton. The University of Oregon Department of Chemistry and Biochemistry identified the work as research from the Jasti lab and linked it to the 2017 paper by P. Li, L. N. Zakharov, and R. Jasti, DOI 10.1002/anie.201700935.
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How were the three nanohoops connected?
The synthesis used palladium-catalysed coupling reactions followed by reductive aromatisation, according to Chemistry World’s account of the 2017 study. The resulting material was described as yellow crystals.
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What did the molecule’s structure reveal?
Chemistry World reported that the molecule has trigonal C3h symmetry and an 1H NMR spectrum with eight peaks. In the crystal, molecules assemble into layers of cyclic trimers. Those layers stack to form hexagonal channels with a reported diameter of 11 Å.
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A calculation described in the same account found that nearly half of the crystal volume is accessible. The channel dimensions and calculated open volume make the packing notable as a molecular structure, but they do not by themselves show that other molecules can be captured, transported, or stored in a practical setting.
Could the crystal act as a porous material?
Potentially, but that remains a research direction rather than a demonstrated use. Researchers explored whether the propeller could host other molecules, and the calculated accessible volume supports the possibility of a novel porous material. The reported account does not establish operational guest uptake, performance in a device, or commercial availability. It therefore supports describing the crystal as having porous-material potential—not as a proven or purchasable product.
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Sources
- Chemistry World, Fernando Gomollón-Bel, “Nanohoop trio makes molecular propeller,” 8 April 2017.
- University of Oregon Department of Chemistry and Biochemistry, “UO Research – Page 12 – Essential Elements,” 12 April 2017.
- Li, P., Zakharov, L. N., and Jasti, R., 2017 paper, DOI 10.1002/anie.201700935.
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