All-carbon supramolecular complexation of a bilayer molecular nanographene with [60] and [70]fullerenes
Supramolecular chemistry of carbon-based materials provides a variety of chemical structures with potential applications in materials science and biomedicine. Here, we explore the supramolecular complexation of fullerenes C60 and C70, highlighting the ability of molecular nanographene tweezers to ca...
| Authors: | , , , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 2025 |
| Country: | España |
| Institution: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repository: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:10256/26589 |
| Online Access: | http://hdl.handle.net/10256/26589 |
| Access Level: | Open access |
| Keyword: | Química supramolecular Ful·lerens Nanoquímica Supramolecular chemistry Fullerenes Nanochemistry |
| Summary: | Supramolecular chemistry of carbon-based materials provides a variety of chemical structures with potential applications in materials science and biomedicine. Here, we explore the supramolecular complexation of fullerenes C60 and C70, highlighting the ability of molecular nanographene tweezers to capture these structures. The binding constant for the CNG-1⸧C70 complex was significantly higher than for CNG-1⸧C60, showing clear selectivity for the more π-extended C70. DFT calculations confirmed these experimental results by showing that the interaction energy of C70 with CNG-1 is more than 5 kcal/mol higher than that of C60. The theoretical calculations nicely predict that the dispersion interaction provides about 58-59% of the total interaction energy, followed by electrostatic attraction with 26% and orbital interactions, which contribute 15-16%. The racemic nanographene tweezers effectively recognize fullerene molecules and hold promise for future applications in chiral molecule recognition |
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