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CO2 regulates molecular rotor dynamics in porous materials

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Abstract

A crystalline hydrogen-bonded framework with permanent porosity, built by rod-like struts and engineered to bear ultra-fast molecular rotors between two triple bonds, offers the possibility of controlling the rotational rates upon CO2 adsorption. CO2 enters the pores from the gas phase and reduces the rotational rates from the extremely fast regime of 107 Hz at 216 K to 105 Hz. The CO2–rotor interaction was evident from the 2H NMR response to the dynamics of the rotors in contact with CO2 in the crystal structure.

Graphical abstract: CO2 regulates molecular rotor dynamics in porous materials

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Publication details

The article was received on 18 Apr 2017, accepted on 19 Jun 2017 and first published on 19 Jun 2017


Article type: Communication
DOI: 10.1039/C7CC02983G
Citation: Chem. Commun., 2017, Advance Article
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    CO2 regulates molecular rotor dynamics in porous materials

    S. Bracco, T. Miyano, M. Negroni, I. Bassanetti, L. Marchio', P. Sozzani, N. Tohnai and A. Comotti, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC02983G

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