Issue 55, 2017

CO2 regulates molecular rotor dynamics in porous materials

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

Supplementary files

Article information

Article type
Communication
Submitted
18 Apr 2017
Accepted
19 Jun 2017
First published
19 Jun 2017

Chem. Commun., 2017,53, 7776-7779

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, 53, 7776 DOI: 10.1039/C7CC02983G

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