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Optimal Binding of Acetylene to a Nitro-Decorated Metal-Organic Framework.


ABSTRACT: We report the first example of crystallographic observation of acetylene binding to -NO2 groups in a metal-organic framework (MOF). Functionalization of MFM-102 with -NO2 groups on phenyl groups leads to a 15% reduction in BET surface area in MFM-102-NO2. However, this is coupled to a 28% increase in acetylene adsorption to 192 cm3 g-1 at 298 K and 1 bar, comparable to other leading porous materials. Neutron diffraction and inelastic scattering experiments reveal the role of -NO2 groups, in cooperation with open metal sites, in the binding of acetylene in MFM-102-NO2.

SUBMITTER: Duong TD 

PROVIDER: S-EPMC6301758 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Optimal Binding of Acetylene to a Nitro-Decorated Metal-Organic Framework.

Duong Thien D TD   Sapchenko Sergey A SA   da Silva Ivan I   Godfrey Harry G W HGW   Cheng Yongqiang Y   Daemen Luke L LL   Manuel Pascal P   Ramirez-Cuesta Anibal J AJ   Yang Sihai S   Schröder Martin M  

Journal of the American Chemical Society 20181113 47


We report the first example of crystallographic observation of acetylene binding to -NO<sub>2</sub> groups in a metal-organic framework (MOF). Functionalization of MFM-102 with -NO<sub>2</sub> groups on phenyl groups leads to a 15% reduction in BET surface area in MFM-102-NO<sub>2</sub>. However, this is coupled to a 28% increase in acetylene adsorption to 192 cm<sup>3</sup> g<sup>-1</sup> at 298 K and 1 bar, comparable to other leading porous materials. Neutron diffraction and inelastic scatter  ...[more]

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