A detailed description of the CO molecule adsorbed in InOF-1

Literature Information

Publication Date 2020-03-16
DOI 10.1039/D0CP00579G
Impact Factor 3.676
Authors

Bruno Landeros-Rivera, Ilich A. Ibarra, Mariana L. Díaz-Ramírez, Rubicelia Vargas, Hugo A. Lara-García, Jorge Garza, Ana Martínez


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Abstract

CO is extremely toxic to humans since it can combine with haemoglobin to form carboxy-haemoglobin that reduces the oxygen-carrying capacity of blood. Metal–organic frameworks (MOFs), in particular InOF-1, are currently receiving preferential attention for the separation and capture of CO. In this investigation we report a theoretical study based on periodic density-functional-theory (DFT) analysis and matching experimental results (in situ DRIFTS). The aim of this article is to describe the non-covalent interactions between the functional groups of InOF-1 and the CO molecule since they are crucial to understand the adsorption mechanism of these materials. Our results show that the CO molecule mainly interacts with the μ2-OH hydroxo groups of InOF-1 through O–H⋯O hydrogen bonds, and C⋯π interactions by the biphenyl rings of the MOF. These results provide useful information on the CO adsorption mechanisms in InOF-1.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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