{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T20:10:22Z","timestamp":1792008622895,"version":"4.4.0"},"reference-count":47,"publisher":"Wiley","issue":"38","license":[{"start":{"date-parts":[[2024,5,14]],"date-time":"2024-05-14T00:00:00Z","timestamp":1715644800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2024,7,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Metal\u2010free boron\u2010based catalysts such as boron oxide (B<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub>) and boron nitride (<jats:italic>h<\/jats:italic>\u2010BN) are promising catalysts for methane oxidation to HCHO and CO. The B<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> catalyst contains various probable boron sites (B<jats:sup>1<\/jats:sup> to B<jats:sup>6<\/jats:sup>), which may be responsible for methane oxidation. In this work, we utilized density functional theory to compare two relevant geometrically identical boron sites (B<jats:sup>2<\/jats:sup> and B<jats:sup>4<\/jats:sup>) for their reactivities. The two sites are explored in\u2010detail for the conversion of methane to formaldehyde (M2F), carbon monoxide and carbon dioxide. The B<jats:sup>4<\/jats:sup> site activates the methane C\u2212H bond easily as compared to the B<jats:sup>2<\/jats:sup> site. In M2F conversion, the rate\u2010determining step for the B<jats:sup>2<\/jats:sup> site is the co\u2010activation of dioxygen and methane, whereas over the B<jats:sup>4<\/jats:sup> site, formaldehyde formation is the rate\u2010determining step. The computationally\u2010determined RDS for the B<jats:sup>4<\/jats:sup> site coincides well with the reported experiments. It is further revealed that this site also prefers the formation of CO over CO<jats:sub>2<\/jats:sub>, which is in\u2010line with the experiments in literature. It is also shown through orbital analysis that methanol formation does not occur during methane oxidation. We employed descriptors such as condensed Fukui functions and global electrophilicity index to chemically distinct these twin sites.<\/jats:p>","DOI":"10.1002\/chem.202401050","type":"journal-article","created":{"date-parts":[[2024,4,12]],"date-time":"2024-04-12T05:36:10Z","timestamp":1712900170000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Unidentical Twins: Geometrically Similar but Chemically Distinct Metal\u2010Free Sites in Boron Oxide for Methane Oxidation to HCHO, CO and CO<sub>2<\/sub>"],"prefix":"10.1002","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3268-9020","authenticated-orcid":false,"given":"Parveen","family":"Rawal","sequence":"first","affiliation":[{"name":"Computational Catalysis Center Department of Chemistry Indian Institute of Technology Roorkee  247667 Roorkee Uttarakhand 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