1 H– 31 P HETCOR NMR elucidates the nature of acid sites in zeolite HZSM-5 probed with trimethylphosphine oxide
Two-dimensional 1 H– 31 P heteronuclear correlation NMR of trimethylphosphine oxide (TMPO) adsorbed in zeolites, in tandem with DFT calculations, challenges previous one-dimensional 31 P NMR assignments, enabling the unambiguous discrimination of Brønsted and Lewis acid sites, extending the understa...
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| Veröffentlicht in: | Chemical communications (Cambridge, England) England), 2019-10, Vol.55 (84), p.12635-12638 |
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| container_issue | 84 |
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| container_title | Chemical communications (Cambridge, England) |
| container_volume | 55 |
| creator | Bornes, Carlos Sardo, Mariana Lin, Zhi Amelse, Jeffrey Fernandes, Auguste Ribeiro, Maria Filipa Geraldes, Carlos Rocha, João Mafra, Luís |
| description | Two-dimensional
1
H–
31
P heteronuclear correlation NMR of trimethylphosphine oxide (TMPO) adsorbed in zeolites, in tandem with DFT calculations, challenges previous one-dimensional
31
P NMR assignments, enabling the unambiguous discrimination of Brønsted and Lewis acid sites, extending the understanding of TMPO:Brønsted complexes formed with distinct stoichiometries at the HZSM-5 zeolite surface, and the proton-transfer mechanism. |
| doi_str_mv | 10.1039/C9CC06763A |
| format | Article |
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H–
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P heteronuclear correlation NMR of trimethylphosphine oxide (TMPO) adsorbed in zeolites, in tandem with DFT calculations, challenges previous one-dimensional
31
P NMR assignments, enabling the unambiguous discrimination of Brønsted and Lewis acid sites, extending the understanding of TMPO:Brønsted complexes formed with distinct stoichiometries at the HZSM-5 zeolite surface, and the proton-transfer mechanism.</abstract><doi>10.1039/C9CC06763A</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-0417-9402</orcidid><orcidid>https://orcid.org/0000-0002-5984-7228</orcidid><orcidid>https://orcid.org/0000-0002-0837-8329</orcidid><orcidid>https://orcid.org/0000-0001-6545-073X</orcidid><orcidid>https://orcid.org/0000-0002-0325-2356</orcidid><orcidid>https://orcid.org/0000-0003-1028-8354</orcidid><orcidid>https://orcid.org/0000-0003-3208-4387</orcidid><orcidid>https://orcid.org/0000-0002-1267-5190</orcidid><orcidid>https://orcid.org/0000-0001-9538-821X</orcidid></addata></record> |
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| ispartof | Chemical communications (Cambridge, England), 2019-10, Vol.55 (84), p.12635-12638 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | 1 H– 31 P HETCOR NMR elucidates the nature of acid sites in zeolite HZSM-5 probed with trimethylphosphine oxide |
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