Abstract:
Comparison of chemical shift values for solid-state and solution 17O NMR shows that, in the solid dehydrated H3PW12O40, the terminal W=O oxygen atoms are the predominant protonation sites.
Document Type:
Article
Language: English
Citation:
I. V. Kozhevnikov, A. Sinnema, R. J. Jansen, H. van Bekkum, “17O NMR Determination of Proton Sites in Solid Heteropolyacid H3PW12O4o”, Mendeleev Commun., 4:3 (1994), 92–93
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This publication is cited in the following 11 articles:
Kodai Miyashita, Ryota Osuga, Shuhei Yasuda, Toshiyuki Yokoi, Shintaro Itagaki, Yasuhiro Hosogi, Junko N. Kondo, “Quantitative Estimation of Effective Brønsted Acid Sites of Silica-Supported H4SiW12O40 Heteropoly Acid for Adsorption of Various Molecules”, Langmuir, 2025
Kiria Kojima, Ryota Osuga, Shuhei Yasuda, Toshiyuki Yokoi, Yasuhiro Hosogi, Shintaro Itagaki, Yoshikuni Okumura, Junko N. Kondo, “Characterization of H4SiW12O40 supported on mesoporous silica (SBA-15), non-structured amorphous silica and γ-alumina”, Journal of Catalysis, 395 (2021), 387
K. Mohan Reddy, N. Lingaiah, P. S. Sai Prasad, I. Suryanarayana, “Acidity Constants of Supported Salts of Heteropoly Acids Using a Methodology Related to the Potentiometric Mass Titration Technique”, J Solution Chem, 35:3 (2006), 407
May Nyman, François Bonhomme, Todd M. Alam, John B. Parise, Gavin M. B. Vaughan, “[SiNb12O40]16- and [GeNb12O40]16-: Highly Charged Keggin Ions with Sticky Surfaces”, Angew Chem Int Ed, 43:21 (2004), 2787
Todd M. Alam, May Nyman, Brian R. Cherry, Judith M. Segall, Leslie E. Lybarger, “Multinuclear NMR Investigations of the Oxygen, Water, and Hydroxyl Environments in Sodium Hexaniobate”, J. Am. Chem. Soc., 126:17 (2004), 5610
May Nyman, François Bonhomme, Todd M. Alam, John B. Parise, Gavin M. B. Vaughan, “[SiNb12O40]16- and [GeNb12O40]16-: Highly Charged Keggin Ions with Sticky Surfaces”, Angewandte Chemie, 116:21 (2004), 2847
S. Ganapathy, M. Fournier, J. F. Paul, L. Delevoye, M. Guelton, J. P. Amoureux, “Location of Protons in Anhydrous Keggin Heteropolyacids H3PMo12O40and H3PW12O40by1H{31P}/31P{1H} REDOR NMR and DFT Quantum Chemical Calculations”, J. Am. Chem. Soc., 124:26 (2002), 7821
Ivan V. Kozhevnikov, “Catalysis by Heteropoly Acids and Multicomponent Polyoxometalates in Liquid-Phase Reactions”, Chem. Rev., 98:1 (1998), 171
I. V. Kozhevnikov, A. Sinnema, H. van Bekkum, M. Fournier, “17O MAS NMR study of 12-molybdophosphoric acid”, Catal Lett, 41:3-4 (1996), 153
IVAN V. KOZHEVNIKOV, “Heteropoly Acids and Related Compounds as Catalysts for Fine Chemical Synthesis”, Catalysis Reviews, 37:2 (1995), 311
I. V. KOZHEVNIKOV, A. SINNEMA, R. J. J. JANSEN, H. VAN BEKKUM, “ChemInform Abstract: 17O NMR Determination of Proton Sites in Solid Heteropolyacid H3PW12O40.”, ChemInform, 25:43 (1994)
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