1
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Otaki H, Ishiuchi SI, Fujii M, Sugita Y, Yagi K. Similarity scores of vibrational spectra reveal the atomistic structure of pentapeptides in multiple basins. Phys Chem Chem Phys 2024; 26:9906-9914. [PMID: 38477212 DOI: 10.1039/d4cp00064a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Vibrational spectroscopy combined with theoretical calculations is a powerful tool for analyzing the interaction and conformation of peptides at the atomistic level. Nonetheless, identifying the structure becomes increasingly difficult as the peptide size grows large. One example is acetyl-SIVSF-N-methylamide, a capped pentapeptide, whose atomistic structure has remained unknown since its first observation [T. Sekiguchi, M. Tamura, H. Oba, P. Çarçarbal, R. R. Lozada-Garcia, A. Zehnacker-Rentien, G. Grégoire, S. Ishiuchi and M. Fujii, Angew. Chem., Int. Ed., 2018, 57, 5626-5629]. Here, we propose a novel conformational search method, which exploits the structure-spectrum correlation using a similarity score that measures the agreement of theoretical and experimental spectra. Surprisingly, the two conformers have distinctly different energy and geometry. The second conformer is 25 kJ mol-1 higher in energy than the other, lowest-energy conformer. The result implies that there are multiple pathways in the early stage of the folding process: one to the global minimum and the other to a different basin. Once such a structure is established, the second conformer is unlikely to overcome the barrier to produce the most stable structure due to a vastly different hydrogen bond network of the backbone. Our proposed method can characterize the lowest-energy conformer and kinetically trapped, high-energy conformers of complex biomolecules.
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Affiliation(s)
- Hiroki Otaki
- Center for Bioinformatics and Molecular Medicine, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo, Nagasaki, Nagasaki 852-8521, Japan
| | - Shun-Ichi Ishiuchi
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Masaaki Fujii
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Yuji Sugita
- Theoretical Molecular Science Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
- Computational Biophysics Research Team, RIKEN Center for Computational Science, 7-1-26 Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan
- Laboratory for Biomolecular Function Simulation, RIKEN Center for Biosystems Dynamics Research, 1-6-5 Minatojima-Minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan
| | - Kiyoshi Yagi
- Theoretical Molecular Science Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
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2
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Li H, Zhan GP, Wu CD. Confining Bimetal Sites in Porous Metal Silicate Materials for Aerobic Oxidation of Phenols under Mild Conditions. Inorg Chem 2023; 62:1226-1233. [PMID: 36622297 DOI: 10.1021/acs.inorgchem.2c03756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Inspired by the unique catalytic properties of enzymes, numerous biomimetic catalysts have been developed with the intention to realize activation of unreactive reactants under mild conditions; however, the requirement of harsh activation conditions heavily deters their practical applications. We report herein a porous metal silicate (PMS) material PMS-12 that consists of redox-active copper and vanadium metal sites, which exhibits similar catalytic behaviors of enzymes by synergistically activating different reactant molecules and generating local redox potential to facilitate electron and charge transfer, demonstrating the highest catalytic efficiency for aerobic oxidation of phenols to produce highly value-added benzoquinones under mild conditions. Therefore, this work paves a practically applicable strategy for developing high-performance heterogeneous catalysts, which could activate unreactive reactant molecules to produce highly value-added chemicals under mild conditions.
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Affiliation(s)
- Hang Li
- State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University, Hangzhou310027, P. R. China
| | - Guo-Peng Zhan
- State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University, Hangzhou310027, P. R. China
| | - Chuan-De Wu
- State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University, Hangzhou310027, P. R. China
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3
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Li YK, Müller F, Schöllkopf W, Asmis KR, Sauer J. Gas-Phase Mechanism of O .- /Ni 2+ -Mediated Methane Conversion to Formaldehyde. Angew Chem Int Ed Engl 2022; 61:e202202297. [PMID: 35460320 PMCID: PMC9400983 DOI: 10.1002/anie.202202297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Indexed: 01/05/2023]
Abstract
The gas-phase reaction of NiAl2 O4 + with CH4 is studied by mass spectrometry in combination with vibrational action spectroscopy and density functional theory (DFT). Two product ions, NiAl2 O4 H+ and NiAl2 O3 H2 + , are identified in the mass spectra. The DFT calculations predict that the global minimum-energy isomer of NiAl2 O4 + contains Ni in the +II oxidation state and features a terminal Al-O.- oxygen radical site. They show that methane can react along two competing pathways leading to formation of either a methyl radical (CH3 ⋅) or formaldehyde (CH2 O). Both reactions are initiated by hydrogen atom transfer from methane to the terminal O.- site, followed by either CH3 ⋅ loss or CH3 ⋅ migration to an O2- site next to the Ni2+ center. The CH3 ⋅ attaches as CH3 + to O2- and its unpaired electron is transferred to the Ni-center reducing it to Ni+ . The proposed mechanism is experimentally confirmed by vibrational spectroscopy of the reactant and two different product ions.
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Affiliation(s)
- Ya-Ke Li
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.,Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany.,Present address: Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Fabian Müller
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.,Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany.,Institut für Chemie, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099, Berlin, Germany
| | - Wieland Schöllkopf
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany
| | - Knut R Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany
| | - Joachim Sauer
- Institut für Chemie, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099, Berlin, Germany
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4
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Li Y, Müller F, Schöllkopf W, Asmis KR, Sauer J. Gas‐Phase Mechanism of O
.−
/Ni
2+
‐Mediated Methane Conversion to Formaldehyde. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ya‐Ke Li
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie Universität Leipzig Linnéstr. 2 04103 Leipzig Germany
- Fritz-Haber-Institut der Max-Planck-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
- Present address: Green Catalysis Center and College of Chemistry Zhengzhou University Zhengzhou 450001 China
| | - Fabian Müller
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie Universität Leipzig Linnéstr. 2 04103 Leipzig Germany
- Fritz-Haber-Institut der Max-Planck-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
- Institut für Chemie Humboldt-Universität zu Berlin Unter den Linden 6 10099 Berlin Germany
| | - Wieland Schöllkopf
- Fritz-Haber-Institut der Max-Planck-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
| | - Knut R. Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie Universität Leipzig Linnéstr. 2 04103 Leipzig Germany
| | - Joachim Sauer
- Institut für Chemie Humboldt-Universität zu Berlin Unter den Linden 6 10099 Berlin Germany
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5
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Li YK, Babin MC, Debnath S, Iwasa T, Kumar S, Taketsugu T, Asmis KR, Lyalin A, Neumark DM. Structural Characterization of Nickel-Doped Aluminum Oxide Cations by Cryogenic Ion Trap Vibrational Spectroscopy. J Phys Chem A 2021; 125:9527-9535. [PMID: 34693712 DOI: 10.1021/acs.jpca.1c07156] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Isolated nickel-doped aluminum oxide cations (NiOm)(Al2O3)n(AlO)+ with m = 1-2 and n = 1-3 are investigated by infrared photodissociation (IRPD) spectroscopy in combination with density functional theory and the single-component artificial force-induced reaction method. IRPD spectra of the corresponding He-tagged cations are reported in the 400-1200 cm-1 spectral range and assigned based on a comparison to calculated harmonic IR spectra of low-energy isomers. Simulated spectra of the lowest energy structures generally match the experimental spectra, but multiple isomers may contribute to the spectra of the m = 2 series. The identified structures of the oxides (m = 1) correspond to inserting a Ni-O moiety into an Al-O bond of the corresponding (Al2O3)1-3(AlO)+ cluster, yielding either a doubly or triply coordinated Ni2+ center. The m = 2 clusters prefer similar structures in which the additional O atom either is incorporated into a peroxide unit, leaving the oxidation state of the Ni2+ atom unchanged, or forms a biradical comprising a terminal oxygen radical anion Al-O•- and a Ni3+ species. These clusters represent model systems for under-coordinated Ni sites in alumina-supported Ni catalysts and should prove helpful in disentangling the mechanism of selective oxidative dehydrogenation of alkanes by Ni-doped catalysts.
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Affiliation(s)
- Ya-Ke Li
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstrasse 2, 04103 Leipzig, Germany.,Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Mark C Babin
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Sreekanta Debnath
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstrasse 2, 04103 Leipzig, Germany.,Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Takeshi Iwasa
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Sonu Kumar
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo 001-0021, Japan
| | - Tetsuya Taketsugu
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan.,Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo 001-0021, Japan
| | - Knut R Asmis
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstrasse 2, 04103 Leipzig, Germany
| | - Andrey Lyalin
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo 001-0021, Japan.,Center for Green Research on Energy and Environmental Materials, National Institute for Material Science (NIMS), Tsukuba 305-0044, Japan
| | - Daniel M Neumark
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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6
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New insights into colloidal GO, Cr(VI) and Fe(II) interaction by a combined batch, spectroscopic and DFT calculation investigation. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116365] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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7
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Braunstein P, Danopoulos AA. Transition Metal Chain Complexes Supported by Soft Donor Assembling Ligands. Chem Rev 2021; 121:7346-7397. [PMID: 34080835 DOI: 10.1021/acs.chemrev.0c01197] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The chemistry of discrete molecular chains constituted by metals in low oxidation states, displaying metal-metal proximity and stabilized by suitable metal-bridging, assembling ligands comprising at least one soft donor atom is comprehensively reviewed; complexes with a single (hard or soft) bridging atom (e.g., μ-halide, μ-sulfide, or μ-PR2 etc.) as well as "closed" metal arrays (that fall in the realm of cluster chemistry) are excluded. The focus is on transition metal-based systems, with few excursions to cases combining transition and post-transition elements. Most relevant supporting ligands have neutral C, P, O, or S donor (mainly, N-heterocyclic carbene, phosphine, ether, thioether) or anionic donor (mainly phenyl, ylide, silyl, phosphide, thiolate) groups. A supporting-ligand-based classification of the metal chains is introduced, using as the classifying parameter the number of "bites" (i.e., ligand bridges) subtending each intermetallic separation. The ligands are further grouped according to the number of donor atoms interacting with the metal chain (called denticity in the following) and the column of the Periodic Table to which the set of donor atoms belongs (in ascending order). A complementary metal-based compilation of the complexes discussed is also provided in a concise tabular form.
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Affiliation(s)
- Pierre Braunstein
- CNRS, Chimie UMR 7177, Laboratoire de Chimie de Coordination, Université de Strasbourg, 4 rue Blaise Pascal, 67081 Strasbourg Cedex, France
| | - Andreas A Danopoulos
- Inorganic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
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8
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Ard SG, Viggiano AA, Shuman NS. Old School Techniques with Modern Capabilities: Kinetics Determination of Dynamical Information Such as Barriers, Multiple Entrance Channel Complexes, Product States, Spin Crossings, and Size Effects in Metallic Ion–Molecule Reactions. J Phys Chem A 2021; 125:3503-3527. [DOI: 10.1021/acs.jpca.0c11395] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Shaun G. Ard
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
| | - Albert A. Viggiano
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
| | - Nicholas S. Shuman
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
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9
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Sweeny BC, McDonald DC, Shuman NS, Viggiano AA, Troe J, Ard SG. Gas-Phase Anionic Metal Clusters are Model Systems for Surface Oxidation: Kinetics of the Reactions of Mn- with O 2 (M = V, Cr, Co, Ni; n = 1-15). J Phys Chem A 2021; 125:2069-2076. [PMID: 33683120 DOI: 10.1021/acs.jpca.0c10103] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The reactions of anionic metal clusters Mn- with O2 (M = V (n = 1-15), Cr (n = 1-15), Co (n = 1-12), and Ni (n = 1-14)) are investigated from 300 to 600 K using a selected-ion flow tube. All rate constants show a positive temperature dependence, well described by an Arrhenius equation. Rate constants exceed (or are extrapolated to exceed at higher temperatures) the Langevin-Gioumousis-Stevenson capture rate constant. Application of a capture model accounting for the finite size of the clusters reproduces the size-dependent trends in reactivity. The assumption that reactivity is further controlled by an energetic barrier early in the reaction coordinate is consistent with the experimental observations. An observed correlation of the derived barrier heights on the electron binding energy of Mn- suggests the barrier may be formed at an avoided crossing between electronic states correlating to Mn- + O2 and Mn + O2- reactants, analogous to that previously proposed for Aln- + O2 systems. The mechanism is analogous to that for reactions of O2 with neutral metal surfaces, indicating that gas-phase reactions of anionic metal clusters can be an appropriate model systems for surface oxidation.
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Affiliation(s)
- Brendan C Sweeny
- Institute for Scientific Research, Boston College, Boston, Massachusetts 02467, United States
| | - David C McDonald
- NRC postdoc at Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
| | - Nicholas S Shuman
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
| | - Albert A Viggiano
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
| | - Juergen Troe
- Max-Planck-Institut für Biophysikalische Chemie, Am Fassberg 11, D-37077 Göttingen, Germany
| | - Shaun G Ard
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117, United States
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10
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Sampathkumar S, Paranthaman S. Neutral noble-metal-free VCoO 2 and CrCoO 2 cluster catalysts for CO oxidation by O 2. NEW J CHEM 2021. [DOI: 10.1039/d0nj05199c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Neutral noble-metal-free metal oxide cluster catalysts (VCoO2 and CrCoO2) were developed for multiple CO oxidation reactions by O2.
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Affiliation(s)
- Suresh Sampathkumar
- Department of Physics and International Research Centre
- Kalasalingam Academy of Research and Education (Deemed to be University)
- Krishnankoil 626 126
- India
| | - Selvarengan Paranthaman
- Department of Physics and International Research Centre
- Kalasalingam Academy of Research and Education (Deemed to be University)
- Krishnankoil 626 126
- India
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11
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Sweeny BC, McDonald DC, Poutsma JL, Poutsma JC, Shuman NS, Ard SG, Viggiano AA. Catalytic Oxidation of CO by N2O Enabled by Al2O2/3+: Temperature Dependent Kinetics and Statistical Modeling. J Phys Chem A 2020; 124:1705-1711. [DOI: 10.1021/acs.jpca.9b10732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Brendan C. Sweeny
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117, United States
| | - David C. McDonald
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117, United States
| | - Jennifer L. Poutsma
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, Virginia 23529, United States
| | - John C. Poutsma
- Department of Chemistry and Biochemistry, The College of William and Mary, Williamsburg, Virginia 23185, United States
| | - Nicholas S. Shuman
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117, United States
| | - Shaun G. Ard
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117, United States
| | - Albert A. Viggiano
- Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117, United States
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12
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Boron nitride B11N12M+ (M = B, Al, Ga, and In) nanocages as a catalyst for CO oxidation by N2O: A density functional study. COMPUT THEOR CHEM 2020. [DOI: 10.1016/j.comptc.2019.112660] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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13
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Li Y, Debnath S, Schlangen M, Schöllkopf W, Asmis KR, Schwarz H. Direct Identification of Acetaldehyde Formation and Characterization of the Active Site in the [VPO
4
]
.+
/C
2
H
4
Couple by Gas‐Phase Vibrational Spectroscopy. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ya‐Ke Li
- Wilhelm-Ostwald Institut für Physikalische und Theoretische ChemieUniversität Leipzig Linnéstr. 2 04103 Leipzig Germany
- Fritz-Haber-Institut der Max-Plank-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
| | - Sreekanta Debnath
- Wilhelm-Ostwald Institut für Physikalische und Theoretische ChemieUniversität Leipzig Linnéstr. 2 04103 Leipzig Germany
- Fritz-Haber-Institut der Max-Plank-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
| | - Maria Schlangen
- Institut für ChemieTechnische Universität Berlin Straße des 17. Juni 135 10623 Berlin Germany
| | - Wieland Schöllkopf
- Fritz-Haber-Institut der Max-Plank-Gesellschaft Faradayweg 4–6 14195 Berlin Germany
| | - Knut R. Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische ChemieUniversität Leipzig Linnéstr. 2 04103 Leipzig Germany
| | - Helmut Schwarz
- Institut für ChemieTechnische Universität Berlin Straße des 17. Juni 135 10623 Berlin Germany
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14
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Li YK, Debnath S, Schlangen M, Schöllkopf W, Asmis KR, Schwarz H. Direct Identification of Acetaldehyde Formation and Characterization of the Active Site in the [VPO 4 ] .+ /C 2 H 4 Couple by Gas-Phase Vibrational Spectroscopy. Angew Chem Int Ed Engl 2019; 58:18868-18872. [PMID: 31637840 PMCID: PMC6973009 DOI: 10.1002/anie.201911040] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/15/2019] [Indexed: 01/17/2023]
Abstract
The gas‐phase reaction of the heteronuclear oxide cluster [VPO4].+ with C2H4 is studied under multiple collision conditions at 150 K using cryogenic ion‐trap vibrational spectroscopy combined with electronic structure calculations. The exclusive formation of acetaldehyde is directly identified spectroscopically and discussed in the context of the underlying reaction mechanism. In line with computational predictions it is the terminal P=O and not the V=O unit that provides the oxygen atom in the barrier‐free thermal C2H4→CH3CHO conversion. Interestingly, in the course of the reaction, the emerging CH3CHO product undergoes a rather complex intramolecular migration, coordinating eventually to the vanadium center prior to its liberation. Moreover, the spectroscopic structural characterization of neutral C2H4O deserves special mentioning as in most, if not all, ion/molecule reactions, the neutral product is usually only indirectly identified.
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Affiliation(s)
- Ya-Ke Li
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.,Fritz-Haber-Institut der Max-Plank-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany
| | - Sreekanta Debnath
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.,Fritz-Haber-Institut der Max-Plank-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany
| | - Maria Schlangen
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 135, 10623, Berlin, Germany
| | - Wieland Schöllkopf
- Fritz-Haber-Institut der Max-Plank-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany
| | - Knut R Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany
| | - Helmut Schwarz
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 135, 10623, Berlin, Germany
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15
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Li XN, Wang LN, Mou LH, He SG. Catalytic CO Oxidation by Gas-Phase Metal Oxide Clusters. J Phys Chem A 2019; 123:9257-9267. [DOI: 10.1021/acs.jpca.9b05185] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Xiao-Na Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
| | - Li-Na Wang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
| | - Li-Hui Mou
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Center of Excellence in Molecular Sciences, Beijing 100190, China
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16
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Sun X, Zhou S, Yue L, Guo C, Schlangen M, Schwarz H. Über die besondere Rolle des Stickstoffliganden in den durch [NbN] +
katalysierten Redoxreaktionen von N 2
O/CO in der Gasphase. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xiaoyan Sun
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Shaodong Zhou
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou P. R. China
| | - Lei Yue
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Cheng Guo
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Maria Schlangen
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Helmut Schwarz
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
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17
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Sun X, Zhou S, Yue L, Guo C, Schlangen M, Schwarz H. On the Remarkable Role of the Nitrogen Ligand in the Gas-Phase Redox Reaction of the N2
O/CO Couple Catalyzed by [NbN]+. Angew Chem Int Ed Engl 2019; 58:3635-3639. [DOI: 10.1002/anie.201814460] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Xiaoyan Sun
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Shaodong Zhou
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
- Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou P. R. China
| | - Lei Yue
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Cheng Guo
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Maria Schlangen
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
| | - Helmut Schwarz
- Institut für Chemie; Technische Universität Berlin; Straße des 17. Juni 135 10623 Berlin Germany
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18
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Schwarz H, Asmis KR. Identification of Active Sites and Structural Characterization of Reactive Ionic Intermediates by Cryogenic Ion Trap Vibrational Spectroscopy. Chemistry 2019; 25:2112-2126. [PMID: 30623993 DOI: 10.1002/chem.201805836] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/07/2019] [Indexed: 01/02/2023]
Abstract
Cryogenic ion trap vibrational spectroscopy paired with quantum chemistry currently represents the most generally applicable approach for the structural investigation of gaseous cluster ions that are not amenable to direct absorption spectroscopy. Here, we give an overview of the most popular variants of infrared action spectroscopy and describe the advantages of using cryogenic ion traps in combination with messenger tagging and vibrational predissociation spectroscopy. We then highlight a few recent studies that apply this technique to identify highly reactive ionic intermediates and to characterize their reactive sites. We conclude by commenting on future challenges and potential developments in the field.
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Affiliation(s)
- Helmut Schwarz
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 135, 10623, Berlin, Germany
| | - Knut R Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany
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19
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Uhl F, Marx D. Helium Tagging of Protonated Methane in Messenger Spectroscopy: Does It Interfere with the Fluxionality of CH5
+
? Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Felix Uhl
- Lehrstuhl für Theoretische Chemie; Ruhr-Universität Bochum; 44780 Bochum Germany
| | - Dominik Marx
- Lehrstuhl für Theoretische Chemie; Ruhr-Universität Bochum; 44780 Bochum Germany
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20
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Uhl F, Marx D. Helium Tagging of Protonated Methane in Messenger Spectroscopy: Does It Interfere with the Fluxionality of CH5
+
? Angew Chem Int Ed Engl 2018; 57:14792-14795. [DOI: 10.1002/anie.201808531] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Indexed: 01/18/2023]
Affiliation(s)
- Felix Uhl
- Lehrstuhl für Theoretische Chemie; Ruhr-Universität Bochum; 44780 Bochum Germany
| | - Dominik Marx
- Lehrstuhl für Theoretische Chemie; Ruhr-Universität Bochum; 44780 Bochum Germany
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21
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Sweeny BC, Ard SG, Shuman NS, Viggiano AA. The Role of Non‐Reactive Binding Sites in the AlVO
4
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+CO/AlVO
3
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+N
2
O Catalytic Cycle. Chemphyschem 2018; 19:2835-2838. [DOI: 10.1002/cphc.201800714] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Brendan C. Sweeny
- National Academy of Sciences Washington DC 20001
- Air Force Research Laboratory, Space Vehicles Directorate Kirtland Air Force Base New Mexico 87117
| | - Shaun G. Ard
- Institute for Scientific Research Boston College Boston MA 02467
- Air Force Research Laboratory, Space Vehicles Directorate Kirtland Air Force Base New Mexico 87117
| | - Nicholas S. Shuman
- Air Force Research Laboratory, Space Vehicles Directorate Kirtland Air Force Base New Mexico 87117
| | - Albert A. Viggiano
- Air Force Research Laboratory, Space Vehicles Directorate Kirtland Air Force Base New Mexico 87117
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