1
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Van Dorn L, Sanov A. A density-matrix adaptation of the Hückel method to weak covalent networks. Phys Chem Chem Phys 2024; 26:5879-5894. [PMID: 38314532 DOI: 10.1039/d3cp05697j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
The coupled-monomers model is built as an adaptation of the Hückel MO theory based on a self-consistent density-matrix formalism. The distinguishing feature of the model is its reliance on variable bond and Coulomb integrals that depend on the elements of the density matrix: the bond orders and partial charges, respectively. Here the model is used to describe electron reactivity in weak covalent networks Xn±, where X is a closed-shell monomer. Viewing the electron as the simplest chemical reagent, the model provides insight into charge sharing and localisation in chains of such identical monomers. Data-driven modelling improves the results by training the model to experimental or ab initio data. Among key outcomes is the prediction that the charge in Xn± clusters tends to localise on a few (2-3) monomers. This is confirmed by the properties of several known cluster families, including Hen+, Arn+, (glyoxal)n-, and (biacetyl)n-. Since this prediction is obtained in a purely coherent covalent regime without any thermal excitation, it implies that charge localisation does not require non-covalent perturbations (such as solvation), decoherence, or free-energy effects. Instead, charge localisation is an intrinsic feature of weak covalent networks arising from their geometry relaxation and is ultimately attributed to the correlation between covalent bond orders and equilibrium bond integrals.
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Affiliation(s)
- Laura Van Dorn
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, USA.
| | - Andrei Sanov
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, USA.
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2
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The Effects of Ce and W Promoters on the Performance of Alumina-Supported Nickel Catalysts in CO2 Methanation Reaction. Catalysts 2021. [DOI: 10.3390/catal12010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The influence of Ce and W promoters on the performance of alumina-supported nickel catalysts in the CO2 methanation reaction was investigated. The catalysts were obtained by the co-impregnation method. Nitrogen low-temperature adsorption, temperature-programmed reduction, hydrogen desorption, transmission electron microscopy, X-ray diffraction, and photoelectron spectroscopy studies were used for catalyst characterization. An introduction of Ce and W promoters (1–5 wt %) led to the decrease in mean Ni crystallite size. Gradual increase in the active surface area was observed only for Ce-promoted catalysts. The increase in CO2 conversion in methanation reaction at low-reaction temperatures carried out over Ce-promoted catalysts was attributed to the increase in the active surface area and changes in the redox properties. The introduction of small amounts of tungsten led to an increase in the activity of catalysts, although a decrease in the active surface area was observed. Quasi in situ XPS studies revealed changes in the oxidation state of tungsten under CO2 methanation reaction conditions, indicating the participation of redox promoter changes in the course of surface reactions, leading to an improvement in the activity of the catalyst.
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3
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Yang Y, Li YK, Zhao YX, Wei GP, Ren Y, Asmis KR, He SG. Catalytic Co-Conversion of CH 4 and CO 2 Mediated by Rhodium-Titanium Oxide Anions RhTiO 2. Angew Chem Int Ed Engl 2021; 60:13788-13792. [PMID: 33890352 PMCID: PMC8251526 DOI: 10.1002/anie.202103808] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Indexed: 01/26/2023]
Abstract
Catalytic co‐conversion of methane with carbon dioxide to produce syngas (2 H2+2 CO) involves complicated elementary steps and almost all the elementary reactions are performed at the same high temperature conditions in practical thermocatalysis. Here, we demonstrate by mass spectrometric experiments that RhTiO2− promotes the co‐conversion of CH4 and CO2 to free 2 H2+CO and an adsorbed CO (COads) at room temperature; the only elementary step that requires the input of external energy is desorption of COads from the RhTiO2CO− to reform RhTiO2−. This study not only identifies a promising active species for dry (CO2) reforming of methane to syngas, but also emphasizes the importance of temperature control over elementary steps in practical catalysis, which may significantly alleviate the carbon deposition originating from the pyrolysis of methane.
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Affiliation(s)
- Yuan Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P.R. China
| | - 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
| | - Yan-Xia Zhao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P.R. China
| | - Gong-Ping Wei
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P.R. China
| | - Yi Ren
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P.R. China
| | - Knut R Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstrasse 2, 04103, Leipzig, Germany
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P.R. China
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4
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Yang Y, Li Y, Zhao Y, Wei G, Ren Y, Asmis KR, He S. Gemeinsame katalytische Umsetzung von CH
4
und CO
2
durch Rhodium‐Titanoxid‐Anionen RhTiO
2
−. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yuan Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100190 V.R. China
- University of Chinese Academy of Sciences Beijing 100049 V.R. China
- Beijing National Laboratory for Molecular Sciences and CASResearch/Education Centre of Excellence in Molecular Sciences Beijing 100190 V.R. China
| | - Ya‐Ke Li
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie Universität Leipzig Linnéstraße 2 04103 Leipzig Deutschland
- Fritz-Haber-Institut der Max-Planck-Gesellschaft Faradayweg 4–6 14195 Berlin Deutschland
| | - Yan‐Xia Zhao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100190 V.R. China
- Beijing National Laboratory for Molecular Sciences and CASResearch/Education Centre of Excellence in Molecular Sciences Beijing 100190 V.R. China
| | - Gong‐Ping Wei
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100190 V.R. China
- University of Chinese Academy of Sciences Beijing 100049 V.R. China
- Beijing National Laboratory for Molecular Sciences and CASResearch/Education Centre of Excellence in Molecular Sciences Beijing 100190 V.R. China
| | - Yi Ren
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100190 V.R. China
| | - Knut R. Asmis
- Wilhelm-Ostwald Institut für Physikalische und Theoretische Chemie Universität Leipzig Linnéstraße 2 04103 Leipzig Deutschland
| | - Sheng‐Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100190 V.R. China
- University of Chinese Academy of Sciences Beijing 100049 V.R. China
- Beijing National Laboratory for Molecular Sciences and CASResearch/Education Centre of Excellence in Molecular Sciences Beijing 100190 V.R. China
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5
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Affiliation(s)
- 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
| | - Gui-duo Jiang
- 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
| | - Zi-yu 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
| | - 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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6
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Zhou HY, Wang M, Ding YQ, Ma JB. Nb2BN2− cluster anions reduce four carbon dioxide molecules: reactivity enhancement by ligands. Dalton Trans 2020; 49:14081-14087. [DOI: 10.1039/d0dt02680h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The thermal gas-phase reactions of Nb2BN2− cluster anions with carbon dioxide have been explored by using the art of time-of-flight mass spectrometry and density functional theory calculations.
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Affiliation(s)
- Hai-Yan Zhou
- Key Laboratory of Cluster Science of Ministry of Education
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing
| | - Ming Wang
- Key Laboratory of Cluster Science of Ministry of Education
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing
| | - Yong-Qi Ding
- Key Laboratory of Cluster Science of Ministry of Education
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing
| | - Jia-Bi Ma
- Key Laboratory of Cluster Science of Ministry of Education
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing
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7
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Yang Y, Yang B, Zhao Y, Jiang L, Li Z, Ren Y, Xu H, Zheng W, He S. Direct Conversion of Methane with Carbon Dioxide Mediated by RhVO
3
−
Cluster Anions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911195] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yuan Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Bin Yang
- State Key Laboratory of Molecular Reaction DynamicsInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Yan‐Xia Zhao
- State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Li‐Xue Jiang
- State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Zi‐Yu Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Yi Ren
- State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Hong‐Guang Xu
- State Key Laboratory of Molecular Reaction DynamicsInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Wei‐Jun Zheng
- State Key Laboratory of Molecular Reaction DynamicsInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
| | - Sheng‐Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable SpeciesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences Beijing 100190 P. R. China
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8
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Yang Y, Yang B, Zhao YX, Jiang LX, Li ZY, Ren Y, Xu HG, Zheng WJ, He SG. Direct Conversion of Methane with Carbon Dioxide Mediated by RhVO 3 - Cluster Anions. Angew Chem Int Ed Engl 2019; 58:17287-17292. [PMID: 31553114 DOI: 10.1002/anie.201911195] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Indexed: 11/09/2022]
Abstract
Direct conversion of methane with carbon dioxide to value-added chemicals is attractive but extremely challenging because of the thermodynamic stability and kinetic inertness of both molecules. Herein, the first dinuclear cluster species, RhVO3 - , has been designed to mediate the co-conversion of CH4 and CO2 to oxygenated products, CH3 OH and CH2 O, in the temperature range of 393-600 K. The resulting cluster ions RhVO3 CO- after CH3 OH formation can further desorb the [CO] unit to regenerate the RhVO3 - cluster, leading to the successful establishment of a catalytic cycle for methanol production from CH4 and CO2 (CH4 +CO2 →CH3 OH+CO). The exceptional activity of Rh-V dinuclear oxide cluster (RhVO3 - ) identified herein provides a new mechanism for co-conversion of two very stable molecules CH4 and CO2 .
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Affiliation(s)
- Yuan Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Bin Yang
- State Key Laboratory of Molecular Reaction Dynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Yan-Xia Zhao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Li-Xue Jiang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Zi-Yu Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Yi Ren
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Hong-Guang Xu
- State Key Laboratory of Molecular Reaction Dynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Wei-Jun Zheng
- State Key Laboratory of Molecular Reaction Dynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,Beijing National Laboratory for Molecular Sciences and CAS Research/Education Centre of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
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9
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Chen Q, Zhao YX, Jiang LX, Chen JJ, He SG. Coupling of Methane and Carbon Dioxide Mediated by Diatomic Copper Boride Cations. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808780] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Qiang Chen
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences; CAS Research/Education Center of Excellence in Molecular Sciences; Beijing 100190 P. R. China
| | - Yan-Xia Zhao
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences; CAS Research/Education Center of Excellence in Molecular Sciences; Beijing 100190 P. R. China
| | - Li-Xue Jiang
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences; CAS Research/Education Center of Excellence in Molecular Sciences; Beijing 100190 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Jiao-Jiao Chen
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences; CAS Research/Education Center of Excellence in Molecular Sciences; Beijing 100190 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China
- Beijing National Laboratory for Molecular Sciences; CAS Research/Education Center of Excellence in Molecular Sciences; Beijing 100190 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
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10
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Chen Q, Zhao YX, Jiang LX, Chen JJ, He SG. Coupling of Methane and Carbon Dioxide Mediated by Diatomic Copper Boride Cations. Angew Chem Int Ed Engl 2018; 57:14134-14138. [PMID: 30203446 DOI: 10.1002/anie.201808780] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Indexed: 11/11/2022]
Abstract
The use of CH4 and CO2 to produce value-added chemicals via direct C-C coupling is a challenging chemistry problem because of the inertness of these two molecules. Herein, mass spectrometric experiments and high-level quantum-chemical calculations have identified the first diatomic species (CuB+ ) that can couple CH4 with CO2 under thermal collision conditions to produce ketene (H2 C=C=O), an important intermediate in synthetic chemistry. The order to feed the reactants (CH4 and CO2 ) is important and CH4 should be firstly fed to produce the C2 product. Molecular-level mechanisms including control of product selectivity have been revealed for coupling of CH4 with CO2 under mild conditions.
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Affiliation(s)
- Qiang Chen
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Yan-Xia Zhao
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center of Excellence in Molecular Sciences, Beijing, 100190, P. R. China
| | - Li-Xue Jiang
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center of Excellence in Molecular Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jiao-Jiao Chen
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center of Excellence in Molecular Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of, Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center of Excellence in Molecular Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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11
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Dodson LG, Thompson MC, Weber JM. Characterization of Intermediate Oxidation States in CO2Activation. Annu Rev Phys Chem 2018; 69:231-252. [DOI: 10.1146/annurev-physchem-050317-021122] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Leah G. Dodson
- JILA and NIST, University of Colorado, Boulder, Colorado 80309-0440, USA
| | - Michael C. Thompson
- JILA and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440, USA;,
| | - J. Mathias Weber
- JILA and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440, USA;,
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12
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Zhou S, Li J, Firouzbakht M, Schlangen M, Schwarz H. Sequential Gas-Phase Activation of Carbon Dioxide and Methane by [Re(CO) 2] +: The Sequence of Events Matters! J Am Chem Soc 2017; 139:6169-6176. [PMID: 28403605 DOI: 10.1021/jacs.7b01255] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The potential of carbonyl rhenium complexes in activating and coupling carbon dioxide and methane has been explored by using a combination of gas-phase experiments (FT-ICR mass spectrometry) and high-level quantum chemical calculations. While the complexes [Re(CO)x]+ (x = 0, 1, 3) are thermally unreactive toward CO2, [Re(CO)2]+ abstracts one oxygen atom from this substrate spontaneously at ambient conditions. Based on 13C and 18O labeling experiments, the newly generated CO ligand is preferentially eliminated, and two mechanistic scenarios are considered to account for this unexpected finding. The oxo complex [ORe(CO)2]+ reacts further with CH4 to produce the dihydridomethylene complex [ORe(CO)(CH2)(H)2]+. However, coupling of the CO and CH2 ligands to form CH2═C═O does not take place. Further, the complexes [Re(CO)x(CH2)]+ (x = 1, 2), generated in the thermal reaction of [Re(CO)x]+ (x = 1, 2) with CH4, are inert toward CO2. Mechanistic insight on the origin of this remarkable reactivity pattern has been derived from detailed quantum chemical calculations.
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Affiliation(s)
- Shaodong Zhou
- Institut für Chemie, Technische Universität Berlin , Straße des 17. Juni 135, 10623 Berlin, Germany
| | - Jilai Li
- Institut für Chemie, Technische Universität Berlin , Straße des 17. Juni 135, 10623 Berlin, Germany.,Institute of Theoretical Chemistry, Jilin University , Changchun 130023, People's Republic of China
| | - Marjan Firouzbakht
- 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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13
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Schwarz H. Metal-mediated activation of carbon dioxide in the gas phase: Mechanistic insight derived from a combined experimental/computational approach. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.03.009] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Ray M, Waller SE, Jarrold CC. Effect of Alkyl Group on MxOy(-) + ROH (M = Mo, W; R = Me, Et) Reaction Rates. J Phys Chem A 2016; 120:1508-19. [PMID: 26878402 DOI: 10.1021/acs.jpca.6b00102] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A systematic comparison of MxOy(-) + ROH (M = Mo vs W; R = Me vs Et) reaction rate coefficients and product distributions combined with results of calculations on weakly bound MxOy(-)·ROH complexes suggest that the overall reaction mechanism has three distinct steps, consistent with recently reported results on analogous MxOy(-) + H2O reactivity studies. MxOy(-) + ROH → MxOy+1(-) + RH oxidation reactions are observed for the least oxidized clusters, and MxOy(-) + ROH → MxOyROH(-) addition reactions are observed for clusters in intermediate oxidation states, as observed previously in MxOy(-) + H2O reactions. The first step is weakly bound complex formation, the rate of which is governed by the relative stability of the MxOy(-)·ROH charge-dipole complexes and the Lewis acid-base complexes. Calculations predict that MoxOy(-) clusters form more stable Lewis acid-base complexes than WxOy(-), and the stability of EtOH complexes is enhanced relative to MeOH. Consistent with this result, MoxOy(-) + ROH rate coefficients are higher than analogous WxOy(-) clusters. Rate coefficients range from 2.7 × 10(-13) cm(3) s(-1) for W3O8(-) + MeOH to 3.4 × 10(-11) cm(3) s(-1) for Mo2O4(-) + EtOH. Second, a covalently bound complex is formed, and anion photoelectron spectra of the several MxOyROH(-) addition products observed are consistent with hydroxyl-alkoxy structures that are formed readily from the Lewis acid-base complexes. Calculations indicate that addition products are trapped intermediates in the MxOy(-) + ROH → MxOy+1(-) + RH reaction, and the third step is rearrangement of the hydroxyl group to a metal hydride group to facilitate RH release. Trapped intermediates are more prevalent in MoxOy(-) reaction product distributions, indicating that the rate of this step is higher for WxOy+1RH(-) than for MoxOy+1RH(-). This result is consistent with previous computational studies on analogous MxOy(-) + H2O reactions predicting that barriers along the pathway in the rearrangement step are higher for MoxOy(-) reactions than for WxOy(-).
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Affiliation(s)
- Manisha Ray
- Department of Chemistry, Indiana University , 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Sarah E Waller
- Department of Chemistry, SUNY Stony Brook , Stony Brook, New York 11794-3400, United States
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University , 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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15
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Zhao YX, Liu QY, Zhang MQ, He SG. Reactions of metal cluster anions with inorganic and organic molecules in the gas phase. Dalton Trans 2016; 45:11471-95. [DOI: 10.1039/c6dt01246a] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Progress on the activation and transformation of important inorganic and organic molecules by negatively charged bare metal clusters as well as ligated systems with oxygen, carbon, and nitrogen, among others.
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Affiliation(s)
- Yan-Xia Zhao
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Qing-Yu Liu
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Mei-Qi Zhang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Sheng-Gui He
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
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16
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Knurr BJ, Weber JM. Structures of [CoO(CO2)n]- and [NiO(CO2)n]- clusters studied by infrared spectroscopy. J Phys Chem A 2015; 119:843-50. [PMID: 25590796 DOI: 10.1021/jp5108608] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We present infrared spectra of [CoO(CO2)n](-) and [NiO(CO2)n](-) clusters and interpret them in the framework of computational results employing density functional theory. We find that both [CoO(CO2)n](-) and [NiO(CO2)n](-) clusters are generally composed of the same core isomers. The dominant isomers consist of an η(2) CO2 ligand and a CO3 moiety that can be bound to the metal atom with monodentate (η(1)) or bidentate (η(2)) connectivity. Minor structural isomers observed are composed of a C2O4 moiety with a lone oxygen atom or a CO3 unit.
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Affiliation(s)
- Benjamin J Knurr
- JILA and Department of Chemistry and Biochemistry, University of Colorado , Boulder, Colorado 80309, United States
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17
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Weber JM. The interaction of negative charge with carbon dioxide – insight into solvation, speciation and reductive activation from cluster studies. INT REV PHYS CHEM 2014. [DOI: 10.1080/0144235x.2014.969554] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Felton JA, Ray M, Waller SE, Kafader JO, Jarrold CC. CexOy– (x = 2–3) + D2O Reactions: Stoichiometric Cluster Formation from Deuteroxide Decomposition and Anti-Arrhenius Behavior. J Phys Chem A 2014; 118:9960-9. [DOI: 10.1021/jp507900d] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jeremy A. Felton
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Manisha Ray
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Sarah E. Waller
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Jared O. Kafader
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
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19
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Waller SE, Jarrold CC. RH and H2 Production in Reactions between ROH and Small Molybdenum Oxide Cluster Anions. J Phys Chem A 2014; 118:8493-504. [DOI: 10.1021/jp502021k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sarah E. Waller
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Caroline C. Jarrold
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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20
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Waller SE, Mann JE, Jarrold CC. Asymmetric Partitioning of Metals among Cluster Anions and Cations Generated via Laser Ablation of Mixed Aluminum/Group 6 Transition Metal Targets. J Phys Chem A 2013; 117:1765-72. [DOI: 10.1021/jp3119692] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sarah E. Waller
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Jennifer E. Mann
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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21
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Li S, Zhai HJ, Wang LS, Dixon DA. Structural and Electronic Properties of Reduced Transition Metal Oxide Clusters, M4O10 and M4O10– (M = Cr, W), from Photoelectron Spectroscopy and Quantum Chemical Calculations. J Phys Chem A 2012; 116:5256-71. [DOI: 10.1021/jp303604k] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shenggang Li
- Chemistry Department, The University of Alabama, Shelby Hall, Box 870336, Tuscaloosa, Alabama 35487-0336, United
States
| | - Hua-Jin Zhai
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United
States
| | - Lai-Sheng Wang
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United
States
| | - David A. Dixon
- Chemistry Department, The University of Alabama, Shelby Hall, Box 870336, Tuscaloosa, Alabama 35487-0336, United
States
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22
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Zhuang J, Li ZH, Fan K, Zhou M. Matrix Isolation Spectroscopic and Theoretical Study of Carbon Dioxide Activation by Titanium Oxide Molecules. J Phys Chem A 2012; 116:3388-95. [DOI: 10.1021/jp301025n] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jia Zhuang
- Department of Chemistry, Shanghai
Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Zhen Hua Li
- Department of Chemistry, Shanghai
Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Kangnian Fan
- Department of Chemistry, Shanghai
Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Mingfei Zhou
- Department of Chemistry, Shanghai
Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
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23
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24
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Zhou M, Zhou Z, Zhuang J, Li ZH, Fan K, Zhao Y, Zheng X. Carbon Dioxide Coordination and Activation by Niobium Oxide Molecules. J Phys Chem A 2011; 115:14361-9. [DOI: 10.1021/jp208291g] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mingfei Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Zijian Zhou
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, China
| | - Jia Zhuang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Zhen Hua Li
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Kangnian Fan
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai 200433, China
| | - Yanying Zhao
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, China
| | - Xuming Zheng
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, China
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25
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Rothgeb DW, Mann JE, Waller SE, Jarrold CC. Structures of trimetallic molybdenum and tungsten suboxide cluster anions. J Chem Phys 2011; 135:104312. [DOI: 10.1063/1.3635408] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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26
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Kwon HJ, Kim HW, Rhee YM. On the Mechanism of Irreversible Carbon Dioxide Binding with a Frustrated Lewis Pair: Solvent‐Assisted Frustration and Transition‐State Entropic Encouragement. Chemistry 2011; 17:6501-7. [DOI: 10.1002/chem.201003483] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Indexed: 11/07/2022]
Affiliation(s)
- Hee Jae Kwon
- Institute of Theoretical and Computational Chemistry, Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 790‐784 (Korea), Fax: (+82) 54‐279‐3399
| | - Hyun Woo Kim
- Institute of Theoretical and Computational Chemistry, Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 790‐784 (Korea), Fax: (+82) 54‐279‐3399
| | - Young Min Rhee
- Institute of Theoretical and Computational Chemistry, Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 790‐784 (Korea), Fax: (+82) 54‐279‐3399
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