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Nicholas KM, Lander C, Shao Y. Computational Evaluation of Potential Molecular Catalysts for Nitrous Oxide Decomposition. Inorg Chem 2022; 61:14591-14605. [PMID: 36067530 DOI: 10.1021/acs.inorgchem.2c01598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nitrous oxide (N2O) is a potent greenhouse gas (GHG) with limited use as a mild anesthetic and underdeveloped reactivity. Nitrous oxide splitting (decomposition) is critical to its mitigation as a GHG. Although heterogeneous catalysts for N2O decomposition have been developed, highly efficient, long-lived solid catalysts are still needed, and the details of the catalytic pathways are not well understood. Reported herein is a computational evaluation of three potential molecular (homogeneous) catalysts for N2O splitting, which could aid in the development of more active and robust catalysts and provide deeper mechanistic insights: one Cu(I)-based, [(CF3O)4Al]Cu (A-1), and two Ru(III)-based, Cl(POR)Ru (B-1) and (NTA)Ru (C-1) (POR = porphyrin, NTA = nitrilotriacetate). The structures and energetic viability of potential intermediates and key transition states are evaluated according to a two-stage reaction pathway: (A) deoxygenation (DO), during which a metal-N2O complex undergoes N-O bond cleavage to produce N2 and a metal-oxo species and (B) (di)oxygen evolution (OER), in which the metal-oxo species dimerizes to a dimetal-peroxo complex, followed by conversion to a metal-dioxygen species from which dioxygen dissociates. For the (F-L)Cu(I) activator (A-1), deoxygenation of N2O is facilitated by an O-bound (F-L)Cu-O-N2 or better by a bimetallic N,O-bonded, (F-L)Cu-NNO-Cu(F-L) complex; the resulting copper-oxyl (F-L)Cu-O is converted exergonically to (F-L)Cu-(η2,η2-O2)-Cu(F-L), which leads to dioxygen species (F-L)Cu(η2-O2), that favorably dissociates O2. Key features of the DO/OER process for (POR)ClRu (B-1) include endergonic N2O coordination, facile N2 evolution from LR'u-N2O-RuL to Cl(POR)RuO, moderate barrier coupling of Cl(POR)RuO to peroxo Cl(POR)Ru(O2)Ru(POR)Cl, and eventual O2 dissociation from Cl(POR)Ru(η1-O2), which is nearly thermoneutral. N2O decomposition promoted by (NTA)Ru(III) (C-1) can proceed with exergonic N2O coordination, facile N2 dissociation from (NTA)Ru-ON2 or (NTA)Ru-N2O-Ru(NTA) to form (NTA)Ru-O; dimerization of the (NTA)Ru-oxo species is facile to produce (NTA)Ru-O-O-Ru(NTA), and subsequent OE from the peroxo species is moderately endergonic. Considering the overall energetics, (F-L)Cu and Cl(POR)Ru derivatives are deemed the best candidates for promoting facile N2O decomposition.
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Affiliation(s)
- Kenneth M Nicholas
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Chance Lander
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Yihan Shao
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma 73019, United States
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Demissie EG, Lam WK, Thompson H, Tang WK, Siu CK. Decomposition of nitrous oxide in hydrated cobalt(I) clusters: a theoretical insight into the mechanistic roles of ligand-binding modes. Phys Chem Chem Phys 2021; 23:16816-16826. [PMID: 34323905 DOI: 10.1039/d1cp01820e] [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
Hydrated cobalt(i) cluster ions, [Co(H2O)n]+, can decompose the inert nitrous oxide molecule, N2O. Density functional theory suggests that N2O can anchor to Co+ of [Co(N2O)(H2O)n]+ through either O end-on (η1-OL) or N end-on (η1-NL) coordinate mode. The latter is thermodynamically more favorable resulting from a subtle π backdonation from Co+ to N2O. N2O decomposition involves two major processes: (1) redox reaction and (2) N-O bond dissociation. The initial activation of N2O through an electron transfer from Co+ to N2O yields anionic N2O-, which binds to the metal center of [Co2+(N2O-)(H2O)n] also through either O end-on (η1-O) or N end-on (η1-N) mode and is stabilized by water molecules through hydrogen bonding. From η1-O, subsequent N-O bond dissociation to liberate N2, producing [CoO(H2O)n]+, is straightforward via a mechanism that is commonplace for typical metal-catalyzed N2O decompositions. Unexpectedly, the N-O bond dissociation directly from η1-N is also possible and eliminates both N2 and OH, explaining the formation of [CoOH(H2O)n]+ as observed in a previous experimental study. Interestingly, formation of [CoO(H2O)n]+ is kinetically controlled by the initial redox process between Co+ and the O-bound N2O, the activation barriers of which in large water clusters (n ≥ 14) are higher than that of the unexpected N-O bond dissociation from the N-bound structure forming [CoOH(H2O)n]+. This theoretical discovery implies that in the present of water molecules, the metal-catalyzed N2O decomposition starting from an O-bound metal complex is not mandatory.
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Affiliation(s)
- Ephrem G Demissie
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Hong Kong SAR, P. R. China.
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Aguirre Quintana LM, Yang Y, Ramanathan A, Jiang N, Bacsa J, Maron L, La Pierre HS. Chalcogen-atom abstraction reactions of a Di-iron imidophosphorane complex. Chem Commun (Camb) 2021; 57:6664-6667. [PMID: 34128515 DOI: 10.1039/d1cc02195h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Reaction of the complexes [Fe2(μ2-NP(pip)3)2(NP(pip)3)2] (1-Fe) and [Co2(μ2-NP(pip)3)2(NP(pip)3)2] (1-Co), where [NP(pip)3]1- is tris(piperidinyl)imidophosphorane, with nitrous oxide, S8, or Se0 results in divergent reactivity. With nitrous oxide, 1-Fe forms [Fe2(μ2-O)(μ2-NP(pip)3)2(NP(pip)3)2] (2-Fe), with a very short Fe3+-Fe3+ distance. Reactions of 1-Fe with S8 or Se0 result in the bridging, side-on coordination (μ-κ1:κ1-E22-) of the heavy chalcogens in complexes [Fe2(μ-κ1:κ1-E2)(μ2-NP(pip)3)2(NP(pip)3)2] (E = S, 3-Fe, or Se, 4-Fe). In all cases, the complex 1-Co is inert.
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Affiliation(s)
- Luis M Aguirre Quintana
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA.
| | - Yan Yang
- Laboratorie de Physique et Chimie des Nano-objects, Institute National Des Sciences Appliquees, Toulouse 31077, Cedex 4, France
| | - Arun Ramanathan
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA.
| | - Ningxin Jiang
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA.
| | - John Bacsa
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA.
| | - Laurent Maron
- Laboratorie de Physique et Chimie des Nano-objects, Institute National Des Sciences Appliquees, Toulouse 31077, Cedex 4, France
| | - Henry S La Pierre
- Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA. and Nuclear and Radiological Engineering Program, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA
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Puerta Lombardi BM, Gendy C, Gelfand BS, Bernard GM, Wasylishen RE, Tuononen HM, Roesler R. Side‐on Coordination in Isostructural Nitrous Oxide and Carbon Dioxide Complexes of Nickel. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Chris Gendy
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
- Department of Chemistry, Nanoscience Centre University of Jyväskylä, P.O. Box 35 FI-40014 Jyväskylä Finland
| | - Benjamin S. Gelfand
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
| | - Guy M. Bernard
- Gunning-Lemieux Chemistry Centre University of Alberta 11227 Saskatchewan Drive NW Edmonton AB T6G 2G2 Canada
| | - Roderick E. Wasylishen
- Gunning-Lemieux Chemistry Centre University of Alberta 11227 Saskatchewan Drive NW Edmonton AB T6G 2G2 Canada
| | - Heikki M. Tuononen
- Department of Chemistry, Nanoscience Centre University of Jyväskylä, P.O. Box 35 FI-40014 Jyväskylä Finland
| | - Roland Roesler
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
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Puerta Lombardi BM, Gendy C, Gelfand BS, Bernard GM, Wasylishen RE, Tuononen HM, Roesler R. Side-on Coordination in Isostructural Nitrous Oxide and Carbon Dioxide Complexes of Nickel. Angew Chem Int Ed Engl 2021; 60:7077-7081. [PMID: 33111387 PMCID: PMC8048599 DOI: 10.1002/anie.202011301] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/05/2020] [Indexed: 11/09/2022]
Abstract
A nickel complex incorporating an N2 O ligand with a rare η2 -N,N'-coordination mode was isolated and characterized by X-ray crystallography, as well as by IR and solid-state NMR spectroscopy augmented by 15 N-labeling experiments. The isoelectronic nickel CO2 complex reported for comparison features a very similar solid-state structure. Computational studies revealed that η2 -N2 O binds to nickel slightly stronger than η2 -CO2 in this case, and comparably to or slightly stronger than η2 -CO2 to transition metals in general. Comparable transition-state energies for the formation of isomeric η2 -N,N'- and η2 -N,O-complexes, and a negligible activation barrier for the decomposition of the latter likely account for the limited stability of the N2 O complex.
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Affiliation(s)
- Braulio M Puerta Lombardi
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
| | - Chris Gendy
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada.,Department of Chemistry, Nanoscience Centre, University of Jyväskylä, P.O. Box 35, FI-40014, Jyväskylä, Finland
| | - Benjamin S Gelfand
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
| | - Guy M Bernard
- Gunning-Lemieux Chemistry Centre, University of Alberta, 11227 Saskatchewan Drive NW, Edmonton, AB, T6G 2G2, Canada
| | - Roderick E Wasylishen
- Gunning-Lemieux Chemistry Centre, University of Alberta, 11227 Saskatchewan Drive NW, Edmonton, AB, T6G 2G2, Canada
| | - Heikki M Tuononen
- Department of Chemistry, Nanoscience Centre, University of Jyväskylä, P.O. Box 35, FI-40014, Jyväskylä, Finland
| | - Roland Roesler
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
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Fields K, Barngrover BM, Gary JB. Computational Investigation of the Preferred Binding Modes of N 2O in Group 8 Metal Complexes. Inorg Chem 2020; 59:18314-18318. [DOI: 10.1021/acs.inorgchem.0c02903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kylie Fields
- Department of Chemistry and Biochemistry, Stephen F. Austin State University, P.O. Box 13006 SFA Station, Nacogdoches, Texas 75962-3006, United States
| | - Brian M. Barngrover
- Department of Chemistry and Biochemistry, Stephen F. Austin State University, P.O. Box 13006 SFA Station, Nacogdoches, Texas 75962-3006, United States
| | - J. Brannon Gary
- Department of Chemistry and Biochemistry, Stephen F. Austin State University, P.O. Box 13006 SFA Station, Nacogdoches, Texas 75962-3006, United States
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Abo Dena AS, Abdel Gaber SA. In vitro drug interaction of levocetirizine and diclofenac: Theoretical and spectroscopic studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 181:239-248. [PMID: 28371723 DOI: 10.1016/j.saa.2017.03.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 03/14/2017] [Accepted: 03/17/2017] [Indexed: 06/07/2023]
Abstract
Levocetirizine dihydrochloride is known to interact with some anti-inflammatory drugs. We report here a comprehensive integrated theoretical and experimental study for the in vitro drug interaction between levocetirizine dihydrochloride (LEV) and diclofenac sodium (DIC). The interaction of the two drugs was confirmed by the molecular ion peak obtained from the mass spectrum of the product. Moreover, FTIR and 1HNMR spectra of the individual drugs and their interaction product were inspected to allocate the possible sites of interaction. In addition, quantum mechanical DFT calculations were performed to search for the interaction sites and to verify the types of interactions deduced from the spectroscopic studies such as charge-transfer and non-bonding π-π interactions. It was found that the studied drugs interact with each other in aqueous solution via four types of interactions, namely, ion-pair formation, three weak hydrogen bonds, non-bonding π-π interactions and charge-transfer from DIC to LEV.
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Affiliation(s)
- Ahmed S Abo Dena
- National Organization for Drug Control and Research (NODCAR), P.O. Box 29, Giza, Egypt; Faculty of Oral and Dental Medicine, Future University in Egypt (FUE), New Cairo, Egypt.
| | - Sara A Abdel Gaber
- Faculty of Pharmacy and Biotechnology, German University in Cairo (GUC), New Cairo, Egypt
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Sui H, Zhang F, Hou F, Zhao L, Guo W, Yao J. Theoretical Investigation of the Methanol Decomposition by Fe+)and Fe(C2H4)+: A π-Type Ligand Effect. J Phys Chem A 2015; 119:10204-11. [PMID: 26377371 DOI: 10.1021/acs.jpca.5b08575] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Density functional theory has been used to probe the mechanism of gas-phase methanol decomposition by bare Fe(+) and ligated Fe(C(2)H(4))(+) in both quartet and sextet states. For the Fe(+)/methanol system, Fe(+) could directly attach to the O and methyl-H atoms of methanol, respectively, forming two encounter isomers. The methanol reaction with Fe(+) prefers initial C-O bond activation to yield methyl with slight endothermicity, whereas CH(4) elimination is hindered by the strong endothermicity and high-energy barrier of hydroxyl-H shift. For the Fe(C(2)H(4))(+)/methanol system, the major product of H(2)O is formed through six elementary steps: encounter complexation, C-O bond activation, C-C coupling, β-H shift, hydride H shift, and nonreactive dissociation. Both ligand exchange and initial C-O bond activation mechanisms could account for ethylene elimination with the ion products Fe(CH(3)OH)(+) and (CH(3))Fe(OH)(+), respectively. With the assistance of a π-type C(2)H(4) ligand, the metal center in the Fe(C(2)H(4))(+)/CH(3)OH system avoids formation of unfavorable multi-σ-type bonding and thus greatly enhances the reactivity compared to that of bare Fe(+).
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Affiliation(s)
| | | | - Fei Hou
- Department of Pharmacy, Affiliated Hospital of Qingdao University , Qingdao, Shandong 266003, People's Republic of China
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Injan N, Sirijaraensre J, Limtrakul J. Decomposition of nitrous oxide on Fe-doped boron nitride nanotubes: the ligand effect. Phys Chem Chem Phys 2014; 16:23182-7. [DOI: 10.1039/c4cp02728k] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Ard SG, Melko JJ, Ushakov VG, Johnson R, Fournier JA, Shuman NS, Guo H, Troe J, Viggiano AA. Activation of Methane by FeO+: Determining Reaction Pathways through Temperature-Dependent Kinetics and Statistical Modeling. J Phys Chem A 2014; 118:2029-39. [DOI: 10.1021/jp5000705] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Shaun G. Ard
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117-5776, United States
| | - Joshua J. Melko
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117-5776, United States
| | - Vladimir G. Ushakov
- Institute
of Problems
of Chemical Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia
- Max-Planck-Institut für Biophysikalische Chemie, D-37077 Göttingen, Germany
| | - Ryan Johnson
- Department
of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Joseph A. Fournier
- Sterling Chemistry Laboratory, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Nicholas S. Shuman
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117-5776, United States
| | - Hua Guo
- Department
of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Jürgen Troe
- Max-Planck-Institut für Biophysikalische Chemie, D-37077 Göttingen, Germany
- Institut für
Physikalische Chemie, Universität Göttingen, Tammannstrasse 6, D-37077 Göttingen, Germany
| | - Albert A. Viggiano
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, New Mexico 87117-5776, United States
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Ard SG, Melko JJ, Fournier JA, Shuman NS, Viggiano AA. Reactions of Fe+ and FeO+ with C2H2, C2H4, and C2H6: Temperature-Dependent Kinetics. J Phys Chem A 2013; 117:10178-85. [DOI: 10.1021/jp405344w] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shaun G. Ard
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117-5776, United States
| | - Joshua J. Melko
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117-5776, United States
| | - Joseph A. Fournier
- Sterling Chemistry
Laboratory, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
| | - Nicholas S. Shuman
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117-5776, United States
| | - Albert A. Viggiano
- Air Force Research
Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, Albuquerque, New Mexico 87117-5776, United States
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12
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Shi NG, Zhang JH, Wang YC. On the gas-phase (n=1, 2) catalyzed reduction of N2O by H2: A density functional study. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.03.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Dunnington BD, Schmidt JR. Generalization of Natural Bond Orbital Analysis to Periodic Systems: Applications to Solids and Surfaces via Plane-Wave Density Functional Theory. J Chem Theory Comput 2012; 8:1902-11. [PMID: 26593824 DOI: 10.1021/ct300002t] [Citation(s) in RCA: 125] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Natural bond orbital (NBO) analysis is a powerful analysis technique capable of generating intuitive chemical representations of otherwise complex quantum mechanical electronic structure results, yielding a localized "Lewis-like" description of bonding and reactivity. We generalize this algorithm to periodic systems, thus expanding the scope of NBO analysis to bulk materials and/or periodic surface models. We employ a projection scheme to further expand the algorithm's applicability to ubiquitous plane-wave density functional theory (PW DFT) calculations. We also present a variety of example applications: examining bulk bonding and surface reconstruction and elucidating fundamental aspects of heterogeneous catalysis-all derived from rigorous underlying PW DFT calculations.
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Affiliation(s)
- Benjamin D Dunnington
- Department of Chemistry and Theoretical Chemistry Institute, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - J R Schmidt
- Department of Chemistry and Theoretical Chemistry Institute, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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Nian JY, Wang J, Wang YC. Theoretical views on the cycle reaction of N2O (1Σ+)+NH3 (1A1)+O2 catalyzed by Fe+ and utilizing the energy span model to study its kinetic information. COMPUT THEOR CHEM 2011. [DOI: 10.1016/j.comptc.2011.07.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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15
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Tolman WB. Binding and activation of N2O at transition-metal centers: recent mechanistic insights. Angew Chem Int Ed Engl 2010; 49:1018-24. [PMID: 20058284 DOI: 10.1002/anie.200905364] [Citation(s) in RCA: 179] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
No laughing matter, nitrous oxide's role in stratospheric ozone depletion and as a greenhouse gas has stimulated great interest in developing and understanding its decomposition, particularly through the use of transition-metal promoters. Recent advances in our understanding of the reaction pathways for N(2)O reduction by metal ions in the gas phase and in heterogeneous, homogeneous, and biological catalytic systems have provided provocative ideas about the structure and properties of metal N(2)O adducts and derived intermediates. These ideas are likely to inform efforts to design more effective catalysts for N(2)O remediation.
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Affiliation(s)
- William B Tolman
- Department of Chemistry, Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street SE, Minneapolis, MN 55410, USA.
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Roithová J, Schröder D. Selective activation of alkanes by gas-phase metal ions. Chem Rev 2010; 110:1170-211. [PMID: 20041696 DOI: 10.1021/cr900183p] [Citation(s) in RCA: 377] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jana Roithová
- Department of Organic Chemistry, Charles University in Prague, Faculty of Sciences, Hlavova 8, 12843 Prague 2, Czech Republic.
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Liu Z, Guo W, Zhao L, Shan H. Theoretical Investigation of the Oxidation of Propane by FeO+. J Phys Chem A 2010; 114:2701-9. [DOI: 10.1021/jp910774z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Zhaochun Liu
- College of Physics Science and Technology and State Key Laboratory for Heavy Oil Processing, China University of Petroleum, Dongying, Shandong 257061, PR China
| | - Wenyue Guo
- College of Physics Science and Technology and State Key Laboratory for Heavy Oil Processing, China University of Petroleum, Dongying, Shandong 257061, PR China
| | - Lianming Zhao
- College of Physics Science and Technology and State Key Laboratory for Heavy Oil Processing, China University of Petroleum, Dongying, Shandong 257061, PR China
| | - Honghong Shan
- College of Physics Science and Technology and State Key Laboratory for Heavy Oil Processing, China University of Petroleum, Dongying, Shandong 257061, PR China
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Tolman W. Mechanistische Einblicke in die Bindung und Aktivierung von N2O an Übergangsmetallzentren. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.200905364] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kim J, Kim TK, Ihee H. Theoretical Study on the Reaction of Ti+ with Acetone and the Role of Intersystem Crossing. J Phys Chem A 2009; 113:11382-9. [DOI: 10.1021/jp905158j] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Joonghan Kim
- Center for Time-Resolved Diffraction, Department of Chemistry, Graduate School of Nanoscience & Technology (WCU), KAIST, Daejeon, 305-701, Republic of Korea, and Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Republic of Korea
| | - Tae Kyu Kim
- Center for Time-Resolved Diffraction, Department of Chemistry, Graduate School of Nanoscience & Technology (WCU), KAIST, Daejeon, 305-701, Republic of Korea, and Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Republic of Korea
| | - Hyotcherl Ihee
- Center for Time-Resolved Diffraction, Department of Chemistry, Graduate School of Nanoscience & Technology (WCU), KAIST, Daejeon, 305-701, Republic of Korea, and Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Republic of Korea
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Li TH, Wang CM, Yu SW, Liu XY, Fu H, Xie XG. A computational study on the gas phase reaction of Os+ with N2O. CHINESE CHEM LETT 2009. [DOI: 10.1016/j.cclet.2009.03.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Zhao L, Liu Z, Guo W, Zhang L, Zhang F, Zhu H, Shan H. Theoretical investigation of the gas-phase Mn(+)- and Co(+)-catalyzed oxidation of benzene by N(2)O. Phys Chem Chem Phys 2009; 11:4219-29. [PMID: 19458823 DOI: 10.1039/b901019j] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The gas-phase Mn(+)- and Co(+)-mediated oxidation of benzene by N(2)O has been theoretically investigated using density functional theory. The geometries and energies of all the stationary points involved are located. Two different oxidation mechanisms, i.e., mediated by M(+)(benzene) and MO(+), are taken into account. In the former catalytic cycle, benzene initially coordinates to the metal ion affording the M(+)(C(6)H(6)) adduct (M = Mn or Co), then N(2)O coordinates to the nascent benzene complex and gets activated by the metal to yield (C(6)H(6))M(+)O(N(2)). After releasing a molecular nitrogen, through the non-radical and/or O-insertion pathways, the system would be oxidized to phenol and regenerates the active catalyst M(+). This catalytic mechanism is energetically favourable, explaining the efficient Mn(+)- and Co(+)-catalyzed benzene hydroxylation observed in ion cyclotron resonance (ICR) experiments [J. Am. Chem. Soc., 1994, 116, 9565-9570]. For the alternative MO(+)-mediated oxidation mechanism, spin inversion as well as high energy barrier in the course of the N-O activation imply low reaction efficiency of the ground-state reactants, according with the ICR experiment finding that MO(+) was formed from exited M(+)*, thus both Mn(+) and Co(+) are unable to work as a catalyst in this case.
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Affiliation(s)
- Lianming Zhao
- College of Physics Science and Technology, China University of Petroleum, Dongying, Shandong, 257061, PR China
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Zhao L, Liu Z, Guo W, Lu X, Lin X, Shan H. Mechanisms for the Ni+-mediated oxidation of benzene to phenol by N2O. Chem Phys Lett 2008. [DOI: 10.1016/j.cplett.2008.08.040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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