1
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Du J, Hurd J, Seed JA, Balázs G, Scheer M, Adams RW, Lee D, Liddle ST. 31P Nuclear Magnetic Resonance Spectroscopy as a Probe of Thorium-Phosphorus Bond Covalency: Correlating Phosphorus Chemical Shift to Metal-Phosphorus Bond Order. J Am Chem Soc 2023; 145:21766-21784. [PMID: 37768555 PMCID: PMC10571089 DOI: 10.1021/jacs.3c02775] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Indexed: 09/29/2023]
Abstract
We report the use of solution and solid-state 31P Nuclear Magnetic Resonance (NMR) spectroscopy combined with Density Functional Theory calculations to benchmark the covalency of actinide-phosphorus bonds, thus introducing 31P NMR spectroscopy to the investigation of molecular f-element chemical bond covalency. The 31P NMR data for [Th(PH2)(TrenTIPS)] (1, TrenTIPS = {N(CH2CH2NSiPri3)3}3-), [Th(PH)(TrenTIPS)][Na(12C4)2] (2, 12C4 = 12-crown-4 ether), [{Th(TrenTIPS)}2(μ-PH)] (3), and [{Th(TrenTIPS)}2(μ-P)][Na(12C4)2] (4) demonstrate a chemical shift anisotropy (CSA) ordering of (μ-P)3- > (═PH)2- > (μ-PH)2- > (-PH2)1- and for 4 the largest CSA for any bridging phosphido unit. The B3LYP functional with 50% Hartree-Fock mixing produced spin-orbit δiso values that closely match the experimental data, providing experimentally benchmarked quantification of the nature and extent of covalency in the Th-P linkages in 1-4 via Natural Bond Orbital and Natural Localized Molecular Orbital analyses. Shielding analysis revealed that the 31P δiso values are essentially only due to the nature of the Th-P bonds in 1-4, with largely invariant diamagnetic but variable paramagnetic and spin-orbit shieldings that reflect the Th-P bond multiplicities and s-orbital mediated transmission of spin-orbit effects from Th to P. This study has permitted correlation of Th-P δiso values to Mayer bond orders, revealing qualitative correlations generally, but which should be examined with respect to specific ancillary ligand families rather than generally to be quantitative, reflecting that 31P δiso values are a very sensitive reporter due to phosphorus being a soft donor that responds to the rest of the ligand field much more than stronger, harder donors like nitrogen.
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Affiliation(s)
- Jingzhen Du
- Department
of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
| | - Joseph Hurd
- Department
of Chemical Engineering, The University
of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
| | - John A. Seed
- Department
of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
| | - Gábor Balázs
- Institute
of Inorganic Chemistry, University of Regensburg, Universitätsstr. 31, 93053 Regensburg, Germany
| | - Manfred Scheer
- Institute
of Inorganic Chemistry, University of Regensburg, Universitätsstr. 31, 93053 Regensburg, Germany
| | - Ralph W. Adams
- Department
of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
| | - Daniel Lee
- Department
of Chemical Engineering, The University
of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
| | - Stephen T. Liddle
- Department
of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
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2
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Palluccio TD, Germain ME, Marazzi M, Temprado M, Silvia JS, Müller P, Cummins CC, Davis JV, Serafim LF, Captain B, Hoff CD, Rybak-Akimova EV. Binding of Nitriles and Isonitriles to V(III) and Mo(III) Complexes: Ligand vs Metal Controlled Mechanism. Inorg Chem 2023. [PMID: 37377337 DOI: 10.1021/acs.inorgchem.3c00595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
The synthesis and structures of nitrile complexes of V(N[tBu]Ar)3, 2 (Ar = 3,5-Me2C6H3), are described. Thermochemical and kinetic data for their formation were determined by variable temperature Fourier transform infrared (FTIR), calorimetry, and stopped-flow techniques. The extent of back-bonding from metal to coordinated nitrile indicates that electron donation from the metal to the nitrile plays a less prominent role for 2 than for the related complex Mo(N[tBu]Ar)3, 1. Kinetic studies reveal similar rate constants for nitrile binding to 2, but the activation parameters depend critically on the nature of R in RCN. Activation enthalpies range from 2.9 to 7.2 kcal·mol-1, and activation entropies from -9 to -28 cal·mol-1·K-1 in an opposing manner. Density functional theory (DFT) calculations provide a plausible explanation supporting the formation of a π-stacking interaction between a pendant arene of the metal anilide of 2 and the arene substituent on the incoming nitrile in favorable cases. Data for ligand binding to 1 do not exhibit this range of activation parameters and are clustered in a small area centered at ΔH‡ = 5.0 kcal·mol-1 and ΔS‡ = -26 cal·mol-1·K-1. Computational studies are in agreement with the experimental data and indicate a stronger dependence on electronic factors associated with the change in spin state upon ligand binding to 1.
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Affiliation(s)
- Taryn D Palluccio
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, United States
| | - Meaghan E Germain
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, United States
| | - Marco Marazzi
- Departamento de Química Analítica, Química Física e Ingeniería Química, Grupo de Reactividad y Estructura Molecular (RESMOL), Universidad de Alcalá, Alcalá de Henares, Madrid 28805, Spain
- Instituto de Investigación Química 'Andrés M. del Río'' (IQAR), Universidad de Alcalá, Alcalá de Henares, Madrid 28805, Spain
| | - Manuel Temprado
- Departamento de Química Analítica, Química Física e Ingeniería Química, Grupo de Reactividad y Estructura Molecular (RESMOL), Universidad de Alcalá, Alcalá de Henares, Madrid 28805, Spain
- Instituto de Investigación Química 'Andrés M. del Río'' (IQAR), Universidad de Alcalá, Alcalá de Henares, Madrid 28805, Spain
| | - Jared S Silvia
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Peter Müller
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Christopher C Cummins
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Jack V Davis
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Leonardo F Serafim
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Burjor Captain
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Carl D Hoff
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Elena V Rybak-Akimova
- Department of Chemistry, Tufts University, Medford, Massachusetts 02155, United States
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3
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Senthil S, Kwon S, Fehn D, Im H, Gau MR, Carroll PJ, Baik MH, Meyer K, Mindiola DJ. Metal-Ligand Cooperativity to Assemble a Neutral and Terminal Niobium Phosphorus Triple Bond (Nb≡P). Angew Chem Int Ed Engl 2022; 61:e202212488. [PMID: 36195827 DOI: 10.1002/anie.202212488] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Indexed: 11/06/2022]
Abstract
Decarbonylation along with P-atom transfer from the phosphaethynolate anion, PCO- , to the NbIV complex [(PNP)NbCl2 (Nt BuAr)] (1) (PNP=N[2-Pi Pr2 -4-methylphenyl]2 - ; Ar=3,5-Me2 C6 H3 ) results in its coupling with one of the phosphine arms of the pincer ligand to produce a phosphanylidene phosphorane complex [(PNPP)NbCl(Nt BuAr)] (2). Reduction of 2 with CoCp*2 cleaves the P-P bond to form the first neutral and terminal phosphido complex of a group 5 transition metal, namely, [(PNP)Nb≡P(Nt BuAr)] (3). Theoretical studies have been used to understand both the coupling of the P-atom and the reductive cleavage of the P-P bond. Reaction of 3 with a two-electron oxidant such as ethylene sulfide results in a diamagnetic sulfido complex having a P-P coupled ligand, namely [(PNPP)Nb=S(Nt BuAr)] (4).
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Affiliation(s)
- Shuruthi Senthil
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Seongyeon Kwon
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
| | - Dominik Fehn
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91058, Erlangen, Germany
| | - Hoyoung Im
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
| | - Michael R Gau
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Patrick J Carroll
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Mu-Hyun Baik
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon, 34141, Republic of Korea
| | - Karsten Meyer
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91058, Erlangen, Germany
| | - Daniel J Mindiola
- Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
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4
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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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5
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Abstract
Carbide complexes remain a rare class of molecules. Their paucity does not reflect exceptional instability but is rather due to the generally narrow scope of synthetic procedures for constructing carbide complexes. The preparation of carbide complexes typically revolves around generating LnM-CEx fragments, followed by cleavage of the C-E bonds of the coordinated carbon-based ligands (the alternative being direct C atom transfer). Prime examples involve deoxygenation of carbonyl ligands and deprotonation of methyl ligands, but several other p-block fragments can be cleaved off to afford carbide ligands. This Review outlines synthetic strategies toward terminal carbide complexes, bridging carbide complexes, as well as carbide-carbonyl cluster complexes. It then surveys the reactivity of carbide complexes, covering stoichiometric reactions where the carbide ligands act as C1 reagents, engage in cross-coupling reactions, and enact Fischer-Tropsch-like chemistry; in addition, we discuss carbide complexes in the context of catalysis. Finally, we examine spectroscopic features of carbide complexes, which helps to establish the presence of the carbide functionality and address its electronic structure.
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Affiliation(s)
- Anders Reinholdt
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Jesper Bendix
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
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6
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Munz D, Meyer K. Charge frustration in ligand design and functional group transfer. Nat Rev Chem 2021; 5:422-439. [PMID: 37118028 DOI: 10.1038/s41570-021-00276-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2021] [Indexed: 02/08/2023]
Abstract
Molecules with different resonance structures of similar importance, such as heterocumulenes and mesoionics, are prominent in many applications of chemistry, including 'click chemistry', photochemistry, switching and sensing. In coordination chemistry, similar chameleonic/schizophrenic entities are referred to as ambidentate/ambiphilic or cooperative ligands. Examples of these had remained, for a long time, limited to a handful of archetypal compounds that were mere curiosities. In this Review, we describe ambiphilicity - or, rather, 'charge frustration' - as a general guiding principle for ligand design and functional group transfer. We first give a historical account of organic zwitterions and discuss their electronic structures and applications. Our discussion then focuses on zwitterionic ligands and their metal complexes, such as those of ylidic and redox-active ligands. Finally, we present new approaches to single-atom transfer using cumulated small molecules and outline emerging areas, such as bond activation and stable donor-acceptor ligand systems for reversible 1e- chemistry or switching.
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7
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Forrest SJK, Schluschaß B, Yuzik-Klimova EY, Schneider S. Nitrogen Fixation via Splitting into Nitrido Complexes. Chem Rev 2021; 121:6522-6587. [DOI: 10.1021/acs.chemrev.0c00958] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sebastian J. K. Forrest
- Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | - Bastian Schluschaß
- Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
| | | | - Sven Schneider
- Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, D-37077 Göttingen, Germany
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8
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Weber JE, Hasanayn F, Fataftah M, Mercado BQ, Crabtree RH, Holland PL. Electronic and Spin-State Effects on Dinitrogen Splitting to Nitrides in a Rhenium Pincer System. Inorg Chem 2021; 60:6115-6124. [PMID: 33847125 DOI: 10.1021/acs.inorgchem.0c03778] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bimetallic nitrogen (N2) splitting to form metal nitrides is an attractive method for N2 fixation. Although a growing number of pincer-supported systems can bind and split N2, the precise relationship between the ligand properties and N2 binding/splitting remains elusive. Here we report the first example of an N2-bridged rhenium(III) complex, [(trans-P2tBuPyrr)ReCl2]2(μ-η1:η1-N2) (P2tBuPyrr = [2,5-(CH2PtBu2)2C4H2N]-). In this case, N2 binding occurs at a higher oxidation level than that in other reported pincer analogues. Analysis of the electronic structure through computational studies shows that the weakly π-donor pincer ligand stabilizes an open-shell electronic configuration that leads to enhanced binding of N2 in the bridged complex. Utilizing SQUID magnetometry, we demonstrate a singlet ground state for this Re-N-N-Re complex, and we offer tentative explanations for antiferromagnetic coupling of the two local S = 1 sites. Reduction and subsequent heating of the rhenium(III)-dinitrogen complex leads to chloride loss and cleavage of the N-N bond with isolation of the terminal rhenium(V) nitride complex (P2tBuPyrr)ReNCl.
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Affiliation(s)
- Jeremy E Weber
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06511, United States
| | - Faraj Hasanayn
- Department of Chemistry, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Majed Fataftah
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06511, United States
| | - Brandon Q Mercado
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06511, United States
| | - Robert H Crabtree
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06511, United States
| | - Patrick L Holland
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06511, United States
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9
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Conejo MDM, Pastor A, Montilla F, Galindo A. P atom as ligand in transition metal chemistry: Structural aspects. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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10
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Colebatch AL, Frogley BJ, Hill AF, Onn CS. Pnictogen‐Functionalised C
1
Ligands: MC‐AR
n
(
n
=0, 1, 2, 3). Chemistry 2021; 27:5322-5343. [DOI: 10.1002/chem.202004280] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Annie L. Colebatch
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
| | - Benjamin J. Frogley
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
| | - Anthony F. Hill
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
| | - Chee S. Onn
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
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11
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Reinholdt A, Pividori D, Laughlin AL, DiMucci IM, MacMillan SN, Jafari MG, Gau MR, Carroll PJ, Krzystek J, Ozarowski A, Telser J, Lancaster KM, Meyer K, Mindiola DJ. A Mononuclear and High-Spin Tetrahedral Ti II Complex. Inorg Chem 2020; 59:17834-17850. [PMID: 33258366 PMCID: PMC7928263 DOI: 10.1021/acs.inorgchem.0c02586] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Indexed: 12/31/2022]
Abstract
A high-spin, mononuclear TiII complex, [(TptBu,Me)TiCl] [TptBu,Me- = hydridotris(3-tert-butyl-5-methylpyrazol-1-yl)borate], confined to a tetrahedral ligand-field environment, has been prepared by reduction of the precursor [(TptBu,Me)TiCl2] with KC8. Complex [(TptBu,Me)TiCl] has a 3A2 ground state (assuming C3v symmetry based on structural studies), established via a combination of high-frequency and -field electron paramagnetic resonance (HFEPR) spectroscopy, solution and solid-state magnetic studies, Ti K-edge X-ray absorption spectroscopy (XAS), and both density functional theory and ab initio (complete-active-space self-consistent-field, CASSCF) calculations. The formally and physically defined TiII complex readily binds tetrahydrofuran (THF) to form the paramagnetic adduct [(TptBu,Me)TiCl(THF)], which is impervious to N2 binding. However, in the absence of THF, the TiII complex captures N2 to produce the diamagnetic complex [(TptBu,Me)TiCl]2(η1,η1;μ2-N2), with a linear Ti═N═N═Ti topology, established by single-crystal X-ray diffraction. The N2 complex was characterized using XAS as well as IR and Raman spectroscopies, thus establishing this complex to possess two TiIII centers covalently bridged by an N22- unit. A π acid such as CNAd (Ad = 1-adamantyl) coordinates to [(TptBu,Me)TiCl] without inducing spin pairing of the d electrons, thereby forming a unique high-spin and five-coordinate TiII complex, namely, [(TptBu,Me)TiCl(CNAd)]. The reducing power of the coordinatively unsaturated TiII-containing [(ΤptBu,Me)TiCl] species, quantified by electrochemistry, provides access to a family of mononuclear TiIV complexes of the type [(TptBu,Me)Ti═E(Cl)] (with E2- = NSiMe3, N2CPh2, O, and NH) by virtue of atom- or group-transfer reactions using various small molecules such as N3SiMe3, N2CPh2, N2O, and the bicyclic amine 2,3:5,6-dibenzo-7-azabicyclo[2.2.1]hepta-2,5-diene.
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Affiliation(s)
- Anders Reinholdt
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Daniel Pividori
- Inorganic
Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Alexander L. Laughlin
- Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Ida M. DiMucci
- Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Samantha N. MacMillan
- Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Mehrafshan G. Jafari
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Michael R. Gau
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Patrick J. Carroll
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - J. Krzystek
- National
High Magnetic Field Laboratory, Florida
State University, Tallahassee, Florida 32310, United States
| | - Andrew Ozarowski
- National
High Magnetic Field Laboratory, Florida
State University, Tallahassee, Florida 32310, United States
| | - Joshua Telser
- Department
of Biological, Physical and Health Sciences, Roosevelt University, Chicago, Illinois 60605, United States
| | - Kyle M. Lancaster
- Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Karsten Meyer
- Inorganic
Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Daniel J. Mindiola
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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12
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Bruch QJ, Connor GP, McMillion ND, Goldman AS, Hasanayn F, Holland PL, Miller AJM. Considering Electrocatalytic Ammonia Synthesis via Bimetallic Dinitrogen Cleavage. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02606] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Quinton J. Bruch
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Gannon P. Connor
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Noah D. McMillion
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Alan S. Goldman
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903, United States
| | - Faraj Hasanayn
- Department of Chemistry, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Patrick L. Holland
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Alexander J. M. Miller
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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13
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Kim S, Loose F, Chirik PJ. Beyond Ammonia: Nitrogen–Element Bond Forming Reactions with Coordinated Dinitrogen. Chem Rev 2020; 120:5637-5681. [DOI: 10.1021/acs.chemrev.9b00705] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sangmin Kim
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Florian Loose
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Paul J. Chirik
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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14
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Pucino M, Allouche F, Gordon CP, Wӧrle M, Mougel V, Copéret C. A reactive coordinatively saturated Mo(iii) complex: exploiting the hemi-lability of tris( tert-butoxy)silanolate ligands. Chem Sci 2019; 10:6362-6367. [PMID: 31341592 PMCID: PMC6601292 DOI: 10.1039/c9sc01955c] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 05/13/2019] [Indexed: 12/15/2022] Open
Abstract
Hemilabile tris(tert-butoxy)silanolate ligands allow stabilizing a mononuclear octahedral Mo(iii) complex without quenching its reactivity towards small molecules (N2, CO2, N2O).
Coordinatively unsaturated Mo(iii) complexes have been identified as highly reactive species able to activate dinitrogen without the need for a sacrificial reducing agent. Here, we report a coordinatively saturated octahedral Mo(iii) complex stabilized by κ2-tris(tert-butoxy)silanolate ligands, which is yet highly reactive towards dinitrogen and small molecules. The combined high stability and activity are ascribed to the dual binding mode of the tris(tert-butoxy)silanolate ligands that allow unlocking a coordination site in the presence of reactive small molecules to promote their activation at low temperatures.
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Affiliation(s)
- Margherita Pucino
- Department of Chemistry and Applied Biosciences , ETH Zurich , Vladimir-Prelog-Weg 2 , 8093 Zurich , Switzerland . ;
| | - Florian Allouche
- Department of Chemistry and Applied Biosciences , ETH Zurich , Vladimir-Prelog-Weg 2 , 8093 Zurich , Switzerland . ;
| | - Christopher P Gordon
- Department of Chemistry and Applied Biosciences , ETH Zurich , Vladimir-Prelog-Weg 2 , 8093 Zurich , Switzerland . ;
| | - Michael Wӧrle
- Department of Chemistry and Applied Biosciences , ETH Zurich , Vladimir-Prelog-Weg 2 , 8093 Zurich , Switzerland . ;
| | - Victor Mougel
- Department of Chemistry and Applied Biosciences , ETH Zurich , Vladimir-Prelog-Weg 2 , 8093 Zurich , Switzerland . ;
| | - Christophe Copéret
- Department of Chemistry and Applied Biosciences , ETH Zurich , Vladimir-Prelog-Weg 2 , 8093 Zurich , Switzerland . ;
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15
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Johnson SI, Heins SP, Klug CM, Wiedner ES, Bullock RM, Raugei S. Design and reactivity of pentapyridyl metal complexes for ammonia oxidation. Chem Commun (Camb) 2019; 55:5083-5086. [DOI: 10.1039/c9cc01249d] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Computational and experimental work shows that Mo pentapyridal complexes can oxidize ammonia in the presence of a chemical mediator and evolve N2.
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Affiliation(s)
- Samantha I. Johnson
- Center for Molecular Electrocatalysis
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Spencer P. Heins
- Center for Molecular Electrocatalysis
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Christina M. Klug
- Center for Molecular Electrocatalysis
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Eric S. Wiedner
- Center for Molecular Electrocatalysis
- Pacific Northwest National Laboratory
- Richland
- USA
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Simone Raugei
- Center for Molecular Electrocatalysis
- Pacific Northwest National Laboratory
- Richland
- USA
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16
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Yao L, Li Y, Huang L, Guo K, Ren G, Wu Z, Lei Q, Fang W, Xie H. A DFT study on the mechanisms of hydrogenation and hydrosilylation of nitrous oxide catalyzed by a ruthenium PNP pincer complex. COMPUT THEOR CHEM 2018. [DOI: 10.1016/j.comptc.2018.02.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Buss JA, Oyala PH, Agapie T. Terminal Molybdenum Phosphides with d Electrons: Radical Character Promotes Coupling Chemistry. Angew Chem Int Ed Engl 2017; 56:14502-14506. [DOI: 10.1002/anie.201707921] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Joshua A. Buss
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Paul H. Oyala
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Theodor Agapie
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
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18
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Buss JA, Oyala PH, Agapie T. Terminal Molybdenum Phosphides with d Electrons: Radical Character Promotes Coupling Chemistry. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707921] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Joshua A. Buss
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Paul H. Oyala
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Theodor Agapie
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
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19
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Rookes TM, Gardner BM, Balázs G, Gregson M, Tuna F, Wooles AJ, Scheer M, Liddle ST. Crystalline Diuranium Phosphinidiide and μ-Phosphido Complexes with Symmetric and Asymmetric UPU Cores. Angew Chem Int Ed Engl 2017; 56:10495-10500. [PMID: 28677144 PMCID: PMC5577518 DOI: 10.1002/anie.201706002] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Indexed: 11/11/2022]
Abstract
Reaction of [U(TrenTIPS )(PH2 )] (1, TrenTIPS =N(CH2 CH2 NSiPri3 )3 ) with C6 H5 CH2 K and [U(TrenTIPS )(THF)][BPh4 ] (2) afforded a rare diuranium parent phosphinidiide complex [{U(TrenTIPS )}2 (μ-PH)] (3). Treatment of 3 with C6 H5 CH2 K and two equivalents of benzo-15-crown-5 ether (B15C5) gave the diuranium μ-phosphido complex [{U(TrenTIPS )}2 (μ-P)][K(B15C5)2 ] (4). Alternatively, reaction of [U(TrenTIPS )(PH)][Na(12C4)2 ] (5, 12C4=12-crown-4 ether) with [U{N(CH2 CH2 NSiMe2 But )2 CH2 CH2 NSi(Me)(CH2 )(But )}] (6) produced the diuranium μ-phosphido complex [{U(TrenTIPS )}(μ-P){U(TrenDMBS )}][Na(12C4)2 ] [7, TrenDMBS =N(CH2 CH2 NSiMe2 But )3 ]. Compounds 4 and 7 are unprecedented examples of uranium phosphido complexes outside of matrix isolation studies, and they rapidly decompose in solution underscoring the paucity of uranium phosphido complexes. Interestingly, 4 and 7 feature symmetric and asymmetric UPU cores, respectively, reflecting their differing steric profiles.
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Affiliation(s)
- Thomas M. Rookes
- School of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Benedict M. Gardner
- School of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Gábor Balázs
- Institute of Inorganic ChemistryUniversity of RegensburgUniversitätsstrasse 3193053RegensburgGermany
| | - Matthew Gregson
- School of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Floriana Tuna
- School of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Ashley J. Wooles
- School of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
| | - Manfred Scheer
- Institute of Inorganic ChemistryUniversity of RegensburgUniversitätsstrasse 3193053RegensburgGermany
| | - Stephen T. Liddle
- School of ChemistryThe University of ManchesterOxford RoadManchesterM13 9PLUK
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20
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Rookes TM, Gardner BM, Balázs G, Gregson M, Tuna F, Wooles AJ, Scheer M, Liddle ST. Crystalline Diuranium Phosphinidiide and μ-Phosphido Complexes with Symmetric and Asymmetric UPU Cores. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Thomas M. Rookes
- School of Chemistry; The University of Manchester; Oxford Road Manchester M13 9PL UK
| | - Benedict M. Gardner
- School of Chemistry; The University of Manchester; Oxford Road Manchester M13 9PL UK
| | - Gábor Balázs
- Institute of Inorganic Chemistry; University of Regensburg; Universitätsstrasse 31 93053 Regensburg Germany
| | - Matthew Gregson
- School of Chemistry; The University of Manchester; Oxford Road Manchester M13 9PL UK
| | - Floriana Tuna
- School of Chemistry; The University of Manchester; Oxford Road Manchester M13 9PL UK
| | - Ashley J. Wooles
- School of Chemistry; The University of Manchester; Oxford Road Manchester M13 9PL UK
| | - Manfred Scheer
- Institute of Inorganic Chemistry; University of Regensburg; Universitätsstrasse 31 93053 Regensburg Germany
| | - Stephen T. Liddle
- School of Chemistry; The University of Manchester; Oxford Road Manchester M13 9PL UK
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21
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Gianetti TL, Rodríguez-Lugo RE, Harmer JR, Trincado M, Vogt M, Santiso-Quinones G, Grützmacher H. Zero-Valent Amino-Olefin Cobalt Complexes as Catalysts for Oxygen Atom Transfer Reactions from Nitrous Oxide. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201609173] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Thomas L. Gianetti
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Rafael E. Rodríguez-Lugo
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
- Laboratorio de Química Bioinorgánica; Centro de Química; Instituto Venezolano de Investigaciones Científicas (IVIC); Caracas 1020-A Venezuela
| | - Jeffrey R. Harmer
- Centre for Advanced Imaging; University of Queensland; Brisbane QLD 4072 Australia
| | - Monica Trincado
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Matthias Vogt
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
- Institut für Anorganische Chemie und Kristallographie; Universität Bremen; Leobener Str. NW2 28359 Bremen Germany
| | - Gustavo Santiso-Quinones
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Hansjörg Grützmacher
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
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22
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Gianetti TL, Rodríguez-Lugo RE, Harmer JR, Trincado M, Vogt M, Santiso-Quinones G, Grützmacher H. Zero-Valent Amino-Olefin Cobalt Complexes as Catalysts for Oxygen Atom Transfer Reactions from Nitrous Oxide. Angew Chem Int Ed Engl 2016; 55:15323-15328. [DOI: 10.1002/anie.201609173] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Thomas L. Gianetti
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Rafael E. Rodríguez-Lugo
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
- Laboratorio de Química Bioinorgánica; Centro de Química; Instituto Venezolano de Investigaciones Científicas (IVIC); Caracas 1020-A Venezuela
| | - Jeffrey R. Harmer
- Centre for Advanced Imaging; University of Queensland; Brisbane QLD 4072 Australia
| | - Monica Trincado
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Matthias Vogt
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
- Institut für Anorganische Chemie und Kristallographie; Universität Bremen; Leobener Str. NW2 28359 Bremen Germany
| | - Gustavo Santiso-Quinones
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
| | - Hansjörg Grützmacher
- Department of Chemistry and Applied Biosciences; ETH Zürich, Laboratory of Inorganic Chemistry; Vladimir-Prelog-Weg 1 8093 Zürich Switzerland
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23
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MacLeod KC, Menges FS, McWilliams SF, Craig SM, Mercado BQ, Johnson MA, Holland PL. Alkali-Controlled C-H Cleavage or N-C Bond Formation by N2-Derived Iron Nitrides and Imides. J Am Chem Soc 2016; 138:11185-91. [PMID: 27571271 PMCID: PMC5266523 DOI: 10.1021/jacs.6b04984] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Formation of N-H and N-C bonds from functionalization of N2 is a potential route to utilization of this abundant resource. One of the key challenges is to make the products of N2 activation reactive enough to undergo further reactions under mild conditions. This paper explores the strategy of "alkali control," where the presence of an alkali metal cation enables the reduction of N2 under mild conditions, and then chelation of the alkali metal cation uncovers a highly reactive species that can break benzylic C-H bonds to give new N-H and Fe-C bonds. The ability to "turn on" this C-H activation pathway with 18-crown-6 is demonstrated with three different N2 reduction products of N2 cleavage in an iron-potassium system. The alkali control strategy can also turn on an intermolecular reaction of an N2-derived nitride with methyl tosylate that gives a new N-C bond. Since the transient K(+)-free intermediate reacts with this electrophile but not with the weak C-H bonds in 1,4-cyclohexadiene, it is proposed that the C-H cleavage occurs by a deprotonation mechanism. The combined results demonstrate that a K(+) ion can mask the latent nucleophilicity of N2-derived nitride and imide ligands within a trimetallic iron system and points a way toward control over N2 functionalization.
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Affiliation(s)
- K. Cory MacLeod
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Fabian S. Menges
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Sean F. McWilliams
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Stephanie M. Craig
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Brandon Q. Mercado
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Mark A. Johnson
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Patrick L. Holland
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
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24
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Xie H, Liu C, Yuan Y, Zhou T, Fan T, Lei Q, Fang W. Oxidation of phenyl and hydride ligands of bis(pentamethylcyclopentadienyl)hafnium derivatives by nitrous oxide via selective oxygen atom transfer reactions: insights from quantum chemistry calculations. Dalton Trans 2016; 45:1152-9. [PMID: 26660046 DOI: 10.1039/c5dt03264d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The mechanisms for the oxidation of phenyl and hydride ligands of bis(pentamethylcyclopentadienyl)hafnium derivatives (Cp* = η(5)-C5Me5) by nitrous oxide via selective oxygen atom transfer reactions have been systematically studied by means of density functional theory (DFT) calculations. On the basis of the calculations, we investigated the original mechanism proposed by Hillhouse and co-workers for the activation of N2O. The calculations showed that the complex with an initial O-coordination of N2O to the coordinatively unsaturated Hf center is not a local minimum. Then we proposed a new reaction mechanism to investigate how N2O is activated and why N2O selectively oxidize phenyl and hydride ligands of . Frontier molecular orbital theory analysis indicates that N2O is activated by nucleophilic attack by the phenyl or hydride ligand. Present calculations provide new insights into the activation of N2O involving the direct oxygen atom transfer from nitrous oxide to metal-ligand bonds instead of the generally observed oxygen abstraction reaction to generate metal-oxo species.
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Affiliation(s)
- Hujun Xie
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310018, People's Republic of China.
| | - Chengcheng Liu
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310018, People's Republic of China.
| | - Ying Yuan
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310018, People's Republic of China.
| | - Tao Zhou
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310018, People's Republic of China.
| | - Ting Fan
- Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden.
| | - Qunfang Lei
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
| | - Wenjun Fang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People's Republic of China
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25
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Robinson R, Shaw MF, Stranger R, Yates BF. Theoretical study of the mechanism for the sequential N–O and N–N bond cleavage within N2O adducts of N-heterocyclic carbenes by a vanadium(iii) complex. Dalton Trans 2016; 45:1047-54. [DOI: 10.1039/c5dt03600c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The addition of N-heterocyclic carbene (NHC) increases the activity of N2O towards cleavage of both the N–O and N–N bonds.
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Affiliation(s)
- Robert Robinson
- School of Physical Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
| | - Miranda F. Shaw
- School of Physical Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
| | - Robert Stranger
- Research School of Chemistry
- Australian National University
- Canberra
- Australia
| | - Brian F. Yates
- School of Physical Sciences (Chemistry)
- University of Tasmania
- Hobart
- Australia
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26
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Camp C, Naested LC, Severin K, Arnold J. N–N bond cleavage in a nitrous oxide–NHC adduct promoted by a PNP pincer cobalt(I) complex. Polyhedron 2016. [DOI: 10.1016/j.poly.2015.09.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Landaeta VR, Rodríguez-Lugo RE. Catalytic oxygenation of organic substrates: Toward greener ways for incorporating oxygen. Inorganica Chim Acta 2015. [DOI: 10.1016/j.ica.2015.01.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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28
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Thornley WA, Bitterwolf TE. Photochemically induced intramolecular six-electron reductive elimination and oxidative addition of nitric oxide by the nitridoosmate(VIII) anion. Angew Chem Int Ed Engl 2015; 54:2068-72. [PMID: 25537499 DOI: 10.1002/anie.201408816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Indexed: 11/11/2022]
Abstract
UV photolysis of the nitridoosmate(VIII) anion, OsO3 N(-) , in low-temperature frozen matrices results in nitrogen-oxygen bond formation to give the Os(II) nitrosyl complex OsO2 (NO)(-) . Photolysis of the Os(II) nitrosyl product with visible wavelengths results in reversion to the parent Os(VIII) complex. Formally a six-electron reductive elimination and oxidative addition, respectively, this represents the first reported example of such an intramolecular transformation. DFT modelling of this reaction proceeds through a step-wise mechanism taking place through a side-on nitroxyl Os(VI) intermediate, OsO2 (η(2) -NO)(-) .
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Affiliation(s)
- Wyatt A Thornley
- Department of Chemistry, University of Idaho, 875 Perimeter Dr, Moscow, ID 83844-2343 (USA)
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29
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Robinson R, Abbasi KK, Ariafard A, Stranger R, Yates BF. Sulfur Dioxide Activation: A Theoretical Investigation into Dual S═O Bond Cleavage by Three-Coordinate Molybdenum(III) Complexes. Inorg Chem 2015; 54:534-43. [DOI: 10.1021/ic502298j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Robert Robinson
- School
of Physical Sciences - Chemistry, University of Tasmania, Private
Bag 75, Hobart TAS 7001, Australia
| | - Kiana Khadem Abbasi
- Department
of Chemistry, Faulty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Alireza Ariafard
- School
of Physical Sciences - Chemistry, University of Tasmania, Private
Bag 75, Hobart TAS 7001, Australia
- Department
of Chemistry, Faulty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Robert Stranger
- Research
School of Chemistry, Australian National University, Canberra, ACT 0200, Australia
| | - Brian F. Yates
- School
of Physical Sciences - Chemistry, University of Tasmania, Private
Bag 75, Hobart TAS 7001, Australia
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30
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Abstract
Nitrous oxide (N2O, ‘laughing gas’) is a very inert molecule. Still, it can be used as a reagent in synthetic organic and inorganic chemistry, serving as O-atom donor, as N-atom donor, or as a oxidant in metal-catalyzed reactions.
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Affiliation(s)
- Kay Severin
- Institut des Sciences et Ingénierie Chimiques
- Ecole Polytechnique Fédérale de Lausanne (EPFL)
- 1015 Lausanne
- Switzerland
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31
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Spinney HA, Clough CR, Cummins CC. The titanium tris-anilide cation [Ti(N[tBu]Ar)3]+ stabilized as its perfluoro-tetra-phenylborate salt: structural characterization and synthesis in connection with redox activity of 4,4′-bipyridine dititanium complexes. Dalton Trans 2015; 44:6784-96. [DOI: 10.1039/c5dt00105f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A rare cationic d0 metal tris-amide complex, containing an intriguing pyramidal TiN3 core geometry, namely {Ti(N[tBu]Ar)3}+, is isolated as its [B(C6F5)4]− salt.
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Affiliation(s)
- Heather A. Spinney
- 6-435 Department of Chemistry
- Massachusetts Institute of Technology
- Cambridge
- USA
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32
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Thornley WA, Bitterwolf TE. Photochemically Induced Intramolecular Six-Electron Reductive Elimination and Oxidative Addition of Nitric Oxide by the Nitridoosmate(VIII) Anion. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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33
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Majumdar S, Stauber JM, Palluccio TD, Cai X, Velian A, Rybak-Akimova EV, Temprado M, Captain B, Cummins CC, Hoff CD. Role of Axial Base Coordination in Isonitrile Binding and Chalcogen Atom Transfer to Vanadium(III) Complexes. Inorg Chem 2014; 53:11185-96. [DOI: 10.1021/ic5017005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Subhojit Majumdar
- Department of Chemistry, University of Miami, 1301 Memorial
Drive, Coral Gables Florida 33021, United States
| | - Julia M. Stauber
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Taryn D. Palluccio
- Department of Chemistry, Tufts University, 62
Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Xiaochen Cai
- Department of Chemistry, University of Miami, 1301 Memorial
Drive, Coral Gables Florida 33021, United States
| | - Alexandra Velian
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Elena V. Rybak-Akimova
- Department of Chemistry, Tufts University, 62
Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Manuel Temprado
- Department of Analytical Chemistry, Physical Chemistry and Chemical
Engineering, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, Madrid, 28871, Spain
| | - Burjor Captain
- Department of Chemistry, University of Miami, 1301 Memorial
Drive, Coral Gables Florida 33021, United States
| | - Christopher C. Cummins
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Carl D. Hoff
- Department of Chemistry, University of Miami, 1301 Memorial
Drive, Coral Gables Florida 33021, United States
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34
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MacLeod KC, Vinyard DJ, Holland PL. A multi-iron system capable of rapid N2 formation and N2 cleavage. J Am Chem Soc 2014; 136:10226-9. [PMID: 25004280 PMCID: PMC4353015 DOI: 10.1021/ja505193z] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The six-electron oxidation of two nitrides to N2 is a key step of ammonia synthesis and decomposition reactions on surfaces. In molecular complexes, nitride coupling has been observed with terminal nitrides, but not with bridging nitride complexes that more closely resemble catalytically important surface species. Further, nitride coupling has not been reported in systems where the nitrides are derived from N2. Here, we show that a molecular diiron(II) diiron(III) bis(nitride) complex reacts with Lewis bases, leading to the rapid six-electron oxidation of two bridging nitrides to form N2. Surprisingly, these mild reagents generate high yields of iron(I) products from the iron(II/III) starting material. This is the first molecular system that both breaks and forms the triple bond of N2 at room temperature. These results highlight the ability of multi-iron species to decrease the energy barriers associated with the activation of strong bonds.
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Affiliation(s)
- K Cory MacLeod
- Department of Chemistry, Yale University , 225 Prospect Street, New Haven, Connecticut 06520, United States
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Mindiola DJ, Watson LA, Meyer K, Hillhouse GL. Functionalization of Complexed N 2O in Bis(pentamethylcyclopentadienyl) Systems of Zirconium and Titanium. Organometallics 2014; 33:2760-2769. [PMID: 24954968 PMCID: PMC4059529 DOI: 10.1021/om5002556] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Indexed: 01/19/2023]
Abstract
Methyl triflate reacts with the metastable azoxymetallacyclopentene complex Cp*2Zr(N(O)NCPhCPh), generated in situ from nitrous oxide insertion into the Zr-C bond of Cp*2Zr(η2-PhCCPh) at -78 °C, to afford the salt [Cp*2Zr(N(O)N(Me)CPhCPh)][O3SCF3] (1) in 48% isolated yield. A single-crystal X-ray structure of 1 features a planar azoxymetallacycle with methyl alkylation taking place only at the β-nitrogen position of the former Zr(N(O)NCPhCPh) scaffold. In addition to 1, the methoxy-triflato complex Cp*2Zr(OMe)(O3SCF3) (2) was also isolated from the reaction mixture in 26% yield and fully characterized, including its independent synthesis from the alkylation of Cp*2Zr=O(NC5H5) with MeO3SCF3. Complex 2 could also be observed, spectroscopically, from the thermolysis of 1 (80 °C, 2 days). In contrast to Cp*2Zr(N(O)NPhCCPh), the more stable titanium N2O-inserted analogue, Cp*2Ti(N(O)NCPhCPh), reacts with MeO3SCF3 to afford a 1:1 mixture of regioisomeric salts, [Cp*2Ti(N(O)N(Me)CPhCPh)][O3SCF3] (3) and [Cp*2Ti(N(OMe)NCPhCPh)][O3SCF3] (4), in a combined 65% isolated yield. Single-crystal X-ray diffraction studies of a cocrystal of 3 and 4 show a 1:1 mixture of azoxymetallacyle salts resulting from methyl alkylation at both the β-nitrogen and the β-oxygen of the former Ti(N(O)NCPhCPh ring. As opposed to alkylation reactions, the one-electron reduction of Cp*2Ti(N(O)NCPhCPh) with KC8, followed by encapsulation with the cryptand 2,2,2-Kryptofix, resulted in the isolation of the discrete radical anion [K(2,2,2-Kryptofix)][Cp*2Ti(N(O)NCPhCPh)] (5) in 68% yield. Complex 5 was studied by single-crystal X-ray diffraction, and its solution X-band EPR spectrum suggested a nonbonding σ-type wedge hybrid orbital on titanium, d(z2)/d(x2-y2), houses the unpaired electron, without perturbing the azoxymetallacycle core in Cp*2Ti(N(O)NCPhCPh). Theoretical studies of Ti and the Zr analogue are also presented and discussed.
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36
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Maity B, Koley D. Mechanistic investigation of the reactivity of disilene with nitrous oxide: A DFT study. J Mol Graph Model 2014; 51:50-63. [PMID: 24858255 DOI: 10.1016/j.jmgm.2014.04.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Revised: 04/24/2014] [Accepted: 04/26/2014] [Indexed: 11/30/2022]
Abstract
We have reported the mechanistic investigation of the reaction of N2O addition to disilene, trans-[(TMS)2N(η(1)-Me5C5)SiSi(η(1)-Me5C5)N(TMS)2] (1t), employing density functional theory (BP86/TZVP//BP86/SVP) calculations. The potential energy surfaces of the title reaction are broadly classified under three pathways. Pathway I deals with the direct N2O additions to 1t affording the trans-dioxadisiletane ring compound Pt whereas in the same pathway we report a different bifurcation route from intermediate 2t. This route portrays the isomerization of trans-monooxadisiletane species 2t prior to the second N2O addition, finally leading to the cis-isomeric product Pc. Different possibilities for isomerization of disilene 1t to 1c were studied in pathway II. The cis-disilene (1c) formed can subsequently react with two N2O molecules affording the cis-product Pc. Pathway III details the formation of silanone type intermediate 6, which subsequently combine with another silanone to afford loosely bound intermediates 7 and 8 respectively. The two separated silanone fragments in the isomeric intermediates 7 and 8 can then dimerizes to furnish the desired products. Among all the calculated potential energy surfaces, pathway III remains the most preferred route for disilene oxygenation under normal experimental condition. The present investigation about disilene reactivity will provide a deeper understanding on silylene chemistry and will exhibit promising applicability in main group chemistry as a whole.
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Affiliation(s)
- Bholanath Maity
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur 741252, India
| | - Debasis Koley
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur 741252, India.
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37
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Tskhovrebov AG, Solari E, Scopelliti R, Severin K. Reactions of Grignard Reagents with Nitrous Oxide. Organometallics 2014. [DOI: 10.1021/om500333y] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Alexander G. Tskhovrebov
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Euro Solari
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Kay Severin
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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38
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Xie H, Yang L, Ye X, Cao Z. Mechanism of Carbon Monoxide Induced N–N Bond Cleavage of Nitrous Oxide Mediated by Molybdenum Complexes: A DFT Study. Organometallics 2014. [DOI: 10.1021/om400935f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hujun Xie
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310035, People’s Republic of China
| | - Liu Yang
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310035, People’s Republic of China
| | - Xinchen Ye
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310035, People’s Republic of China
| | - Zexing Cao
- State Key Laboratory of Physical Chemistry
of Solid Surfaces and Fujian Provincial Key Laboratory of Theoretical
and Computational Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People’s Republic of China
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40
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Shaw MF, Mahdizadeh Ghohe N, Ariafard A, Brookes NJ, Stranger R, Yates BF. NO2 bond cleavage by MoL3 complexes. Dalton Trans 2014; 43:1620-9. [PMID: 24217121 DOI: 10.1039/c3dt52554f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The cleavage of one N-O bond in NO2 by two equivalents of Mo(NRAr)3 has been shown to occur to form molybdenum oxide and nitrosyl complexes. The mechanism and electronic rearrangement of this reaction was investigated using density functional theory, using both a model Mo(NH2)3 system and the full [N((t)Bu)(3,5-dimethylphenyl)] experimental ligand. For the model ligand, several possible modes of coordination for the resulting complex were observed, along with isomerisation and bond breaking pathways. The lowest barrier for direct bond cleavage was found to be via the singlet η(2)-N,O complex (7 kJ mol(-1)). Formation of a bimetallic species was also possible, giving an overall decrease in energy and a lower barrier for reaction (3 kJ mol(-1)). Results for the full ligand showed similar trends in energies for both isomerisation between the different isomers, and for the mononuclear bond cleavage. The lowest calculated barrier for cleavage was only 21 kJ mol(-1)via the triplet η(1)-O isomer, with a strong thermodynamic driving force to the final products of the doublet metal oxide and a molecule of NO. Formation of the full ligand dinuclear complex was not accompanied by an equivalent decrease in energy seen with the model ligand. Direct bond cleavage via an η(1)-O complex is thus the likely mechanism for the experimental reaction that occurs at ambient temperature and pressure. Unlike the other known reactions between MoL3 complexes and small molecules, the second equivalent of the metal does not appear to be necessary, but instead irreversibly binds to the released nitric oxide.
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Affiliation(s)
- Miranda F Shaw
- School of Chemistry, University of Tasmania, Private Bag 75, Hobart, TAS 7001, Australia.
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41
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Cavigliasso G, Criddle A, Kim HS, Stranger R, Yates BF. On the selective cleavage of nitrous oxide by metal–amide complexes. Dalton Trans 2014; 43:4631-4. [DOI: 10.1039/c3dt53062k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The remarkable selective cleavage of nitrous oxide by metal–amide systems, involving a bimetallic mechanism, has been investigated using computational methodology and rationalized on the basis of the interplay of structural and bonding factors.
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Affiliation(s)
- G. Cavigliasso
- Research School of Chemistry
- Australian National University
- Canberra, Australia
| | - A. Criddle
- Research School of Chemistry
- Australian National University
- Canberra, Australia
| | - H.-S. Kim
- Research School of Chemistry
- Australian National University
- Canberra, Australia
| | - R. Stranger
- Research School of Chemistry
- Australian National University
- Canberra, Australia
| | - B. F. Yates
- School of Chemistry
- University of Tasmania
- Hobart, Australia
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Tskhovrebov AG, Solari E, Scopelliti R, Severin K. Insertion of Zerovalent Nickel into the N–N Bond of N-Heterocyclic-Carbene-Activated N2O. Inorg Chem 2013; 52:11688-90. [DOI: 10.1021/ic401524w] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Alexander G. Tskhovrebov
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Euro Solari
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Kay Severin
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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43
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Palluccio TD, Rybak-Akimova EV, Majumdar S, Cai X, Chui M, Temprado M, Silvia JS, Cozzolino AF, Tofan D, Velian A, Cummins CC, Captain B, Hoff CD. Thermodynamic and Kinetic Study of Cleavage of the N–O Bond of N-Oxides by a Vanadium(III) Complex: Enhanced Oxygen Atom Transfer Reaction Rates for Adducts of Nitrous Oxide and Mesityl Nitrile Oxide. J Am Chem Soc 2013; 135:11357-72. [DOI: 10.1021/ja405395z] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Taryn D. Palluccio
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Elena V. Rybak-Akimova
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Subhojit Majumdar
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables,
Florida 33021, United States
| | - Xiaochen Cai
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables,
Florida 33021, United States
| | - Megan Chui
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables,
Florida 33021, United States
| | - Manuel Temprado
- Department of Physical Chemistry, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33,600, Madrid 28871, Spain
| | - Jared S. Silvia
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts
Avenue, Cambridge, Massachusetts 02139, United States
| | - Anthony F. Cozzolino
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts
Avenue, Cambridge, Massachusetts 02139, United States
| | - Daniel Tofan
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts
Avenue, Cambridge, Massachusetts 02139, United States
| | - Alexandra Velian
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts
Avenue, Cambridge, Massachusetts 02139, United States
| | - Christopher C. Cummins
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts
Avenue, Cambridge, Massachusetts 02139, United States
| | - Burjor Captain
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables,
Florida 33021, United States
| | - Carl D. Hoff
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables,
Florida 33021, United States
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Tskhovrebov AG, Vuichoud B, Solari E, Scopelliti R, Severin K. Adducts of Nitrous Oxide and N-Heterocyclic Carbenes: Syntheses, Structures, and Reactivity. J Am Chem Soc 2013; 135:9486-92. [DOI: 10.1021/ja4030287] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alexander G. Tskhovrebov
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Basile Vuichoud
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Euro Solari
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Kay Severin
- Institut des Sciences et Ingénierie
Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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45
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Nicolas E, Nocton G, Mézailles N. CO Activation by (Diphosphane)platinum(0): Carbonate and Acetone Formation – Experimental and Mechanistic Study. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Emmanuel Nicolas
- Laboratoire Hétéroéléments et Coordination, CNRS, Ecole Polytechnique, 91128 Palaiseau, France, Fax: +33‐1‐69334440, http://www.dcph.polytechnique.fr
| | - Grégory Nocton
- Laboratoire Hétéroéléments et Coordination, CNRS, Ecole Polytechnique, 91128 Palaiseau, France, Fax: +33‐1‐69334440, http://www.dcph.polytechnique.fr
| | - Nicolas Mézailles
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS, Université Paul Sabatier, 31062 Toulouse, France, http://hfa.ups‐tlse.fr/
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46
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Tskhovrebov AG, Solari E, Scopelliti R, Severin K. Activation of Nitrous Oxide by Dinuclear Ruthenium Complexes. Organometallics 2012. [DOI: 10.1021/om300786f] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander G. Tskhovrebov
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL),
CH-1015 Lausanne, Switzerland
| | - Euro Solari
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL),
CH-1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL),
CH-1015 Lausanne, Switzerland
| | - Kay Severin
- Institut
des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL),
CH-1015 Lausanne, Switzerland
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47
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Tskhovrebov AG, Solari E, Wodrich MD, Scopelliti R, Severin K. Sequential N–O and N–N Bond Cleavage of N-Heterocyclic Carbene-Activated Nitrous Oxide with a Vanadium Complex. J Am Chem Soc 2012; 134:1471-3. [DOI: 10.1021/ja210976a] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Alexander G. Tskhovrebov
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne,
Switzerland
| | - Euro Solari
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne,
Switzerland
| | - Matthew D. Wodrich
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne,
Switzerland
| | - Rosario Scopelliti
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne,
Switzerland
| | - Kay Severin
- Institut des Sciences
et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne,
Switzerland
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48
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Theoretical study of spin-orbit coupling and intersystem crossing in the two-state reaction between Nb(NH2)3 and N2O. Sci China Chem 2012. [DOI: 10.1007/s11426-011-4468-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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49
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Hayes CE, Leznoff DB. Paramagnetic metal complexes of diamido donor ligands. Dalton Trans 2012; 41:5743-53. [DOI: 10.1039/c1dt11559f] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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50
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Reeds JP, Yonke BL, Zavalij PY, Sita LR. Carbon Monoxide-Induced N–N Bond Cleavage of Nitrous Oxide That Is Competitive with Oxygen Atom Transfer to Carbon Monoxide As Mediated by a Mo(II)/Mo(IV) Catalytic Cycle. J Am Chem Soc 2011; 133:18602-5. [DOI: 10.1021/ja208669s] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Jonathan P. Reeds
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Brendan L. Yonke
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Peter Y. Zavalij
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Lawrence R. Sita
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
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