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Kozubal J, Heck T, Metz RB. Probing adsorption of methane onto vanadium cluster cations via vibrational spectroscopy. J Chem Phys 2023; 159:174305. [PMID: 37916597 DOI: 10.1063/5.0169118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 10/13/2023] [Indexed: 11/03/2023] Open
Abstract
Photofragment spectroscopy is used to measure the vibrational spectra of V2+(CH4)n (n = 1-4), V3+(CH4)n (n = 1-3), and Vx+(CH4) (x = 4-8) in the C-H stretching region (2550-3100 cm-1). Spectra are measured by monitoring loss of CH4. The experimental spectra are compared to simulations at the B3LYP+D3/6-311++G(3df,3pd) level of theory to identify the geometry of the ions. Multi-reference configuration interaction with Davidson correction (MRCI+Q) calculations are also carried out on V2+ and V3+. The methane binding orientation in V2+(CH4)n (n = 1-4) evolves from η3 to η2 as more methane molecules are added. The IR spectra of metal-methane clusters can give information on the structure of metal clusters that may otherwise be hard to obtain from isolated clusters. For example, the V3+(CH4)n (n = 1-3) experimental spectra show an additional peak as the second and third methane molecules are added to V3+, which indicates that the metal atoms are not equivalent. The Vx+(CH4) show a larger red shift in the symmetric C-H stretch for larger clusters with x = 5-8 than for the small clusters with x = 2, 3, indicating increased covalency in the interaction of larger vanadium clusters with methane.
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Affiliation(s)
- Justine Kozubal
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA
| | - Tristan Heck
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA
| | - Ricardo B Metz
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA
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Fries DV, Klein MP, Straßner A, Huber ME, Luczak M, Wiehn C, Niedner-Schatteburg G. Cryo IR spectroscopy and cryo kinetics of dinitrogen activation and cleavage by small tantalum cluster cations. J Chem Phys 2023; 159:164303. [PMID: 37873960 DOI: 10.1063/5.0157217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 09/18/2023] [Indexed: 10/25/2023] Open
Abstract
We investigate small tantalum clusters Tan+, n = 2-4, for their capability to cleave N2 adsorption spontaneously. We utilize infrared photon dissociation (IR-PD) spectroscopy of isolated and size selected clusters under cryogenic conditions within a buffer gas filled ion trap, and we augment our experiments by quantum chemical simulations (at DFT level). All Tan+ clusters, n = 2-4, seem to cleave N2 efficiently. We confirm and extend a previous study under ambient conditions on Ta2+ cluster [Geng et al., Proc. Natl. Acad. Sci. U. S. A. 115, 11680-11687 (2018)]. Our cryo studies and the concomitant DFT simulations of the tantalum trimer Ta3+ suggest cleavage of the first and activation of the second and third N2 molecule across surmountable barriers and along much-involved multidimensional reaction paths. We unravel the underlying reaction processes and the intermediates involved. The study of the N2 adsorbate complexes of Ta4+ presented here extends our earlier study and previously published spectra from (4,m), m = 1-5 [Fries et al., Phys. Chem. Chem. Phys. 23(19), 11345-11354 (2021)], up to m = 12. We confirm the priory published double activation and nitride formation, succeeded by single side-on N2 coordination. Significant red shifts of IR-PD bands from these side-on coordinated μ2-κN:κN,N N2 ligands correlate with the degree of tilting towards the second coordinating Ta center. All subsequently attaching N2 adsorbates onto Ta4+ coordinate in an end-on fashion, and we find clear evidence for co-existence of end-on coordination isomers. The study of stepwise N2 adsorption revealed adsorption limits m(max) of [Tan(N2)m]+ which increase with n, and kinetic fits revealed significant N2 desorption rates upon higher N2 loads. The enhanced absolute rate constants of the very first adsorbate steps kabs(n,0) of the small Ta3+ and Ta4+ clusters independently suggest dissociative N2 adsorption and likely N2 cleavage into Ta nitrides.
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Affiliation(s)
- Daniela V Fries
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
| | - Matthias P Klein
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
| | - Annika Straßner
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
| | - Maximilian E Huber
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
| | - Maximilian Luczak
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
| | - Christopher Wiehn
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
| | - Gereon Niedner-Schatteburg
- Department of Chemistry and State Research Center OPTIMAS, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, 67663 Kaiserslautern, Germany
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Ruan M, Liu QY, Zhao YX, Wei GP, Zhao XG, Li Q, He SG. Pyrolysis of Mass-Selected (V 2O 5) NO − ( N = 1−6) Clusters in a High-Temperature Linear Ion Trap Reactor. J Chem Phys 2022; 157:114301. [DOI: 10.1063/5.0107437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A high-temperature linear ion trap that can stably run up to 873 K was newly designed and installed into a homemade reflectron time-of-flight mass spectrometer coupled with a laser ablation cluster source and a quadrupole mass filter. The instrument was used to study the pyrolysis behavior of mass-selected (V2O5) NO− ( N = 1−6) cluster anions and the dissociation channels were clarified with atomistic precision. Similar to the dissociation behavior of the heated metal oxide cluster cations reported in literature, the desorption of either atomic oxygen atom or molecular O2 prevailed for the (V2O5) NO− clusters with N = 2−5 at 873 K. However, novel dissociation channels involving fragmentation of (V2O5) NO− to small-sized V xO y− anions concurrent with the release of neutral vanadium oxide species were identified for the clusters with N = 3−6. Significant variations of branching ratios for different dissociation channels were observed as a function of cluster size. The kinetic studies indicate that the dissociation rates of (V2O5) NO− monotonically increased with the increase of cluster size. The internal energies carried by the (V2O5) NO− clusters at 873 K as well as the energetics data for dissociation channels have been theoretically calculated to rationalize the experimental observations. The decomposition behavior of vanadium oxide clusters from this study can provide new insights into the pyrolysis mechanism of metal oxide nanoparticles that are widely used in high temperature catalysis.
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Affiliation(s)
- Man Ruan
- Institute of Chemistry Chinese Academy of Sciences, China
| | - Qing-Yu Liu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, China
| | - Yan-Xia Zhao
- Institute of Chemistry, Chinese Academy of Sciences, China
| | - Gong-Ping Wei
- Institute of Chemistry, Chinese Academy of Sciences, China
| | - Xi-Guan Zhao
- Institute of Chemistry Chinese Academy of Sciences, China
| | - Qian Li
- Institute of Chemistry, Chinese Academy of Sciences, China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry Chinese Academy of Sciences, China
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4
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Straßner A, Wiehn C, Klein MP, Fries DV, Dillinger S, Mohrbach J, Prosenc MH, Armentrout PB, Niedner-Schatteburg G. Cryo spectroscopy of N 2 on cationic iron clusters. J Chem Phys 2021; 155:244305. [PMID: 34972374 DOI: 10.1063/5.0064966] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Infrared photodissociation (IR-PD) spectra of iron cluster dinitrogen adsorbate complexes [Fen(N2)m]+ for n = 8-20 reveal slightly redshifted IR active bands in the region of 2200-2340 cm-1. These bands mostly relate to stretching vibrations of end-on coordinated N2 chromophores, a μ1,end end-on binding motif. Density Functional Theory (DFT) modeling and detailed analysis of n = 13 complexes are consistent with an icosahedral Fe13 + core structure. The first adsorbate shell closure at (n,m) = (13,12)-as recognized by the accompanying paper on the kinetics of N2 uptake by cationic iron clusters-comes with extensive IR-PD band broadening resulting from enhanced couplings among adjacent N2 adsorbates. DFT modeling predicts spin quenching by N2 adsorption as evidenced by the shift of the computed spin minima among possible spin states (spin valleys). The IR-PD spectrum of (17,1) surprisingly reveals an absence of any structure but efficient non-resonant fragmentation, which might indicate some weakly bound (roaming) N2 adsorbate. The multiple and broad bands of (17,m) for all other cases than (17,1) and (17,7) indicate a high degree of variation in N2 binding motifs and couplings. In contrast, the (17,7) spectrum of six sharp bands suggests pairwise equivalent N2 adsorbates. The IR-PD spectra of (18,m) reveal additional features in the 2120-2200 cm-1 region, which we associate with a μ1,side side-on motif. Some additional features in the (18,m) spectra at high N2 loads indicate a μ1,tilt tilted end-on adsorption motif.
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Affiliation(s)
- Annika Straßner
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Christopher Wiehn
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Matthias P Klein
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Daniela V Fries
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Sebastian Dillinger
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Jennifer Mohrbach
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Marc H Prosenc
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - P B Armentrout
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, USA
| | - Gereon Niedner-Schatteburg
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
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5
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Straßner A, Klein MP, Fries DV, Wiehn C, Huber ME, Mohrbach J, Dillinger S, Spelsberg D, Armentrout PB, Niedner-Schatteburg G. Kinetics of stepwise nitrogen adsorption by size-selected iron cluster cations: Evidence for size-dependent nitrogen phobia. J Chem Phys 2021; 155:244306. [PMID: 34972360 DOI: 10.1063/5.0064965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present a study of stepwise cryogenic N2 adsorption on size-selected Fen + (n = 8-20) clusters within a hexapole collision cell held at T = 21-28 K. The stoichiometries of the observed adsorption limits and the kinetic fits of stepwise N2 uptake reveal cluster size-dependent variations that characterize four structural regions. Exploratory density functional theory studies support tentative structural assignment in terms of icosahedral, hexagonal antiprismatic, and closely packed structural motifs. There are three particularly noteworthy cases, Fe13 + with a peculiar metastable adsorption limit, Fe17 + with unprecedented nitrogen phobia (inefficient N2 adsorption), and Fe18 + with an isomeric mixture that undergoes relaxation upon considerable N2 uptake.
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Affiliation(s)
- Annika Straßner
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Matthias P Klein
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Daniela V Fries
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Christopher Wiehn
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Maximilian E Huber
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Jennifer Mohrbach
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Sebastian Dillinger
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Dirk Spelsberg
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - P B Armentrout
- Department of Chemistry, Univerdstsity of Utah, Salt Lake City, Utah 84112, USA
| | - Gereon Niedner-Schatteburg
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
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O'Hair RAJ. ORGANOMETALLIC GAS-PHASE ION CHEMISTRY AND CATALYSIS: INSIGHTS INTO THE USE OF METAL CATALYSTS TO PROMOTE SELECTIVITY IN THE REACTIONS OF CARBOXYLIC ACIDS AND THEIR DERIVATIVES. MASS SPECTROMETRY REVIEWS 2021; 40:782-810. [PMID: 32965774 DOI: 10.1002/mas.21654] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/02/2020] [Accepted: 08/03/2020] [Indexed: 06/11/2023]
Abstract
Carboxylic acids are valuable organic substrates as they are widely available, easy to handle, and exhibit structural and functional variety. While they are used in many standard synthetic protocols, over the past two decades numerous studies have explored new modes of metal-mediated reactivity of carboxylic acids and their derivatives. Mass spectrometry-based studies can provide fundamental mechanistic insights into these new modes of reactivity. Here gas-phase models for the following catalytic transformations of carboxylic acids and their derivatives are reviewed: protodecarboxylation; dehydration; decarbonylation; reaction as coordinated bases in C-H bond activation; remote functionalization and decarboxylative C-C bond coupling. In each case the catalytic problem is defined, insights from gas-phase studies are highlighted, comparisons with condensed-phase systems are made and perspectives are reached. Finally, the potential role for mechanistic studies that integrate both gas- and condensed-phase studies is highlighted by recent studies on the discovery of new catalysts for the selective decomposition of formic acid and the invention of the new extrusion-insertion class of reactions for the synthesis of amides, thioamides, and amidines. © 2020 John Wiley & Sons Ltd. Mass Spec Rev.
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Affiliation(s)
- Richard A J O'Hair
- School of Chemistry, University of Melbourne, Victoria, 3010, Australia
- Bio21 Institute of Molecular Science and Biotechnology, The University of Melbourne, Victoria, 3010, Australia
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Fries DV, Klein MP, Steiner A, Prosenc MH, Niedner-Schatteburg G. Observation and mechanism of cryo N 2 cleavage by a tantalum cluster. Phys Chem Chem Phys 2021; 23:11345-11354. [PMID: 33960990 DOI: 10.1039/d0cp06208a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We explore the cryogenic kinetics of N2 adsorption to Ta4+ and the infrared signatures of [Ta4(N2)m]+ complexes, m = 1-5. This is accomplished by N2 exposure of isolated ions within a cryogenic ion trap. We find stepwise addition of numerous N2 molecules to the Ta4+ cluster. Interestingly, the infrared signatures of the [Ta4(N2)1]+ and [Ta4(N2)2]+ products are special: there are no NN stretching bands. This is consistent with cleavage of the first two adsorbed dinitrogen molecules. DFT calculations reveal intermediates and barriers along reaction paths of N2 cleavage in support of these experimental findings. We indicate the identified multidimensional path of N2 cleavage as an across edge-above surface (AEAS) mechanism: initially end-on coordinated N2 bends towards a neighboring Ta-atom which yields a second intermediate, with a μ2 bonded N2 across an edge of the Ta4+ tetrahedron core. Further rearrangement above a Ta-Ta-Ta surface of the Ta4+ tetrahedron results in a μ3 bonded N2 ligand. This intermediate relaxes swiftly by ultimate NN cleavage unfolding into the final dinitrido motif. Submerged activation barriers below the entrance channel confirm spontaneous cleavage of the first two dinitrogen molecules (-59 and -33 kJ mol-1, respectively), while cleavage of the third N2 ligand is kinetically hindered (+55 kJ mol-1). We recognize that substoichiometric N2 exposure allows for spontaneous activation by Ta4+, while higher N2 exposure causes self-poisoning.
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Affiliation(s)
- Daniela V Fries
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany.
| | - Matthias P Klein
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany.
| | - Annika Steiner
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany.
| | - Marc H Prosenc
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany.
| | - Gereon Niedner-Schatteburg
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany.
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8
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Parrish KA, King M, Ligare MR, Johnson GE, Hernández H. Role of sterics in phosphine-ligated gold clusters. Phys Chem Chem Phys 2019; 21:1689-1699. [DOI: 10.1039/c8cp04961k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study examined the solution-phase exchange reactions of triphenylphosphine (PPh3) ligands on Au8L72+ (L = PPh3) gold clusters with three different tolyl ligands using electrospray ionization mass spectrometry to provide insight into how steric differences in the phosphines influence the extent of ligand exchange and the stability of the resulting mixed-phosphine clusters.
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Affiliation(s)
| | - Mary King
- Department of Chemistry
- University of Texas at Austin
- Austin
- USA
| | - Marshall R. Ligare
- Physical Sciences Division
- Pacific Northwest National Laboratory
- Richland
- USA
| | - Grant E. Johnson
- Physical Sciences Division
- Pacific Northwest National Laboratory
- Richland
- USA
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9
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Johnston MD, Gentry MR, Metz RB. Photofragment Imaging, Spectroscopy, and Theory of MnO . J Phys Chem A 2018; 122:8047-8053. [PMID: 30226771 DOI: 10.1021/acs.jpca.8b07849] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Density functional and ab initio calculations, along with photodissociation spectroscopy and ion imaging of MnO+ from 21,300 to 33,900 cm-1, are used to probe the photodissociation dynamics and bond strength of the manganese oxide cation (MnO+). These studies confirm the theoretical ground state (5Π) and determine the spin-orbit constant ( A' = 14 cm-1) of the dominant optically accessible excited state (5Π) in the region. Photodissociation via this excited 5Π state results in ground state Mn+ (7S) + O (3P) products. At energies above 30,000 cm-1, the Mn+ (5S) + O (3P) channel is energetically accessible and becomes the preferred dissociation pathway. The bond dissociation energy ( D0 = 242 ± 5 kJ/mol) of MnO+ is measured from several images of each photofragmentation channel and compared to theory, resolving a disagreement in previous measurements. MRCI+Q calculations are much more successful in predicting the observed spectrum than TD-DFT or EOM-CCSD calculations.
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Affiliation(s)
- M David Johnston
- Department of Chemistry , University of Massachusetts Amherst , Amherst , Massachusetts 01003 , United States
| | - Matthew R Gentry
- Department of Chemistry , University of Massachusetts Amherst , Amherst , Massachusetts 01003 , United States
| | - Ricardo B Metz
- Department of Chemistry , University of Massachusetts Amherst , Amherst , Massachusetts 01003 , United States
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10
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Cao W, Zhang Y, Nyambo S, Yang DS. Spectroscopy and formation of lanthanum-hydrocarbon radicals formed by C—H and C—C bond activation of 1-pentene and 2-pentene. J Chem Phys 2018; 149:034303. [DOI: 10.1063/1.5022771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Wenjin Cao
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Yuchen Zhang
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Silver Nyambo
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Dong-Sheng Yang
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
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11
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Ray M, Schaugaard RN, Topolski JE, Kafader JO, Raghavachari K, Jarrold CC. Molybdenum Oxide Cluster Anion Reactions with C2H4 and H2O: Cooperativity and Chemifragmentation. J Phys Chem A 2017; 122:41-52. [DOI: 10.1021/acs.jpca.7b10798] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Manisha Ray
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Richard N. Schaugaard
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Josey E. Topolski
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Jared O. Kafader
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Krishnan Raghavachari
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Caroline Chick Jarrold
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
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12
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Dillinger S, Mohrbach J, Niedner-Schatteburg G. Probing cluster surface morphology by cryo spectroscopy of N2 on cationic nickel clusters. J Chem Phys 2017; 147:184305. [DOI: 10.1063/1.4997407] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Sebastian Dillinger
- Fachbereich Chemie and Forschungszentrum OPTIMAS, TU Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Jennifer Mohrbach
- Fachbereich Chemie and Forschungszentrum OPTIMAS, TU Kaiserslautern, 67663 Kaiserslautern, Germany
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13
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Hewage D, Cao W, Kumari S, Silva R, Li TH, Yang DS. Spectroscopy and formation of lanthanum-hydrocarbon radicals formed by C—C bond cleavage and coupling of propene. J Chem Phys 2017. [DOI: 10.1063/1.4982949] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Dilrukshi Hewage
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Wenjin Cao
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Sudesh Kumari
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Ruchira Silva
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Tao Hong Li
- Department of Chemistry, Southwest Forestry University, Kunming 650224, China
| | - Dong-Sheng Yang
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
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14
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Copeland CW, Ashraf MA, Boyle EM, Metz RB. Vibrational Spectroscopy of Fe3+(CH4)n (n = 1–3) and Fe4+(CH4)4. J Phys Chem A 2017; 121:2132-2137. [DOI: 10.1021/acs.jpca.6b13074] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Christopher W. Copeland
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003 United States
| | - Muhammad Affawn Ashraf
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003 United States
| | - Emily M. Boyle
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003 United States
| | - Ricardo B. Metz
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003 United States
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15
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Kumari S, Cao W, Hewage D, Silva R, Yang DS. Mass-analyzed threshold ionization spectroscopy of lanthanum-hydrocarbon radicals formed by C—H bond activation of propene. J Chem Phys 2017; 146:074305. [DOI: 10.1063/1.4976316] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Sudesh Kumari
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Wenjin Cao
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Dilrukshi Hewage
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Ruchira Silva
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
| | - Dong-Sheng Yang
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA
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16
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Hewage D, Cao W, Kim JH, Wang Y, Liu Y, Yang DS. Spectroscopic Characterization of Nonconcerted [4 + 2] Cycloaddition of 1,3-Butadiene with Lanthanacyclopropene To Form Lanthanum–Benzene in the Gas Phase. J Phys Chem A 2017; 121:1233-1239. [DOI: 10.1021/acs.jpca.6b12239] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dilrukshi Hewage
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
| | - Wenjin Cao
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
| | - Jong Hyun Kim
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
| | - Ya Wang
- MIIT
Key Laboratory of Critical Materials Technology for New Energy Conversion
and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Yang Liu
- MIIT
Key Laboratory of Critical Materials Technology for New Energy Conversion
and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Dong-Sheng Yang
- Department
of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
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17
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Cooperative Effects in Clusters and Oligonuclear Complexes of Transition Metals in Isolation. STRUCTURE AND BONDING 2016. [DOI: 10.1007/430_2016_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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18
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Chakrabarty S, Williams ER. The effect of halide and iodate anions on the hydrogen-bonding network of water in aqueous nanodrops. Phys Chem Chem Phys 2016; 18:25483-25490. [DOI: 10.1039/c6cp05033f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The hydration of halide and iodate anions was investigated using electrospray ionization (ESI) mass spectrometry and infrared photodissociation (IRPD) spectroscopy.
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19
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Ashraf MA, Copeland CW, Kocak A, McEnroe AR, Metz RB. Vibrational spectroscopy and theory of Fe2+(CH4)n (n = 1–3). Phys Chem Chem Phys 2015; 17:25700-4. [DOI: 10.1039/c5cp01757b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Vibrational spectroscopy of size selected clusters reveals the extent to which interactions with Fe2+ weaken proximate C–H bonds in methane ligands.
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Affiliation(s)
| | | | - Abdulkadir Kocak
- Department of Chemistry
- University of Massachusetts Amherst
- Amherst
- USA
| | | | - Ricardo B. Metz
- Department of Chemistry
- University of Massachusetts Amherst
- Amherst
- USA
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20
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McNary CP, Armentrout PB. Iron cluster–CO bond energies from the kinetic energy dependence of the Fen+(n = 4–17) + CO association reactions. Phys Chem Chem Phys 2014; 16:26467-77. [DOI: 10.1039/c4cp02040e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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