1
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Wang X, Krause P, Kirschbaum T, Palczynski K, Dzubiella J, Bande A. Photo-excited charge transfer from adamantane to electronic bound states in water. Phys Chem Chem Phys 2024; 26:8158-8176. [PMID: 38380443 DOI: 10.1039/d3cp04602h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Aqueous nanodiamonds illuminated by UV light produce free solvated electrons, which may drive high-energy reduction reactions in water. However, the influence of water conformations on the excited-state electron-transfer mechanism are still under debate. In this work, we offer a theoretical study of charge-transfer states in adamantane-water structures obtained by linear-response time-dependent density-functional theory. Small water clusters with broken hydrogen bonds are found to efficiently bind the electron from adamantane. A distinction is made with respect to the nature of the water clusters: some bind the electron in a water cavity, others along a strong permanent total dipole. These two types of bound states are more strongly binding, the higher their electron affinity and their positive electrostatic potential, the latter being dominated by the energy of the lowest unoccupied molecular orbital of the isolated water clusters. Structural sampling in a thermal equilibrium at room temperature via molecular dynamics snapshots confirms under which conditions the underlying waters clusters can occur and verifies that broken hydrogen bonds in the water network close to adamantane can create traps for the solvated electron.
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Affiliation(s)
- Xiangfei Wang
- Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany.
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Pascal Krause
- Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany.
| | - Thorren Kirschbaum
- Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany.
- Institute of Mathematics, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
| | - Karol Palczynski
- Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany.
| | - Joachim Dzubiella
- Applied Theoretical Physics - Computational Physics, Albert-Ludwigs-Universität Freiburg, Hermann-Herder Straße 3, 79104 Freiburg, Germany.
| | - Annika Bande
- Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany.
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167 Hannover, Germany
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2
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Zho CC, Vlček V, Neuhauser D, Schwartz BJ. Thermal Equilibration Controls H-Bonding and the Vertical Detachment Energy of Water Cluster Anions. J Phys Chem Lett 2018; 9:5173-5178. [PMID: 30129761 DOI: 10.1021/acs.jpclett.8b02152] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
One of the outstanding puzzles in the photoelectron spectroscopy of water anion clusters, which serve as precursors to the hydrated electron, is that the excess electron has multiple vertical detachment energies (VDEs), with different groups seeing different distributions of VDEs. We have studied the photoelectron spectroscopy of water cluster anions using simulation techniques designed to mimic the different ways that water cluster anions are produced experimentally. Our simulations take advantage of density functional theory-based Born-Oppenheimer molecular dynamics with an optimally tuned range-separated hybrid functional that is shown to give outstanding accuracy for calculating electron binding energies for this system. We find that our simulations are able to accurately reproduce the experimentally observed VDEs for cluster anions of different sizes, with different VDE distributions observed depending on how the water cluster anions are prepared. For cluster anion sizes up to 20 water molecules, we see that the excess electron always resides on the surface of the cluster and that the different discrete VDEs result from the discrete number of hydrogen bonds made to the electron by water molecules on the surface. Clusters that are less thermally equilibrated have surface waters that tend to make single H-bonds to the electron, resulting in lower VDEs, while clusters that are more thermally equilibrated have surface waters that prefer to make two H-bonds to the electron, resulting in higher VDEs.
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Affiliation(s)
- Chen-Chen Zho
- Department of Chemistry and Biochemistry , University of California, Los Angeles , Los Angeles , California 90095-1569 , United States
| | - Vojtěch Vlček
- Department of Chemistry and Biochemistry , University of California, Santa Barbara , Santa Barbara , California 93106 , United States
| | - Daniel Neuhauser
- Department of Chemistry and Biochemistry , University of California, Los Angeles , Los Angeles , California 90095-1569 , United States
| | - Benjamin J Schwartz
- Department of Chemistry and Biochemistry , University of California, Los Angeles , Los Angeles , California 90095-1569 , United States
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3
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Korchagina K, Simon A, Rapacioli M, Spiegelman F, L’Hermite JM, Braud I, Zamith S, Cuny J. Theoretical investigation of the solid–liquid phase transition in protonated water clusters. Phys Chem Chem Phys 2017; 19:27288-27298. [DOI: 10.1039/c7cp04863g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molecular dynamics simulations provide an atomistic scale description of the phase transition in protonated water clusters (H2O)nH+(n= 20–23) and an interpretation to recent nano-calorimetric experiments.
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Affiliation(s)
- Kseniia Korchagina
- Laboratoire de Chimie et Physique Quantiques (LCPQ/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Aude Simon
- Laboratoire de Chimie et Physique Quantiques (LCPQ/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Mathias Rapacioli
- Laboratoire de Chimie et Physique Quantiques (LCPQ/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Fernand Spiegelman
- Laboratoire de Chimie et Physique Quantiques (LCPQ/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Jean-Marc L’Hermite
- Laboratoire Collisions Agrégats Réactivité (LCAR/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Isabelle Braud
- Laboratoire Collisions Agrégats Réactivité (LCAR/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Sébastien Zamith
- Laboratoire Collisions Agrégats Réactivité (LCAR/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
| | - Jérôme Cuny
- Laboratoire de Chimie et Physique Quantiques (LCPQ/IRSAMC)
- Université de Toulouse and CNRS
- F-31062 Toulouse
- France
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4
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Masson A, Williams ER, Rizzo TR. Molecular hydrogen messengers can lead to structural infidelity: A cautionary tale of protonated glycine. J Chem Phys 2015; 143:104313. [DOI: 10.1063/1.4930196] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Antoine Masson
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland
| | - Evan R. Williams
- Department of Chemistry, University of California, Berkeley, California 94720-1460, USA
| | - Thomas R. Rizzo
- Laboratoire de Chimie Physique Moléculaire, École Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCPM, Station 6, CH-1015 Lausanne, Switzerland
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5
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Gong ZY, Duan S, Tian G, Jiang J, Xu X, Luo Y. Infrared spectra of small anionic water clusters from density functional theory and wavefunction theory calculations. Phys Chem Chem Phys 2015; 17:12698-707. [PMID: 25903989 DOI: 10.1039/c5cp01378j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We performed systematic theoretical studies on small anionic water/deuterated water clusters W/D(-)(N=2-6) at both density functional theory (B3LYP) and wavefunction theory (MP2) levels. The focus of the study is to examine the convergence of calculated infrared (IR) spectra with respect to the increasing number of diffuse functions. It is found that at the MP2 level for larger clusters (n = 4-6), only one extra diffuse function is needed to obtain the converged relative IR intensities, while two or three more sets of extra diffuse functions are needed for smaller clusters. Such behaviour is strongly associated with the convergence of the electronic structure of corresponding clusters at the MP2 level. It is striking to observe that at the B3LYP level, the calculated relative IR intensities for all the clusters under investigations are diverse and show no trend of convergence upon increasing the number of diffuse functions. Moreover, the increasing contribution from the extra diffuse functions to the dynamic IR dipole moment indicates that the B3LYP electronic structure also fails to converge. These results manifest that MP2 is a preferential theoretical method, as compared to the widely used B3LYP, for the IR intensity of dipole bounded electron systems.
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Affiliation(s)
- Zu-Yong Gong
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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6
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Shin BK, Choi TH. Investigation of potential energy landscapes of (H2O)7− and (H2O)8− clusters. Chem Phys Lett 2015. [DOI: 10.1016/j.cplett.2015.02.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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7
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Iglev H, Kolev SK, Rossmadl H, St Petkov P, Vayssilov GN. Hydrogen Atom Transfer from Water or Alcohols Activated by Presolvated Electrons. J Phys Chem Lett 2015; 6:986-992. [PMID: 26262857 DOI: 10.1021/acs.jpclett.5b00288] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
High-energy irradiation of protic solvents can transiently introduce excess electrons that are implicated in a diverse range of reductive processes. Here we report the evolution of electron solvation in water and in alcohols following photodetachment from aqueous hydroxide or the corresponding alkoxides studied by two- and three-pulse femtosecond spectroscopy and ab initio molecular dynamic simulations. The experiments reveal an ultrafast recombination channel of the excess electrons. Through the calculations this channel emerges as an H-atom transfer process to the hydroxyl or alkoxy radical species from neighboring solvent molecules, which are activated as the presolvated electron occupies their antibonding orbitals. The initially low activation barrier in the early stages of electron solvation was found to increase (from 12 to 44 kJ/mol in water) as full solvation proceeded.
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Affiliation(s)
- Hristo Iglev
- †Physik-Department, Technische Universität München, James-Franck-Strasse, D-85748 Garching, Germany
| | - Stefan K Kolev
- ‡Faculty of Chemistry and Pharmacy, University of Sofia, Blvd. J. Bauchier 1, 1126 Sofia, Bulgaria
| | - Hubert Rossmadl
- †Physik-Department, Technische Universität München, James-Franck-Strasse, D-85748 Garching, Germany
| | - Petko St Petkov
- ‡Faculty of Chemistry and Pharmacy, University of Sofia, Blvd. J. Bauchier 1, 1126 Sofia, Bulgaria
- ∥Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Georgi N Vayssilov
- ‡Faculty of Chemistry and Pharmacy, University of Sofia, Blvd. J. Bauchier 1, 1126 Sofia, Bulgaria
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8
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Nakanishi R, Nagata T. Incorporation of ROH (R = CH 3, C 2H 5, 2-C 3H 7) into (H 2O) 6–: Substituent Effect on the Growth Process of the Hydrogen-Bond Network. J Phys Chem A 2014; 118:7360-6. [DOI: 10.1021/jp4121589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ryuzo Nakanishi
- Department
of Basic Science,
Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Takashi Nagata
- Department
of Basic Science,
Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
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9
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Sheu WS, Chiou MF. Effects of Iodine on the Relaxation Dynamics of a Photoexcited I–(H2O)4 Cluster. J Phys Chem A 2013; 117:13946-53. [DOI: 10.1021/jp406108r] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wen-Shyan Sheu
- Department
of Chemistry, Fu-Jen Catholic University, Xinzhuang, New Taipei City 24205, Taiwan, ROC
| | - Mong-Feng Chiou
- Department
of Chemistry, Fu-Jen Catholic University, Xinzhuang, New Taipei City 24205, Taiwan, ROC
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10
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Yacovitch TI, Heine N, Brieger C, Wende T, Hock C, Neumark DM, Asmis KR. Vibrational spectroscopy of bisulfate/sulfuric acid/water clusters: structure, stability, and infrared multiple-photon dissociation intensities. J Phys Chem A 2013; 117:7081-90. [PMID: 23713566 DOI: 10.1021/jp400154v] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The structure and stability of mass-selected bisulfate, sulfuric acid, and water cluster anions, HSO4(-)(H2SO4)m(H2O)n, are studied by infrared photodissociation spectroscopy aided by electronic structure calculations. The triply hydrogen-bound HSO4(-)(H2SO4) configuration appears as a recurring motif in the bare clusters, while incorporation of water disrupts this stable motif for clusters with m > 1. Infrared-active vibrations predominantly involving distortions of the hydrogen-bound network are notably missing from the infrared multiple-photon dissociation (IRMPD) spectra of these ions but are fully recovered by messenger-tagging the clusters with H2. A simple model is used to explain the observed "IRMPD transparency".
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Affiliation(s)
- Tara I Yacovitch
- Department of Chemistry, University of California, Berkeley, California 94720, USA
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11
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Chiou MF, Sheu WS. Exploring water binding motifs to an excess electron via X2(-)(H2O) [X = O, F]. J Phys Chem A 2012; 116:7694-702. [PMID: 22762788 DOI: 10.1021/jp3030232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
X(2)(-)(H(2)O) [X = O, F] is utilized to explore water binding motifs to an excess electron via ab initio calculations at the MP4(SDQ)/aug-cc-pVDZ + diffs(2s2p,2s2p) level of theory. X(2)(-)(H(2)O) can be regarded as a water molecule that binds to an excess electron, the distribution of which is gauged by X(2). By varying the interatomic distance of X(2), r(X1-X2), the distribution of the excess electron is altered, and the water binding motifs to the excess electron is then examined. Depending on r(X1-X2), both binding motifs of C(s) and C(2v) forms are found with a critical distance of ∼1.37 Å and ∼1.71 Å for O(2)(-)(H(2)O) and F(2)(-)(H(2)O), respectively. The energetic and geometrical features of O(2)(-)(H(2)O) and F(2)(-)(H(2)O) are compared. In addition, various electronic properties of X(2)(-)(H(2)O) are examined. For both O(2)(-)(H(2)O) and F(2)(-)(H(2)O), the C(s) binding motif appears to prevail at a compact distribution of the excess electron. However, when the electron is diffuse, characterized by the radius of gyration in the direction of the X(2) bond axis with a threshold of ∼0.84 Å, the C(2v) binding motif is formed.
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Affiliation(s)
- Mong-Feng Chiou
- Department of Chemistry, Fu-Jen Catholic University, Xinzhuang, New Taipei City 24205, Taiwan, Republic of China
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12
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Yacovitch TI, Heine N, Brieger C, Wende T, Hock C, Neumark DM, Asmis KR. Communication: Vibrational spectroscopy of atmospherically relevant acid cluster anions: Bisulfate versus nitrate core structures. J Chem Phys 2012; 136:241102. [DOI: 10.1063/1.4732148] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Tara I. Yacovitch
- Department of Chemistry, University of California, Berkeley, California 94720, USA
| | - Nadja Heine
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Claudia Brieger
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Torsten Wende
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Christian Hock
- Department of Chemistry, University of California, Berkeley, California 94720, USA
| | - Daniel M. Neumark
- Department of Chemistry, University of California, Berkeley, California 94720, USA
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Knut R. Asmis
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
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13
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Zhang H, Liu ZF. The identification of a solvated electron pair in the gaseous clusters of Na(-)(H2O)n and Li(-)(H2O)n. J Chem Phys 2012; 135:064309. [PMID: 21842935 DOI: 10.1063/1.3622562] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
By first principles calculations, we explore the possibility that Na(-)(H(2)O)(n) and Li(-)(H(2)O)(n) clusters, which have been measured previously by photoelectron experiments, could serve as gas-phase molecular models for the solvation of two electrons. Such models would capture the electron-electron interaction in a solution environment, which is missed in the well-known anionic water clusters (H(2)O)(n) (-). Our results show that by n = 10, the two loosely bound s electrons in Li(-)(H(2)O)(n) are indeed detached from lithium, and they could exist in either the singlet (spin-paring) or the triplet (spin-coupling) state. In contrast, the two electrons would prefer to stay on the sodium atom in Na(-)(H(2)O)(n) and on the surface of the cluster. The formation of a solvated electron pair and the variation in solvation structures make these two cluster series interesting subjects for further experimental investigation.
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Affiliation(s)
- Han Zhang
- Department of Chemistry and Centre for Scientific Modeling and Computation, Chinese University of Hong Kong, Shatin, Hong Kong, China
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14
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Choi TH, Sommerfeld T, Yilmaz SL, Jordan KD. Discrete Variable Representation Implementation of the One-Electron Polarization Model. J Chem Theory Comput 2010; 6:2388-94. [DOI: 10.1021/ct100263r] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Tae Hoon Choi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, Southeastern Louisiana University, Hammond, Louisiana 70402, and Center for Simulation and Modeling, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Thomas Sommerfeld
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, Southeastern Louisiana University, Hammond, Louisiana 70402, and Center for Simulation and Modeling, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - S Levent Yilmaz
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, Southeastern Louisiana University, Hammond, Louisiana 70402, and Center for Simulation and Modeling, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Kenneth D Jordan
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, Southeastern Louisiana University, Hammond, Louisiana 70402, and Center for Simulation and Modeling, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
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15
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Madarász Á, Rossky PJ, Turi L. Response of Observables for Cold Anionic Water Clusters to Cluster Thermal History. J Phys Chem A 2010; 114:2331-7. [DOI: 10.1021/jp908876f] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Ádám Madarász
- Eötvös Loránd University, Department of Physical Chemistry, Budapest 112, P.O. Box 32, H-1518 Hungary, and Department of Chemistry and Biochemistry and Institute for Computational Engineering and Sciences, 1 University Station A5300, University of Texas at Austin, Austin, Texas 78712-1167
| | - Peter J. Rossky
- Eötvös Loránd University, Department of Physical Chemistry, Budapest 112, P.O. Box 32, H-1518 Hungary, and Department of Chemistry and Biochemistry and Institute for Computational Engineering and Sciences, 1 University Station A5300, University of Texas at Austin, Austin, Texas 78712-1167
| | - László Turi
- Eötvös Loránd University, Department of Physical Chemistry, Budapest 112, P.O. Box 32, H-1518 Hungary, and Department of Chemistry and Biochemistry and Institute for Computational Engineering and Sciences, 1 University Station A5300, University of Texas at Austin, Austin, Texas 78712-1167
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16
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Relph RA, Bopp JC, Roscioli JR, Johnson MA. Structural characterization of (C2H2)1–6+ cluster ions by vibrational predissociation spectroscopy. J Chem Phys 2009; 131:114305. [DOI: 10.1063/1.3212595] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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17
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Carignano MA, Mohammad A, Kais S. Temperature Dependent Electron Binding in (H2O)8. J Phys Chem A 2009; 113:10886-90. [PMID: 19722598 DOI: 10.1021/jp901047y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
| | - Anis Mohammad
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907
| | - Sabre Kais
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907
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18
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Nakanishi R, Nagata T. Formation and photodestruction of dual dipole-bound anion (H2O)6{e−}CH3NO2. J Chem Phys 2009; 130:224309. [DOI: 10.1063/1.3152636] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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19
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20
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Elliott BM, Relph RA, Roscioli JR, Bopp JC, Gardenier GH, Guasco TL, Johnson MA. Isolating the spectra of cluster ion isomers using Ar-"tag" -mediated IR-IR double resonance within the vibrational manifolds: Application to NO2- *H2O. J Chem Phys 2009; 129:094303. [PMID: 19044866 DOI: 10.1063/1.2966002] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
We demonstrate a method for isolating the vibrational predissociation spectra of different structural isomers of mass-selected cluster ions based on a population-labeling double resonance scheme. This involves a variation on the "ion dip" approach and is carried out with three stages of mass selection in order to separate the fragment ion signals arising from a fixed-frequency population-monitoring laser and those generated by a scanned laser that removes population of species resonant in the course of the scan. We demonstrate the method on the Ar-tagged NO(2) (-)H(2)O cluster, where we identify the spectral patterns arising from two isomers. One of these structures features accommodation of the water molecule in a double H-bond arrangement, while in the other, H(2)O attaches in a single ionic H-bond motif where the nominally free OH group is oriented toward the N atom of NO(2) (-). Transitions derived from both the NO(2) (-) and H(2)O constituents are observed for both isomers, allowing us to gauge the distortions suffered by both the ion and solvent molecules in the different hydration arrangements.
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Affiliation(s)
- Ben M Elliott
- Sterling Chemistry Laboratory, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, USA
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21
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Photoelectron imaging study of vibrationally mediated electron autodetachment in the type I isomer of the water hexamer anion. Chem Phys Lett 2008. [DOI: 10.1016/j.cplett.2008.11.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Sommerfeld T, DeFusco A, Jordan KD. Model Potential Approaches for Describing the Interaction of Excess Electrons with Water Clusters: Incorporation of Long-Range Correlation Effects. J Phys Chem A 2008; 112:11021-35. [DOI: 10.1021/jp806077h] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Thomas Sommerfeld
- Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana 70402, and Department of Chemistry and Center for Molecular and Materials Simulations, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Albert DeFusco
- Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana 70402, and Department of Chemistry and Center for Molecular and Materials Simulations, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Kenneth D. Jordan
- Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana 70402, and Department of Chemistry and Center for Molecular and Materials Simulations, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
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23
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Analytical gradient for geometry optimizations of (H2O)n- clusters as described by the PM1 polarizable model. Chem Phys Lett 2008. [DOI: 10.1016/j.cplett.2008.09.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Zappa F, Denifl S, Mähr I, Bacher A, Echt O, Märk TD, Scheier P. Ultracold water cluster anions. J Am Chem Soc 2008; 130:5573-8. [PMID: 18373342 DOI: 10.1021/ja075421w] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Attachment of free electrons to water clusters embedded in helium droplets leads to water-cluster anions (H2O)n(-) and (D2O)n(-) of size n > or = 2. Small water-cluster anions bind to up to 10 helium atoms, providing compelling evidence for the low temperature of these complexes, but the most abundant species are bare cluster anions. In contrast to previous experiments on bare water clusters, which showed very pronounced magic and anti-magic anion sizes below n = 12, the presently observed size distributions vary much more smoothly, and all sizes are easily observed. Noticeable differences are also observed in the stoichiometry of fragment anions formed upon dissociative electron attachment and the energy dependence of their yield. Spectroscopic characterization of these ultracold water-cluster anions promises to unravel the relevance of metastable configurations in experiments and the nature of the still controversial bonding sites for the excess electron in small water-cluster anions.
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Affiliation(s)
- Fabio Zappa
- Institut für Ionenphysik und Angewandte Physik, Leopold Franzens Universität, Technikerstrasse 25, A-6020 Innsbruck, Austria
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Roscioli JR, Hammer NI, Johnson MA, Diri K, Jordan KD. Exploring the correlation between network structure and electron binding energy in the (H2O)7− cluster through isomer-photoselected vibrational predissociation spectroscopy and ab initio calculations: Addressing complexity beyond types I-III. J Chem Phys 2008; 128:104314. [DOI: 10.1063/1.2827475] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Wu DY, Duan S, Liu XM, Xu YC, Jiang YX, Ren B, Xu X, Lin SH, Tian ZQ. Theoretical study of binding interactions and vibrational Raman spectra of water in hydrogen-bonded anionic complexes: (H2O)n- (n = 2 and 3), H2O...X- (X = F, Cl, Br, and I), and H2O...M- (M = Cu, Ag, and Au). J Phys Chem A 2008; 112:1313-21. [PMID: 18215023 DOI: 10.1021/jp0722105] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Binding interactions and Raman spectra of water in hydrogen-bonded anionic complexes have been studied by using the hybrid density functional theory method (B3LYP) and ab initio (MP2) method. In order to explore the influence of hydrogen bond interactions and the anionic effect on the Raman intensities of water, model complexes, such as the negatively charged water clusters ((H2O)n-, n = 2 and 3), the water...halide anions (H2O...X-, X = F, Cl, Br, and I), and the water-metal atom anionic complexes (H2O...M-, M = Cu, Ag, and Au), have been employed in the present calculations. These model complexes contained different types of hydrogen bonds, such as O-H...X-, O-H...M-, O-H...O, and O-H...e-. In particular, the last one is a dipole-bound electron involved in the anionic water clusters. Our results showed that there exists a large enhancement in the off-resonance Raman intensities of both the H-O-H bending mode and the hydrogen-bonded O-H stretching mode, and the enhancement factor is more significant for the former than for the latter. The reasons for these spectral properties can be attributed to the strong polarization effect of the proton acceptors (X-, M-, O, and e-) in these hydrogen-bonded complexes. We proposed that the strong Raman signal of the H-O-H bending mode may be used as a fingerprint to address the local microstructures of water molecules in the chemical and biological systems.
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Affiliation(s)
- De-Yin Wu
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, People Republic of China.
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Asmis KR, Santambrogio G, Zhou J, Garand E, Headrick J, Goebbert D, Johnson MA, Neumark DM. Vibrational spectroscopy of hydrated electron clusters(H2O)15–50− via infrared multiple photon dissociation. J Chem Phys 2007; 126:191105. [PMID: 17523785 DOI: 10.1063/1.2741508] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Infrared multiple photon dissociation spectra for size-selected water cluster anions (H2O)(n)(-), n=15-50, are presented covering the frequency range of 560-1820 cm(-1). The cluster ions are trapped and cooled by collisions with ambient He gas at 20 K, with the goal of defining the cluster temperature better than in previous investigations of these species. Signal is seen in two frequency regions centered around 700 and 1500-1650 cm(-1), corresponding to water librational and bending motions, respectively. The bending feature associated with a double-acceptor water molecule binding to the excess electron is clearly seen up to n=35, but above n=25; this feature begins to blueshift and broadens, suggesting a more delocalized electron binding motif for the larger clusters in which the excess electron interacts with multiple water molecules.
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Affiliation(s)
- Knut R Asmis
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany.
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