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Kuraoka T, Goto S, Kanno M, Díaz-Tendero S, Reino-González J, Trinter F, Pier A, Sommerlad L, Melzer N, McGinnis OD, Kruse J, Wenzel T, Jahnke T, Xue H, Kishimoto N, Yoshikawa K, Tamura Y, Ota F, Hatada K, Ueda K, Martín F. Tracing Photoinduced Hydrogen Migration in Alcohol Dications from Time-Resolved Molecular-Frame Photoelectron Angular Distributions. J Phys Chem A 2024; 128:1241-1249. [PMID: 38324399 PMCID: PMC10895665 DOI: 10.1021/acs.jpca.3c07640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 02/09/2024]
Abstract
The recent implementation of attosecond and few-femtosecond X-ray pump/X-ray probe schemes in large-scale free-electron laser facilities has opened the way to visualize fast nuclear dynamics in molecules with unprecedented temporal and spatial resolution. Here, we present the results of theoretical calculations showing how polarization-averaged molecular-frame photoelectron angular distributions (PA-MFPADs) can be used to visualize the dynamics of hydrogen migration in methanol, ethanol, propanol, and isopropyl alcohol dications generated by X-ray irradiation of the corresponding neutral species. We show that changes in the PA-MFPADs with the pump-probe delay as a result of intramolecular photoelectron diffraction carry information on the dynamics of hydrogen migration in real space. Although visualization of this dynamics is more straightforward in the smaller systems, methanol and ethanol, one can still recognize the signature of that motion in propanol and isopropyl alcohol and assign a tentative path to it. A possible pathway for a corresponding experiment requires an angularly resolved detection of photoelectrons in coincidence with molecular fragment ions used to define a molecular frame of reference. Such studies have become, in principle, possible since the first XFELs with sufficiently high repetition rates have emerged. To further support our findings, we provide experimental evidence of H migration in ethanol-OD from ion-ion coincidence measurements performed with synchrotron radiation.
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Affiliation(s)
- T. Kuraoka
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - S. Goto
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - M. Kanno
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - S. Díaz-Tendero
- Departamento
de Química, Universidad Autónoma
de Madrid, Madrid 28049, Spain
- Condensed
Matter Physics Center (IFIMAC), Universidad
Autónoma de Madrid, Madrid 28049, Spain
- Institute
for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - J. Reino-González
- Instituto
Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nano), Campus de Cantoblanco, Madrid 28049, Spain
| | - F. Trinter
- Molecular
Physics, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, Berlin 14195, Germany
| | - A. Pier
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - L. Sommerlad
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - N. Melzer
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - O. D. McGinnis
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - J. Kruse
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - T. Wenzel
- Institut
für Kernphysik, Goethe-Universität
Frankfurt, Max-von-Laue-Straβe 1, Frankfurt am
Main 60438, Germany
| | - T. Jahnke
- Max-Planck-Institut
für Kernphysik, Saupfercheckweg 1, Heidelberg 69117, Germany
- European
XFEL, Holzkoppel
4, Schenefeld 22869, Germany
| | - H. Xue
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - N. Kishimoto
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - K. Yoshikawa
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - Y. Tamura
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - F. Ota
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - K. Hatada
- Department
of Physics, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan
| | - K. Ueda
- Department
of Chemistry, Tohoku University, 6-3 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - F. Martín
- Departamento
de Química, Universidad Autónoma
de Madrid, Madrid 28049, Spain
- Instituto
Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nano), Campus de Cantoblanco, Madrid 28049, Spain
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A Competition between Relative Stability and Binding Energy in Caffeine Phenyl-Glucose Aggregates: Implications in Biological Mechanisms. Int J Mol Sci 2023; 24:ijms24054390. [PMID: 36901823 PMCID: PMC10002916 DOI: 10.3390/ijms24054390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/16/2023] [Accepted: 02/19/2023] [Indexed: 02/25/2023] Open
Abstract
Hydrogen bonds and stacking interactions are pivotal in biological mechanisms, although their proper characterisation within a molecular complex remains a difficult task. We used quantum mechanical calculations to characterise the complex between caffeine and phenyl-β-D-glucopyranoside, in which several functional groups of the sugar derivative compete with each other to attract caffeine. Calculations at different levels of theory (M06-2X/6-311++G(d,p) and B3LYP-ED=GD3BJ/def2TZVP) agree to predict several structures similar in stability (relative energy) but with different affinity (binding energy). These computational results were experimentally verified by laser infrared spectroscopy, through which the caffeine·phenyl-β-D-glucopyranoside complex was identified in an isolated environment, produced under supersonic expansion conditions. The experimental observations correlate with the computational results. Caffeine shows intermolecular interaction preferences that combine both hydrogen bonding and stacking interactions. This dual behaviour had already been observed with phenol, and now with phenyl-β-D-glucopyranoside, it is confirmed and maximised. In fact, the size of the complex's counterparts affects the maximisation of the intermolecular bond strength because of the conformational adaptability given by the stacking interaction. Comparison with the binding of caffeine within the orthosteric site of the A2A adenosine receptor shows that the more strongly bound caffeine·phenyl-β-D-glucopyranoside conformer mimics the interactions occurring within the receptor.
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Camiruaga A, Saragi RT, Torres-Hernández F, Juanes M, Usabiaga I, Lesarri A, Fernández JA. The evolution towards cyclic structures in the aggregation of aromatic alcohols: the dimer, trimer and tetramer of 2-phenylethanol. Phys Chem Chem Phys 2022; 24:24800-24809. [PMID: 36214363 DOI: 10.1039/d2cp03485a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Gas-phase spectroscopic studies of alcohol clusters offer accurate information on the influence of non-covalent interactions on molecular recognition, and are of paramount importance to model supramolecular and biological chemical processes. Here, we examine the role of the aliphatic side chain in the self-aggregation of aromatic alcohols, using a multi-methodological gas-phase approach which combines microwave spectroscopy and mass-resolved electronic and vibrational laser spectroscopy. Spectroscopic and electronic structure computations were carried out for the dimer, trimer and tetramer of 2-phenylethanol, extending previous investigations on smaller aromatic alcohols. While the conformational flexibility of the ethyl group anticipates a variety of torsional isomers, the intra- and inter-molecular interactions restrict molecular conformations and favour particularly stable isomers. The conformational landscape of the clusters is very shallow and multiple competing isomers were rotationally and/or vibrationally detected, including three dimer species, two trimers and two tetramers. Cluster growth is associated with a tendency to form cyclic hydrogen bond structures.
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Affiliation(s)
- Ander Camiruaga
- Dep. of Physical Chemistry, Fac. of Science and Technology, University of the Basque Country (UPV/EHU), Bo̲ Sarriena S/N, Leioa, 48940, Spain.
| | - Rizalina Tama Saragi
- Dep. of Physical Chemistry and Inorganic Chemistry, Fac. of Sciences - I.U. CINQUIMA, University of Valladolid, Paseo de Belén, 7, 47011, Valladolid, Spain
| | - Fernando Torres-Hernández
- Dep. of Physical Chemistry, Fac. of Science and Technology, University of the Basque Country (UPV/EHU), Bo̲ Sarriena S/N, Leioa, 48940, Spain.
| | - Marcos Juanes
- Dep. of Physical Chemistry and Inorganic Chemistry, Fac. of Sciences - I.U. CINQUIMA, University of Valladolid, Paseo de Belén, 7, 47011, Valladolid, Spain
| | - Imanol Usabiaga
- Dep. of Physical Chemistry, Fac. of Science and Technology, University of the Basque Country (UPV/EHU), Bo̲ Sarriena S/N, Leioa, 48940, Spain.
| | - Alberto Lesarri
- Dep. of Physical Chemistry and Inorganic Chemistry, Fac. of Sciences - I.U. CINQUIMA, University of Valladolid, Paseo de Belén, 7, 47011, Valladolid, Spain
| | - José A Fernández
- Dep. of Physical Chemistry, Fac. of Science and Technology, University of the Basque Country (UPV/EHU), Bo̲ Sarriena S/N, Leioa, 48940, Spain.
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León I, Montero R, Longarte A, Fernández JA. Revisiting the Spectroscopy of Water Dimer in Jets. J Phys Chem Lett 2021; 12:1316-1320. [PMID: 33535759 PMCID: PMC9157493 DOI: 10.1021/acs.jpclett.0c03001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
Laser spectroscopy in jets is one of the main sources of structural data from molecular aggregates. Consequently, numerous and sophisticated experimental systems have been developed to extract precise information, which is usually interpreted in the light of quantum mechanical calculations. However, even with the most sophisticated experiments, it is sometimes difficult to interpret the experimental results. We present here the example of water dimer and how after almost 70 years, the assignment of its mass-resolved IR spectrum still generates controversy that extends toward the mechanism of ionization of water aggregates.
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Affiliation(s)
- Iker León
- Grupo
de Espectroscopía Molecular (GEM), Edificio Quifima, Unidad Asociada CSIC, Universidad de Valladolid, 47005 Valladolid, Spain
| | - Raúl Montero
- SGIKER
Laser Facility, University of the Basque
Country (UPV/EHU), Barrio Sarriena s/n, Leioa 48940, Spain
| | - Asier Longarte
- Department
of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, Leioa 48940, Spain
| | - José A. Fernández
- Department
of Physical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Barrio Sarriena s/n, Leioa 48940, Spain
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6
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Stamm A, Maué D, Gerhards M. Structural Rearrangement by Isomer-Specific Infrared Excitation in the Neutral Isolated Dihydrated Cluster of 3-Hydroxyflavone. J Phys Chem Lett 2018; 9:4360-4366. [PMID: 29991253 DOI: 10.1021/acs.jpclett.8b01680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Isomer-specific, IR-induced reactions in the electronic ground state (S0) can be of great interest to control reaction pathways. Here we show a first example of these reactions with isomer-specific excitation and formation of a new isomer under isolated conditions in a molecular beam experiment. The investigated dihydrated cluster of 3-hydroxyflavone forms two isomers, I and D, in the S0 state. We show that only a mode-specific excitation of isomer I leads to a structural rearrangement yielding an isomer that has not been identified so far. This isomer is assigned in comparison to quantum chemical calculations. The experiments are performed by applying an IR/IR method in combination with a mass-selective resonant two-photon ionization (R2PI) process. Usually these kinds of IR/IR/R2PI methods are chosen to discriminate isomers; here it is demonstrated that this powerful method can also be applied for analysis of IR-induced reactions probed by an IR/R2PI process.
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Affiliation(s)
- Anke Stamm
- Fachbereich Chemie & Research Center Optimas , TU Kaiserslautern , Erwin-Schroedinger-Straße 52 , D-67663 Kaiserslautern , Germany
| | - Dominique Maué
- Fachbereich Chemie & Research Center Optimas , TU Kaiserslautern , Erwin-Schroedinger-Straße 52 , D-67663 Kaiserslautern , Germany
| | - Markus Gerhards
- Fachbereich Chemie & Research Center Optimas , TU Kaiserslautern , Erwin-Schroedinger-Straße 52 , D-67663 Kaiserslautern , Germany
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7
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Usabiaga I, González J, Arnáiz PF, León I, Cocinero EJ, Fernández JA. Modeling the tyrosine–sugar interactions in supersonic expansions: glucopyranose–phenol clusters. Phys Chem Chem Phys 2016; 18:12457-65. [DOI: 10.1039/c6cp00560h] [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
We present here the structure of glucopyranoe–phenol complexes, as revealed by mass-resolved laser spectroscopy and DFT calculations.
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Affiliation(s)
- Imanol Usabiaga
- Dep. of Physical Chemistry
- Fac. of Science and Technology
- University of the Basque Country (UPV/EHU)
- 48940 Leioa
- Spain
| | - Jorge González
- Dep. of Physical Chemistry
- Fac. of Science and Technology
- University of the Basque Country (UPV/EHU)
- 48940 Leioa
- Spain
| | - Pedro F. Arnáiz
- Dep. of Physical Chemistry
- Fac. of Science and Technology
- University of the Basque Country (UPV/EHU)
- 48940 Leioa
- Spain
| | - Iker León
- Dep. of Physical Chemistry
- Fac. of Science and Technology
- University of the Basque Country (UPV/EHU)
- 48940 Leioa
- Spain
| | - Emilio J. Cocinero
- Dep. of Physical Chemistry
- Fac. of Science and Technology
- University of the Basque Country (UPV/EHU)
- 48940 Leioa
- Spain
| | - José A. Fernández
- Dep. of Physical Chemistry
- Fac. of Science and Technology
- University of the Basque Country (UPV/EHU)
- 48940 Leioa
- Spain
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9
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León I, Millán J, Cocinero EJ, Lesarri A, Fernández JA. Molecular hydration of propofol dimers in supersonic expansions: formation of active centre-like structures. Phys Chem Chem Phys 2014; 16:23301-7. [DOI: 10.1039/c4cp03101f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solvation of propofol dimers is characterized by the formation of hydrogen bond networks attached to an active site-like centre.
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Affiliation(s)
- Iker León
- Department of Physical Chemistry
- Faculty of Science and Technology
- University of the Basque Country (UPV/EHU)
- Leioa 48940, Spain
| | - Judith Millán
- Department of Chemistry
- Faculty of Science
- Agricultural Studies and Informatics
- University of La Rioja
- Logroño 26006, Spain
| | - Emilio J. Cocinero
- Department of Physical Chemistry
- Faculty of Science and Technology
- University of the Basque Country (UPV/EHU)
- Leioa 48940, Spain
| | - Alberto Lesarri
- Department of Physical Chemistry and Inorganic Chemistry
- Faculty of Science
- University of Valladolid
- Valladolid 47011, Spain
| | - José A. Fernández
- Department of Physical Chemistry
- Faculty of Science and Technology
- University of the Basque Country (UPV/EHU)
- Leioa 48940, Spain
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