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Sato C, Dekura S, Sato H, Sambe K, Takeda T, Kurihara T, Mizuno M, Taniguchi T, Wu J, Nakamura T, Akutagawa T. Proton Conduction in Chiral Molecular Assemblies of Azolium-Camphorsulfonate Salts. J Am Chem Soc 2024; 146:22699-22710. [PMID: 39083719 PMCID: PMC11328138 DOI: 10.1021/jacs.4c07429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Chiral molecular assemblies have attracted considerable attention because of their interesting physical properties, such as spin-selective electron transport. Cation-anion salts of three azolium cations, imidazolium (HIm+), triazolium (HTrz+), and thiazolium (HThz+), in combination with a chiral camphorsulfonate (1S-CS-) and their racemic compounds (rac-CS-) were prepared and compared in terms of phase transitions, crystal structures, dynamics of constituent molecules, dielectric responses, and proton conductivities. The cation-anion crystals containing HIm+ showed no significant difference in proton conductivity between the homochiral and racemic crystals, whereas the HTrz+-containing crystals showed higher proton conductivity and lower activation energy in the homochiral form than in the racemic form. A two-dimensional hydrogen-bonding network consisting of HTrz+ and -SO3- groups and similar in-plane rotational motion was observed in both crystals; however, the HTrz+ cation in the homochiral crystal exhibited the rotational motion modulated with translational motion, whereas the HTrz+ cation in the racemic crystal exhibited almost steady in-plane rotational motion. The different motional degrees of freedom were confirmed by crystal structure analyses and temperature- and frequency-dependent dielectric constants. In contrast, steady in-plane rotational motion with the thermally activated fluctuating motion of CS- was observed both in homochiral and racemic crystals containing HIm+, which averaged the motional space of protons resulting in similar dielectric responses and proton conductivities. The control of motional degrees of freedom in homochiral crystals affects the proton conductivity and is useful for the design of molecular proton conductors.
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Affiliation(s)
- Chisato Sato
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
| | - Shun Dekura
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Hiroyasu Sato
- Rigaku Corporation, Akishima, Tokyo, 196-8666, Japan
| | - Kohei Sambe
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
| | - Takashi Takeda
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Takuya Kurihara
- Department of Chemistry, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-Machi, Kanazawa, Ishikawa, 920-1192, Japan
| | - Motohiro Mizuno
- Department of Chemistry, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-Machi, Kanazawa, Ishikawa, 920-1192, Japan
- Nanomaterials Research Institute, Kanazawa University, Kakuma-Machi, Kanazawa, Ishikawa, 920-1192, Japan
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-Machi, Kanazawa, Ishikawa, 920-1192, Japan
| | - Takuya Taniguchi
- Center for Data Science, Waseda University, 1-6-1 Nishiwaseda, Shinjuku-ku, Tokyo, 169-8050, Japan
| | - Jiabing Wu
- Graduate School of Environmental Science, Hokkaido University, N10W5, Kita-ku, Sapporo, 060-0810, Japan
- Research Institute for Electronic Science, Hokkaido University, N20W10, Kita-ku, Sapporo 001-0020, Japan
| | - Takayoshi Nakamura
- Graduate School of Environmental Science, Hokkaido University, N10W5, Kita-ku, Sapporo, 060-0810, Japan
- Research Institute for Electronic Science, Hokkaido University, N20W10, Kita-ku, Sapporo 001-0020, Japan
| | - Tomoyuki Akutagawa
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
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Islam M, Khan IM, Shakya S, Alam N. Design, synthesis, characterizing and DFT calculations of a binary CT complex co-crystal of bioactive moieties in different polar solvents to investigate its pharmacological activity. J Biomol Struct Dyn 2023; 41:10813-10829. [PMID: 36579428 DOI: 10.1080/07391102.2022.2158937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 12/10/2022] [Indexed: 12/30/2022]
Abstract
Imidazole (IM) and salicylic acid (SA) have a significant class among the medical compound. These are widely used as topical drugs like antifungal, antibacterial, anticancer, immunosuppressive agent, etc. These two bioactive organic moieties are combined by a weak hydrogen bond formed by hydrogen transfer. The charge transfer (CT) complex of acceptor (SA) and donor (IM), has been synthesized at room temperature in methanol and confirmed by signal-crystal XRD, conductance and UV-visible spectroscopy. The X-ray crystallography provides the original structural information of CT complex and displays the existence of N+-H--O- bond between IM and SA. The physical properties such as (ECT), (RN), (ID), (f), (D) and (Δ G0) along with molar extinction coefficient (εCT) and formation constant (KCT) were estimated through UV-visible spectroscopy. Job's method and Benesi-Hildebrand equation suggested 1:1 stoichiometry of ([IM]+[SA]-). The results indicate a complete transfer of hydrogen atom and CT complex formation with 1:1 molar ratio of IM and SA. Antimicrobial activity was veiled against different bacteria like Escherichia coli, Bacillus subtilis and Staphylococcus aureus; and different fungi as Fusarium oxysporum, Candida albicans and Aspergillus niger by disc diffusion method. CT complex was also tested for cytotoxic activity against lung cancer cell lines in comparison to breast cancer cell lines. Molecular docking provides the information of binding of [(IM)+(SA)-] with the cancer marker (1M17), which has substantial application for drug designing. The investigational studies were supplemented through time-dependent density functional theory (TD-DFT) using basis set B3LYP/6-311G**. Through DFT calculations, HOMO→LUMO electronic energy gap (Δ E ) was obtained.
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Affiliation(s)
- Maidul Islam
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh, India
| | - Ishaat M Khan
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh, India
| | - Sonam Shakya
- Department of Chemistry, Faculty of Science, Aligarh Muslim University, Aligarh, India
| | - Nisat Alam
- Department of Bio-chemistry, School of Chemical and Life Science, New Delhi, India
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Zięba S, Rusek M, Katrusiak A, Gzella A, Dubis AT, Łapiński A. Helical model of compression and thermal expansion. Sci Rep 2023; 13:17398. [PMID: 37833356 PMCID: PMC10575930 DOI: 10.1038/s41598-023-44467-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 10/09/2023] [Indexed: 10/15/2023] Open
Abstract
A negative linear temperature expansion and a negative linear compressibility were observed for imidazolium benzoate salt. Its strongly anisotropic strain induced by the temperature and pressure changes has been explained by the mechanism of H-bonded helices deformed in the structure. X-ray diffraction and vibrational spectroscopy were used to analyze interactions in the crystal. The Quantum Theory of Atoms in Molecules (QTAiM) approach was applied to analyze the hydrogen bonds and other interactions. In the salt under study, the interactions within the helix are substantially higher in energy than between helices. With decreasing temperature and increasing pressure, the value of the helix pitch increases while the value of the semi-major axis decreases, which results in the negative linear expansion and negative linear compression, respectively.
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Affiliation(s)
- Sylwia Zięba
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179, Poznan, Poland.
| | - Michalina Rusek
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Andrzej Katrusiak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznan, Poland
| | - Andrzej Gzella
- Department of Organic Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780, Poznan, Poland
| | - Alina T Dubis
- Faculty of Chemistry, University of Bialystok, Ciołkowskiego 1K, 15-245, Bialystok, Poland
| | - Andrzej Łapiński
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179, Poznan, Poland.
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Pyrih A, Łapiński A, Zięba S, Lesyk R, Jaskolski M, Gzella AK. Proton tautomerism and stereoisomerism of 4-amino-1,3-thiazol-2(5H)-one derivatives bearing substituents with opposite electronic effects: Synthesis, structure and spectroscopic studies. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Kobylis P, Kasprzyk M, Nowacki A, Caban M. An investigation of the ionicity of selected ionic liquid matrices used for matrix-assisted laser desorption/ionization. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Martinelli A, Otero-Mato JM, Garaga MN, Elamin K, Rahman SMH, Zwanziger JW, Werner-Zwanziger U, Varela LM. A New Solid-State Proton Conductor: The Salt Hydrate Based on Imidazolium and 12-Tungstophosphate. J Am Chem Soc 2021; 143:13895-13907. [PMID: 34406757 PMCID: PMC8414554 DOI: 10.1021/jacs.1c06656] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
![]()
We report the structure
and charge transport properties of a novel
solid-state proton conductor obtained by acid–base chemistry
via proton transfer from 12-tungstophosphoric acid to imidazole. The
resulting material (henceforth named Imid3WP) is a solid
salt hydrate that, at room temperature, includes four water molecules
per structural unit. To our knowledge, this is the first attempt to
tune the properties of a heteropolyacid-based solid-state proton conductor
by means of a mixture of water and imidazole, interpolating between
water-based and ionic liquid-based proton conductors of high thermal
and electrochemical stability. The proton conductivity of Imid3WP·4H2O measured at truly anhydrous conditions
reads 0.8 × 10–6 S cm–1 at
322 K, which is higher than the conductivity reported for any other
related salt hydrate, despite the lower hydration. In the pseudoanhydrous
state, that is, for Imid3WP·2H2O, the proton
conductivity is still remarkable and, judging from the low activation
energy (Ea = 0.26 eV), attributed to structural
diffusion of protons. From complementary X-ray diffraction data, vibrational
spectroscopy, and solid-state NMR experiments, the local structure
of this salt hydrate was resolved, with imidazolium cations preferably
orienting flat on the surface of the tungstophosphate anions, thus
achieving a densely packed solid material, and water molecules of
hydration that establish extremely strong hydrogen bonds. Computational
results confirm these structural details and also evidence that the
path of lowest energy for the proton transfer involves primarily imidazole
and water molecules, while the proximate Keggin anion contributes
with reducing the energy barrier for this particular pathway.
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Affiliation(s)
- Anna Martinelli
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-41296 Gothenburg, Sweden
| | - José M Otero-Mato
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamento de Física de Partículas, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - Mounesha N Garaga
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
| | - Khalid Elamin
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-41296 Gothenburg, Sweden
| | | | - Josef W Zwanziger
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
| | | | - Luis M Varela
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamento de Física de Partículas, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
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Zięba S, Piotrowska A, Mizera A, Ławniczak P, Markiewicz KH, Gzella A, Dubis AT, Łapiński A. Spectroscopic and Structural Study of a New Conducting Pyrazolium Salt. Molecules 2021; 26:4657. [PMID: 34361809 PMCID: PMC8347911 DOI: 10.3390/molecules26154657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/17/2022] Open
Abstract
The increase in conductivity with temperature in 1H-pyrazol-2-ium 2,6-dicarboxybenzoate monohydrate was analyzed, and the influence of the mobility of the water was discussed in this study. The electric properties of the salt were studied using the impedance spectroscopy method. WB97XD/6-311++G(d,p) calculations were performed, and the quantum theory of atoms in molecules (QTAiM) approach and the Hirshfeld surface method were applied to analyze the hydrogen bond interaction. It was found that temperature influences the spectroscopic properties of pyrazolium salt, particularly the carbonyl and hydroxyl frequencies. The influence of water molecules, connected by three-center hydrogen bonds with co-planar tetrameters, on the formation of structural defects is also discussed in this report.
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Affiliation(s)
- Sylwia Zięba
- Institute of Molecular Physics Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland; (S.Z.); (A.M.); (P.Ł.)
| | - Agata Piotrowska
- Faculty of Materials Engineering and Technical Physics, Poznań University of Technology, Piotrowo 3, 60-965 Poznań, Poland;
| | - Adam Mizera
- Institute of Molecular Physics Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland; (S.Z.); (A.M.); (P.Ł.)
| | - Paweł Ławniczak
- Institute of Molecular Physics Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland; (S.Z.); (A.M.); (P.Ł.)
| | - Karolina H. Markiewicz
- Faculty of Chemistry, University of Bialystok, Ciołkowskiego 1K, 15-245 Białystok, Poland; (K.H.M.); (A.T.D.)
| | - Andrzej Gzella
- Departament of Organic Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznań, Poland;
| | - Alina T. Dubis
- Faculty of Chemistry, University of Bialystok, Ciołkowskiego 1K, 15-245 Białystok, Poland; (K.H.M.); (A.T.D.)
| | - Andrzej Łapiński
- Institute of Molecular Physics Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland; (S.Z.); (A.M.); (P.Ł.)
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Hori Y, Dekura S, Sunairi Y, Ida T, Mizuno M, Mori H, Shigeta Y. Proton Conduction Mechanism for Anhydrous Imidazolium Hydrogen Succinate Based on Local Structures and Molecular Dynamics. J Phys Chem Lett 2021; 12:5390-5394. [PMID: 34080418 DOI: 10.1021/acs.jpclett.1c01280] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Anhydrous organic crystalline materials incorporating imidazolium hydrogen succinate (Im-Suc), which exhibit high proton conduction even at temperatures above 100 °C, are attractive for elucidating proton conduction mechanisms toward the development of solid electrolytes for fuel cells. Herein, quantum chemical calculations were used to investigate the proton conduction mechanism in terms of hydrogen-bonding (H-bonding) changes and restricted molecular rotation in Im-Suc. The local H-bond structures for proton conduction were characterized by vibrational frequency analysis and compared with corresponding experimental data. The calculated potential energy surface involving proton transfer (PT) and imidazole (Im) rotational motion showed that PT between Im and succinic acid was a rate-limiting step for proton transport in Im-Suc and that proton conduction proceeded via the successive coupling of PT and Im rotational motion based on a Grotthuss-type mechanism. These findings provide molecular-level insights into proton conduction mechanisms for Im-based (or -incorporated) H-bonding organic proton conductors.
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Affiliation(s)
- Yuta Hori
- Center for Computational Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Shun Dekura
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - Yoshiya Sunairi
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - Tomonori Ida
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa 920-1192, Japan
| | - Motohiro Mizuno
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa 920-1192, Japan
- NanoMaterials Research Institute, Kanazawa University, Kanazawa 920-1192, Japan
| | - Hatsumi Mori
- The Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - Yasuteru Shigeta
- Center for Computational Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
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