1
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Li J, Shi Y, Cheng T. Electronic coupling and electron transfer in hydrogen-bonded mixed-valence compounds. Phys Chem Chem Phys 2023. [PMID: 37158078 DOI: 10.1039/d3cp01337e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Electron transfer provided by hydrogen bonds represents a unique and highly significant area of research, as it has a crucial role to play in a wide variety of chemical and biological systems. The hydrogen-bonded mixed-valence system, in the form of donor-hydrogen bond-acceptor, provides an ideal platform for exploring thermally-induced electron transfer across this non-covalent unit. Over the past decades, ongoing progress has been made in this field. Here we critically assess some studies on the qualitative and quantitative evaluation of electronic coupling and thermal electron transfer across hydrogen bond interface. Additionally, selected experimental examples are discussed in terms of intervalence charge transfer, with particular attention paid to the proton-coupled and often overlooked proton-uncoupled electron transfer pathway in hydrogen-bonded mixed-valence systems. We further highlight the major limitations of this research area and suggest potential directions for future exploration.
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Affiliation(s)
- Juanjuan Li
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, P. R. China
| | - Yuqing Shi
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, P. R. China
| | - Tao Cheng
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, P. R. China
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2
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Fink D, Staiger A, Orth N, Linseis M, Ivanović-Burmazović I, Winter RF. Redox-Induced Hydrogen Bond Reorientation Mimicking Electronic Coupling in Mixed-Valent Diruthenium and Macrocyclic Tetraruthenium Complexes. Inorg Chem 2020; 59:16703-16715. [PMID: 33135894 DOI: 10.1021/acs.inorgchem.0c02695] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
We present the coordination-driven self-assembly of three tetranuclear metallacycles containing intracyclic NH2, OH, or OMe functionalities through the combination of various isophthalic acid building blocks with a divinylphenylene diruthenium complex. All new complexes of this study were characterized by means of nuclear magnetic resonance spectroscopy, ultrahigh-resolution ESI mass spectrometry, cyclic and square wave voltammetry and, in two cases, X-ray diffraction. The hydroxy functionalized macrocycle 4-BOH and the corresponding half-cycle 2-OH stand out, as their intracyclic OH···O hydrogen bonds stabilize their mixed-valent one- (2-OH, 4-BOH) and three-electron-oxidized states (4-BOH). Despite sizable redox splittings between all one-electron waves, the mixed-valent monocations and trications do not exhibit any intervalence charge-transfer band, assignable to through-bond electronic coupling, but nevertheless display distinct IR band shifts of their charge-sensitive Ru(CO) tags. We ascribe these seemingly contradicting observations to a redox-induced shuffling of the OH···O hydrogen bond(s) to the remaining, more electron-rich, reduced redox site.
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Affiliation(s)
- Daniel Fink
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany
| | - Anne Staiger
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany
| | - Nicole Orth
- Department Chemie und Pharmazie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Michael Linseis
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany
| | - Ivana Ivanović-Burmazović
- Department Chemie und Pharmazie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Rainer F Winter
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany
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3
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Tahara K, Abe M. Stimuli-responsive Mixed-valence Architectures: Synthetic Design and Interplay between Mobile and Introduced Charges. CHEM LETT 2020. [DOI: 10.1246/cl.200069] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Keishiro Tahara
- Department of Material Science, Graduate School of Material Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Masaaki Abe
- Department of Material Science, Graduate School of Material Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297, Japan
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4
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Tahara K, Terashita N, Tokunaga K, Yabumoto S, Kikuchi JI, Ozawa Y, Abe M. Zwitterionic Mixed Valence: Internalizing Counteranions into a Biferrocenium Framework toward Molecular Expression of Half-Cells in Quantum Cellular Automata. Chemistry 2019; 25:13728-13738. [PMID: 31376186 DOI: 10.1002/chem.201902840] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 07/26/2019] [Indexed: 01/26/2023]
Abstract
Realization of molecular quantum cellular automata (QCA), a promising architecture for molecular computing through current-free processes, requires improved understanding and application of mixed-valence (MV) molecules. In this report, we present an electrostatic approach to creating MV subspecies through internalizing opposite charges in close proximity to MV ionic moieties. This approach is demonstrated by unsymmetrically attaching a charge-responsive boron substituent to a well-known organometallic MV complex, biferrocenium. Guest anions (CN- and F- ) bind to the Lewis acidic boron center, leading to unusual blue-shifts of the intervalence charge-transfer (IVCT) bands. To the best of our knowledge, this is the first reported example of a zwitterionic MV series in which the degree of positive charge delocalization can be varied by changing the bound anions, and serves to clarify the interplay between IVCT parameters. The key underlying factor is the variable zero-level energy difference in the MV states. This work provides new insight into imbuing MV molecules with external charge-responsiveness, a prerequisite of molecular QCA techniques.
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Affiliation(s)
- Keishiro Tahara
- Department of Material Science, Graduate School of Material Science, University of Hyogo, 3-2-1, Kouto, Kamigori, Ako, Hyogo, 678-1297, Japan
| | - Nazuna Terashita
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5, Takayama, Ikoma, Nara, 630-0192, Japan
| | - Ken Tokunaga
- Division of Liberal Arts, Centre for Promotion of Higher Education, Kogakuin University, 2665-1, Nakano, Hachioji, Tokyo, 192-0015, Japan
| | - Shiomi Yabumoto
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5, Takayama, Ikoma, Nara, 630-0192, Japan
| | - Jun-Ichi Kikuchi
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5, Takayama, Ikoma, Nara, 630-0192, Japan
| | - Yoshiki Ozawa
- Department of Material Science, Graduate School of Material Science, University of Hyogo, 3-2-1, Kouto, Kamigori, Ako, Hyogo, 678-1297, Japan
| | - Masaaki Abe
- Department of Material Science, Graduate School of Material Science, University of Hyogo, 3-2-1, Kouto, Kamigori, Ako, Hyogo, 678-1297, Japan
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5
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Tahara K, Koyama H, Fujitsuka M, Tokunaga K, Lei X, Majima T, Kikuchi JI, Ozawa Y, Abe M. Charge-Separated Mixed Valency in an Unsymmetrical Acceptor-Donor-Donor Triad Based on Diarylboryl and Triarylamine Units. J Org Chem 2019; 84:8910-8920. [PMID: 31072099 DOI: 10.1021/acs.joc.9b00836] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, we report the generation of new mixed-valence (MV) subspecies with charge-separated (CS) characters from an unsymmetrical acceptor-donor-donor (A-D-D) triad. The triad was synthesized by attaching a dimesitylboryl group (A) to a D-D conjugate that consisted of triarylamine (NAr3) units. The MV radical cation, obtained by chemical oxidation of the triad, exhibited a strong intervalence charge transfer (IVCT) absorption derived from the bis(NAr3)•+ moiety in the near-IR region. The charge-separated MV (CSMV) state, obtained by photoexcitation of the triad, caused a blue shift in IVCT energy in the femtosecond transient absorption spectra, reflecting a bias of positive charge distributions to the D end site. This resulted from increased electron density at the A site and restructuring of the central D site from NAr3 to NAr2 sites. Interestingly, any shift in the IVCT energy that was caused by the polarity of the solvent was minimal, reflecting the unique characteristics of the CSMV state. These findings represent the first detailed analysis of the CSMV state, including a comparison with conventional MV states. Therefore, this work provides new insights into counterion-free MV systems and their applications in molecular devices.
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Affiliation(s)
- Keishiro Tahara
- Department of Material Science and Research Center for New Functional Materials, Graduate School of Material Science , University of Hyogo , 3-2-1, Kouto , Kamigori, Ako , Hyogo 678-1297 , Japan
| | - Haruya Koyama
- Graduate School of Materials Science , Nara Institute of Science and Technology , 8916-5, Takayama , Ikoma, Nara 630-0192 , Japan
| | - Mamoru Fujitsuka
- Institute of Scientific and Industrial Research (SANKEN) , Osaka University , 8-1, Mihogaoka , Ibaraki , Osaka 567-0047 , Japan
| | - Ken Tokunaga
- Division of Liberal Arts, Centre for Promotion of Higher Education , Kogakuin University , 2665-1, Nakano , Hachioji, Tokyo 192-0015 , Japan
| | - Xu Lei
- Institute of Scientific and Industrial Research (SANKEN) , Osaka University , 8-1, Mihogaoka , Ibaraki , Osaka 567-0047 , Japan
| | - Tetsuro Majima
- Institute of Scientific and Industrial Research (SANKEN) , Osaka University , 8-1, Mihogaoka , Ibaraki , Osaka 567-0047 , Japan
| | - Jun-Ichi Kikuchi
- Graduate School of Materials Science , Nara Institute of Science and Technology , 8916-5, Takayama , Ikoma, Nara 630-0192 , Japan
| | - Yoshiki Ozawa
- Department of Material Science and Research Center for New Functional Materials, Graduate School of Material Science , University of Hyogo , 3-2-1, Kouto , Kamigori, Ako , Hyogo 678-1297 , Japan
| | - Masaaki Abe
- Department of Material Science and Research Center for New Functional Materials, Graduate School of Material Science , University of Hyogo , 3-2-1, Kouto , Kamigori, Ako , Hyogo 678-1297 , Japan
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6
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Tadokoro M, Isogai K, Harada S, Kouchi T, Yamane T, Sugaya T, Kamebuchi H. Evidence of proton-coupled mixed-valency by electrochemical behavior on transition metal complex dimers bridged by two Ag + ions. Dalton Trans 2019; 48:535-546. [PMID: 30525138 DOI: 10.1039/c8dt03962c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
H-Bonded metal complex dimers with reversible redox behaviour, which are connected by a low-barrier hydrogen bond (LBHB) with a very low energy barrier for proton transfer, can provide a unique mixed-valency state stabilized by the proton-coupled electron transfer (PCET) phenomenon. Using cyclic voltammetry measurements, newly prepared [ReIIICl2(PnPr3)2(Hbim)]2 (2) and [OsIIICl2(PnPr3)2(Hbim)]2 (3) existing as H-bonded dimers in a CH2Cl2 solution showed a four-step and four-electron transfer containing two mixed-valency states of ReIIReIII and ReIIIReIV, and OsIIOsIII and OsIIIOsVI, respectively. Furthermore, [ReIIICl2(PnPr3)2(Agbim)]2 (4) and [OsIIICl2(PnPr3)2(Agbim)]2 (5), bridged by two Ag+ ions instead of two H-bonding protons, were prepared, and their electrochemical behaviours changed to a two-step and four-electron transfer. It is clear that the H-bonded complex dimers 2 and 3, connected by an LBHB, can be electrochemically stabilized into unique pairs of mixed-valency states by PCET, and the H-bonding proton transfer also controls the electrochemical redox behaviour.
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Affiliation(s)
- Makoto Tadokoro
- Tokyo University of Science, Faculty of Science, Department of Chemistry, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
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7
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Cedano MR, Smith DK. Redox-Responsive Dimerization in a Ferrocene-Ureidopyrimidone Supramolecular Assembly. J Org Chem 2018; 83:11595-11603. [DOI: 10.1021/acs.joc.8b01570] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mario R. Cedano
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, California 92182-1030, United States
| | - Diane K. Smith
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, California 92182-1030, United States
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8
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Muck CS, Linseis M, Welte H, Weickert S, Drescher M, Winter RF. Electrochemical and Spectroscopic Studies on σ-Phenyl Ruthenium Complexes Ru(CO)Cl(C6H4R-4)(PiPr3)2. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Christina S. Muck
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße 10, D-78457 Konstanz, Germany
| | - Michael Linseis
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße 10, D-78457 Konstanz, Germany
| | - Hannah Welte
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße 10, D-78457 Konstanz, Germany
| | - Sabrina Weickert
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße 10, D-78457 Konstanz, Germany
| | - Malte Drescher
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße 10, D-78457 Konstanz, Germany
| | - Rainer F. Winter
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße 10, D-78457 Konstanz, Germany
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9
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Shao JY, Gong ZL, Zhong YW. Bridged cyclometalated diruthenium complexes for fundamental electron transfer studies and multi-stage redox switching. Dalton Trans 2018; 47:23-29. [PMID: 29230470 DOI: 10.1039/c7dt04168c] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four bridged cyclometalated diruthenium systems are highlighted in this Frontier article, including strongly-coupled diruthenium complexes with a short phen-1,4-diyl or a planar pyren-2,7-diyl bridge, redox asymmetric diruthenium complexes characterized by different terminal ligands on the two ends, diruthenium complexes with a urea bridge that allows modulating the degree of electronic coupling, and those with a redox-active amine bridge with varying electronic structures. These complexes posess redox couples with low potentials and intense intervalence charge transfer absorptions in the near-infrared region in the one-electron-oxidized mixed-valent state. They are appealing not only for providing a platform for fundamental electron transfer studies but also as molecular materials with multi-stage redox switching properties.
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Affiliation(s)
- Jiang-Yang Shao
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellencet in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhong-Liang Gong
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellencet in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yu-Wu Zhong
- CAS Key Laboratory of Photochemistry, CAS Research/Education Centre for Excellencet in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China and University of Chinese Academy of Sciences, Beijing 100049, China.
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10
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Rayavarapu S, Kheria S, Shinde DR, Gonnade RG, Sanjayan GJ. A modular approach towards functionalized highly stable self-complementary quadruple hydrogen bonded systems. Org Biomol Chem 2017; 15:10087-10094. [PMID: 29170774 DOI: 10.1039/c7ob02358h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Self-complementary quadruple hydrogen bonded systems have shown potential as key building blocks for developing various supramolecular polymers. Opportunities for the introduction of multiple functionalities would further augment, in principle, their application potential. Herein, we report a novel modular approach to simultaneously introduce two closely aligned side chains into AADD-type self-complementary quadruple hydrogen-bonding systems. Dithiane-tethered ureidopyrimidinone has been used as a reactive intermediate to efficiently attach closely aligned side chains by simply reacting with amines to form highly stable molecular duplexes. These duplexes featuring AADD-type arrays of hydrogen bonding codes are highly stable in non-polar solvents (Kdim > 1.9 × 107 M-1 in CDCl3) as well as in polar solvents (Kdim > 105 in 10% DMSO-d6/CDCl3). Another notable feature of these self-assembling systems is their insensitivity to prototropy-related issues owing to their prototropic degeneracy, which will enhance their application potential in supramolecular chemistry.
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Affiliation(s)
- Suresh Rayavarapu
- Organic Chemistry Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr Homi Bhabha Road, Pune-411008, India.
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11
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12
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Porter TM, Heim GP, Kubiak CP. Effects of electron transfer on the stability of hydrogen bonds. Chem Sci 2017; 8:7324-7329. [PMID: 29163883 PMCID: PMC5672789 DOI: 10.1039/c7sc03361c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 08/30/2017] [Indexed: 12/19/2022] Open
Abstract
The measurement of the dimerization constants of hydrogen-bonded ruthenium complexes (12, 22, 32) linked by a self-complementary pair of 4-pyridylcarboxylic acid ligands in different redox states is reported.
The measurement of the dimerization constants of hydrogen-bonded ruthenium complexes (12, 22, 32) linked by a self-complementary pair of 4-pyridylcarboxylic acid ligands in different redox states is reported. Using a combination of FTIR and UV/vis/NIR spectroscopies, the dimerization constants (KD) of the isovalent, neutral states, 12, 22, 32, were found to range from 75 to 130 M–1 (ΔG0 = –2.56 to –2.88 kcal mol–1), while the dimerization constants (K2–) of the isovalent, doubly-reduced states, (12)2–, (22)2–, (32)2–, were found to range from 2000 to 2500 M–1 (ΔG0 = –4.5 to –4.63 kcal mol–1). From the aforementioned values and the comproportionation constant for the mixed-valent dimers, the dimerization constants (KMV) of the mixed-valent, hydrogen-bonded dimers, (12)–, (22)–, (32)–, were found to range from 0.5 × 106 to 1.2 × 106 M–1 (ΔG0 = –7.78 to –8.31 kcal mol–1). On average, the hydrogen-bonded, mixed-valent states are stabilized by –5.27 (0.04) kcal mol–1 relative to the isovalent, neutral, hydrogen-bonded dimers and –3.47 (0.06) kcal mol–1 relative to the isovalent, dianionic hydrogen bonded dimers. Electron exchange in the mixed valence states imparts significant stability to hydrogen bonding. This is the first quantitative measurement of the strength of hydrogen bonds in the presence and absence of electronic exchange.
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Affiliation(s)
- Tyler M Porter
- Department of Chemistry and Biochemistry , University of California San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , USA .
| | - Gavin P Heim
- Department of Chemistry and Biochemistry , University of California San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , USA .
| | - Clifford P Kubiak
- Department of Chemistry and Biochemistry , University of California San Diego , 9500 Gilman Drive , La Jolla , California 92093-0358 , USA .
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13
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Bisello A, Cardena R, Rossi S, Crisma M, Formaggio F, Santi S. Hydrogen-Bond-Assisted, Concentration-Dependent Molecular Dimerization of Ferrocenyl Hydantoins. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00248] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Annalisa Bisello
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Roberta Cardena
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Serena Rossi
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Marco Crisma
- Institute
of Biomolecular Chemistry, Padova Unit, CNR, via Marzolo 1, 35131 Padova, Italy
| | - Fernando Formaggio
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
| | - Saverio Santi
- Department
of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy
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14
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Gong ZL, Deng LY, Zhong YW, Yao J. Anion-regulated electronic communication in a cyclometalated diruthenium complex with a urea bridge. Phys Chem Chem Phys 2017; 19:8902-8907. [PMID: 28294210 DOI: 10.1039/c6cp08019g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A combined study of electrochemical measurements, intervalence charge transfer analysis, and DFT calculations suggests that the degree of urea-mediated electronic coupling between two cyclometalated ruthenium sites is enhanced by the coordination of urea with Br- or Cl-via hydrogen bonding. In contrast, the redox waves of the diruthenium complex become highly irreversible in the presence of relatively strong basic anions such as H2PO4-, F-, or OAc-. This work demonstrates that the anion-urea interaction can be employed to regulate the electronic coupling and electron transfer between redox-active sites, suggesting the potential applications of the urea-functionalized diruthenium complex in anion sensing and stimuli-responsive molecular electronics.
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Affiliation(s)
- Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Li-Ye Deng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. and University of Chinese Academy of Sciences, Beijing 100049, China
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15
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Kheria S, Rayavarapu S, Kotmale AS, Sanjayan GJ. Three in one: prototropy-free highly stable AADD-type self-complementary quadruple hydrogen-bonded molecular duplexes with a built-in fluorophore. Chem Commun (Camb) 2017; 53:2689-2692. [PMID: 28197572 DOI: 10.1039/c6cc09478c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This communication reports an effective approach for addressing the prototropy-related problems in heterocycle-based AADD-type self-assembling systems by freezing their hydrogen-bonding codes, by utilizing intramolecular bifurcated hydrogen bonding interactions. Using this strategy, we have also developed a hydroquinone-conjugated AADD-type self-assembling system adorned with three valuable features such as prototropy-free dimerization yielding single duplexes, high duplex stability and a built-in fluorophore, which would augment its application potential. The rational approach used herein to arrest prototropic shift may also find application elsewhere, wherein proton shift-mediated structural changes become a detrimental factor.
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Affiliation(s)
- Sanjeev Kheria
- Organic Chemistry Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr Homi Bhabha Road, Pune-411008, India.
| | - Suresh Rayavarapu
- Organic Chemistry Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr Homi Bhabha Road, Pune-411008, India.
| | - Amol S Kotmale
- Central NMR Facility, CSIR-National Chemical Laboratory (CSIR-NCL), Dr Homi Bhabha Road, Pune-411008, India
| | - Gangadhar J Sanjayan
- Organic Chemistry Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr Homi Bhabha Road, Pune-411008, India.
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16
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Porter TM, Canzi GC, Chabolla SA, Kubiak CP. Tuning Electron Delocalization and Transfer Rates in Mixed-Valent Ru3O Complexes through “Push–Pull” Effects. J Phys Chem A 2016; 120:6309-16. [DOI: 10.1021/acs.jpca.6b05485] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tyler M. Porter
- Department of Chemistry and
Biochemistry, University of California San Diego, 9500 Gilman Drive,
M/C 0358, La Jolla, California 92093-0358, United States
| | - Gabriele C. Canzi
- Department of Chemistry and
Biochemistry, University of California San Diego, 9500 Gilman Drive,
M/C 0358, La Jolla, California 92093-0358, United States
| | - Steven A. Chabolla
- Department of Chemistry and
Biochemistry, University of California San Diego, 9500 Gilman Drive,
M/C 0358, La Jolla, California 92093-0358, United States
| | - Clifford P. Kubiak
- Department of Chemistry and
Biochemistry, University of California San Diego, 9500 Gilman Drive,
M/C 0358, La Jolla, California 92093-0358, United States
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17
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Clare LA, Smith DK. Use of an electrochemically-induced proton-coupled electron transfer reaction to control dimerization in a ureidopyrimidone 4 H-bond array. Chem Commun (Camb) 2016; 52:7253-6. [PMID: 27227749 DOI: 10.1039/c6cc03365b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cyclic voltammetric and spectroelectrochemical evidence is presented showing that the H-bonded dimer formed from a ureidopyrimidone derivative containing a phenylenediamine redox couple can be reversibly broken apart at mM concentrations in CH2Cl2 by an electrochemically induced proton-coupled electron transfer reaction.
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Affiliation(s)
- Laurie A Clare
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, CA 92182-1030, USA.
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18
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Pfaff U, Hildebrandt A, Korb M, Oßwald S, Linseis M, Schreiter K, Spange S, Winter RF, Lang H. Electronically Strongly Coupled Divinylheterocyclic-Bridged Diruthenium Complexes. Chemistry 2016; 22:783-801. [PMID: 26660031 DOI: 10.1002/chem.201503687] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Indexed: 11/12/2022]
Abstract
Complexes [{Ru(CO)Cl(PiPr3 )2 }2 (μ-2,5-(CH-CH)2 -(c) C4 H2 E] (E=NR; R=C6 H4 -4-NMe2 (10 a), C6 H4 -4-OMe (10 b), C6 H4 -4-Me (10 c), C6 H5 (10 d), C6 H4 -4-CO2 Et (10 e), C6 H4 -4-NO2 (10 f), C6 H3 -3,5-(CF3 )2 (10 g), CH3 (11); E=O (12), S (13)) are discussed. The solid state structures of four alkynes and two complexes are reported. (Spectro)electrochemical studies show a moderate influence of the nature of the heteroatom and the electron-donating or -withdrawing substituents R in 10 a-g on the electrochemical and spectroscopic properties. The CVs display two consecutive one-electron redox events with ΔE°'=350-495 mV. A linear relationship between ΔE°' and the σp Hammett constant for 10 a-f was found. IR, UV/Vis/NIR and EPR studies for 10(+) -13(+) confirm full charge delocalization over the {Ru}CH-CH-heterocycle-CH-CH{Ru} backbone, classifying them as Class III systems according to the Robin and Day classification. DFT-optimized structures of the neutral complexes agree well with the experimental ones and provide insight into the structural consequences of stepwise oxidations.
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Affiliation(s)
- Ulrike Pfaff
- Faculty of Natural Sciences, Institute of Chemistry, Inorganic Chemistry, Technische Universität Chemnitz, 09107 Chemnitz (Germany)
| | - Alexander Hildebrandt
- Faculty of Natural Sciences, Institute of Chemistry, Inorganic Chemistry, Technische Universität Chemnitz, 09107 Chemnitz (Germany)
| | - Marcus Korb
- Faculty of Natural Sciences, Institute of Chemistry, Inorganic Chemistry, Technische Universität Chemnitz, 09107 Chemnitz (Germany)
| | - Steffen Oßwald
- Faculty of Chemistry, Universität Konstanz, 78457 Konstanz (Germany)
| | - Michael Linseis
- Faculty of Chemistry, Universität Konstanz, 78457 Konstanz (Germany)
| | - Katja Schreiter
- Faculty of Natural Sciences, Institute of Chemistry, Polymer Chemistry, Technische Universität Chemnitz, 09107 Chemnitz (Germany)
| | - Stefan Spange
- Faculty of Natural Sciences, Institute of Chemistry, Polymer Chemistry, Technische Universität Chemnitz, 09107 Chemnitz (Germany)
| | - Rainer F Winter
- Faculty of Chemistry, Universität Konstanz, 78457 Konstanz (Germany).
| | - Heinrich Lang
- Faculty of Natural Sciences, Institute of Chemistry, Inorganic Chemistry, Technische Universität Chemnitz, 09107 Chemnitz (Germany).
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19
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Wilkinson LA, Vincent KB, Meijer AJHM, Patmore NJ. Mechanistic insight into proton-coupled mixed valency. Chem Commun (Camb) 2016; 52:100-3. [DOI: 10.1039/c5cc07101a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Stabilisation of the mixed-valence state in [Mo2(TiPB)3(HDOP)]2+ (HTiPB = 2,4,6-triisopropylbenzoic acid, H2DOP = 3,6-dihydroxypyridazine) by electron transfer (ET) is related to the proton coordinate of the bridging ligands.
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Affiliation(s)
- Luke A. Wilkinson
- Department of Chemical Sciences
- University of Huddersfield
- Huddersfield HD1 3DH
- UK
- Department of Chemistry
| | - Kevin B. Vincent
- Department of Chemical Sciences
- University of Huddersfield
- Huddersfield HD1 3DH
- UK
| | | | - Nathan J. Patmore
- Department of Chemical Sciences
- University of Huddersfield
- Huddersfield HD1 3DH
- UK
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20
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Toscani A, Marín-Hernández C, Moragues ME, Sancenón F, Dingwall P, Brown NJ, Martínez-Máñez R, White AJP, Wilton-Ely JDET. Ruthenium(II) and Osmium(II) Vinyl Complexes as Highly Sensitive and Selective Chromogenic and Fluorogenic Probes for the Sensing of Carbon Monoxide in Air. Chemistry 2015; 21:14529-38. [DOI: 10.1002/chem.201501843] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Indexed: 01/28/2023]
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21
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Abdel-Rahman OS, Maurer J, Záliš S, Winter RF. Ruthenium Styryl Complexes with Ligands Derived from 2-Hydroxy- and 2-Mercaptopyridine and 2-Hydroxy- and 2-Mercaptoquinoline. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00401] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Obadah S. Abdel-Rahman
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße
10, D-78457 Konstanz, Germany
| | - Jörg Maurer
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstraße 31, D-93040 Regensburg, Germany
| | - Stanislav Záliš
- J. Heyrovský Institute of Physical Chemistry v.
v. i., Academy of Sciences of the Czech Republic, Dolejškova
3, 18223 Prague, Czech Republic
| | - Rainer F. Winter
- Fachbereich Chemie der Universität Konstanz, Universitätsstraße
10, D-78457 Konstanz, Germany
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstraße 31, D-93040 Regensburg, Germany
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22
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Scheerer S, Rotthowe N, Abdel-Rahman OS, He X, Rigaut S, Kvapilová H, Záliš S, Winter RF. Vinyl Ruthenium-Modified Biphenyl and 2,2′-Bipyridines. Inorg Chem 2015; 54:3387-402. [DOI: 10.1021/ic503075e] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Stefan Scheerer
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453 Konstanz, Germany
| | - Nils Rotthowe
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453 Konstanz, Germany
| | - Obadah S. Abdel-Rahman
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453 Konstanz, Germany
| | - Xiaoyan He
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, F-35042, Rennes Cedex, France
| | - Stéphane Rigaut
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, F-35042, Rennes Cedex, France
| | - Hana Kvapilová
- J. Heyrovský Institute of Physical Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, CZ-18223 Prague, Czech Republic
| | - Stanislav Záliš
- J. Heyrovský Institute of Physical Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, CZ-18223 Prague, Czech Republic
| | - Rainer F. Winter
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453 Konstanz, Germany
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23
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Kowalski K, Karpowicz R, Mlostoń G, Miesel D, Hildebrandt A, Lang H, Czerwieniec R, Therrien B. Synthesis and (spectro)electrochemistry of mixed-valent diferrocenyl–dihydrothiopyran derivatives. Dalton Trans 2015; 44:6268-76. [DOI: 10.1039/c5dt00246j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Cationic cyclic diferrocenyl–methane complexes display characteristic IVCT absorptions. These spectral features result from effective “through space” electronic communication between the metal centre in these mixed-valent dimetallic species.
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Affiliation(s)
- Konrad Kowalski
- Faculty of Chemistry
- Department of Organic Chemistry
- University of Łódź
- PL-91403 Łódź
- Poland
| | - Rafał Karpowicz
- Faculty of Chemistry
- Department of Organic Chemistry
- University of Łódź
- PL-91403 Łódź
- Poland
| | - Grzegorz Mlostoń
- Faculty of Chemistry
- Department of Organic and Applied Chemistry
- University of Łódź
- PL-91403 Łódź
- Poland
| | - Dominique Miesel
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Department of Inorganic Chemistry
- D-09107 Chemnitz
| | - Alexander Hildebrandt
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Department of Inorganic Chemistry
- D-09107 Chemnitz
| | - Heinrich Lang
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Department of Inorganic Chemistry
- D-09107 Chemnitz
| | - Rafał Czerwieniec
- Universität Regensburg
- Institut für Physikalische und Theoretische Chemie
- D-93040 Regensburg
- Germany
| | - Bruno Therrien
- Institute of Chemistry
- University of Neuchatel
- CH-2000 Neuchatel
- Switzerland
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24
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Tahara K, Nakakita T, Katao S, Kikuchi JI. Organic mixed valency in quadruple hydrogen-bonded triarylamine dimers bearing ureido pyrimidinedione moieties. Chem Commun (Camb) 2014; 50:15071-4. [PMID: 25329494 DOI: 10.1039/c4cc06779g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Quadruple hydrogen-bonding interactions stabilized the mixed-valence states of dimers of triarylamine derivatives bearing an ureido pyrimidinedione moiety without any electronic coupling. This study represents the first example of proton-coupled "organic" mixed valency in solution with different substituents being used to control the stability.
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Affiliation(s)
- Keishiro Tahara
- Graduate School of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5, Takayama, Ikoma, Nara 6300192, Japan
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25
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Lee SH, Chan CTL, Wong KMC, Lam WH, Kwok WM, Yam VWW. Synthesis and photoinduced electron transfer in platinum(ii) bis(N-(4-ethynylphenyl)carbazole)bipyridine fullerene complexes. Dalton Trans 2014; 43:17624-34. [DOI: 10.1039/c4dt01397b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Lee SH, Chan CTL, Wong KMC, Lam WH, Kwok WM, Yam VWW. Design and Synthesis of Bipyridine Platinum(II) Bisalkynyl Fullerene Donor–Chromophore–Acceptor Triads with Ultrafast Charge Separation. J Am Chem Soc 2014; 136:10041-52. [DOI: 10.1021/ja5040073] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Sai-Ho Lee
- Department
of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
| | - Chris Tsz-Leung Chan
- Department
of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong
Kong, P.R. China
| | - Keith Man-Chung Wong
- Department
of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
| | - Wai Han Lam
- Department
of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
| | - Wai-Ming Kwok
- Department
of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong
Kong, P.R. China
| | - Vivian Wing-Wah Yam
- Department
of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
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27
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Gatri R, Ouerfelli I, Efrit ML, Serein-Spirau F, Lère-Porte JP, Valvin P, Roisnel T, Bivaud S, Akdas-Kilig H, Fillaut JL. Supramolecular Ruthenium–Alkynyl Multicomponent Architectures: Engineering, Photophysical Properties, and Responsiveness to Nitroaromatics. Organometallics 2014. [DOI: 10.1021/om400811z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Rafik Gatri
- Laboratoire de Synthèse Organique et
Hétérocyclique, Département de Chimie, Faculté
des Sciences de Tunis, Campus Universitaire, Université Tunis El Manar 2, 2092 Tunis, Tunisia
- Institut des Sciences chimiques de Rennes, UMR 6226 CNRS-Université Rennes 1, Avenue du Général
Leclerc, 35042 Rennes
cedex, France
| | - Ines Ouerfelli
- Laboratoire de Synthèse Organique et
Hétérocyclique, Département de Chimie, Faculté
des Sciences de Tunis, Campus Universitaire, Université Tunis El Manar 2, 2092 Tunis, Tunisia
- Institut des Sciences chimiques de Rennes, UMR 6226 CNRS-Université Rennes 1, Avenue du Général
Leclerc, 35042 Rennes
cedex, France
| | - Mohamed Lofti Efrit
- Laboratoire de Synthèse Organique et
Hétérocyclique, Département de Chimie, Faculté
des Sciences de Tunis, Campus Universitaire, Université Tunis El Manar 2, 2092 Tunis, Tunisia
| | - Françoise Serein-Spirau
- AM2N UMR 5253 CNRS-Ecole Nationale de Chimie de Montpellier (ENSCM), 8 rue de l’Ecole Normale, 34296 Montpellier cedex 5, France
| | - Jean-Pierre Lère-Porte
- AM2N UMR 5253 CNRS-Ecole Nationale de Chimie de Montpellier (ENSCM), 8 rue de l’Ecole Normale, 34296 Montpellier cedex 5, France
| | - Pierre Valvin
- Laboratoire Charles
Coulomb UMR 5221 CNRS-UM2,
Département Semiconducteurs Matériaux et Capteurs, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier cedex 5, France
| | - Thierry Roisnel
- Institut des Sciences chimiques de Rennes, UMR 6226 CNRS-Université Rennes 1, Avenue du Général
Leclerc, 35042 Rennes
cedex, France
| | - Sébastien Bivaud
- Institut des Sciences chimiques de Rennes, UMR 6226 CNRS-Université Rennes 1, Avenue du Général
Leclerc, 35042 Rennes
cedex, France
| | - Huriye Akdas-Kilig
- Institut des Sciences chimiques de Rennes, UMR 6226 CNRS-Université Rennes 1, Avenue du Général
Leclerc, 35042 Rennes
cedex, France
| | - Jean-Luc Fillaut
- Institut des Sciences chimiques de Rennes, UMR 6226 CNRS-Université Rennes 1, Avenue du Général
Leclerc, 35042 Rennes
cedex, France
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28
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Canzi G, Goeltz JC, Henderson JS, Park RE, Maruggi C, Kubiak CP. On the observation of intervalence charge transfer bands in hydrogen-bonded mixed-valence complexes. J Am Chem Soc 2014; 136:1710-3. [PMID: 24437710 DOI: 10.1021/ja410540m] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Ruthenium clusters of the type [Ru3(μ3-O)(OAc)6(CO)(L)(nic)], where L = 4-dimethylaminopyridine (dmap) and nic = isonicotinic acid, form hydrogen-bonded mixed-valence dimers upon a single electron reduction. Electrochemical responses show two overlapping reduction waves, indicating the presence of a thermodynamically stable mixed-valence dimer with considerable electronic coupling across the hydrogen bond. Electronic spectra of the singly reduced hydrogen-bonded mixed-valence dimer reveal two intervalence charge transfer bands in the near-infrared region consistent with a Robin-Day class II system. These bands are assigned as metal-to-metal and metal-to-bridge charge transfer, and their behavior is best described by a semiclassical three state model. Infrared spectroscopy suggests localized behavior indicating electron transfer between the two clusters is slower than 10(10) s(-1).
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Affiliation(s)
- Gabriele Canzi
- Department of Chemistry and Biochemistry, University of California San Diego , 9500 Gilman Dr. MC 0358, La Jolla, California 92093-0358, United States
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29
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Tian LY, Liu YM, Tian GX, Wu XH, Li Z, Kou JF, Ou YP, Liu SH, Fu WF. Bimetallic ruthenium complexes bridged by divinylphenylene bearing oligo(ethylene glycol)methylether: synthesis, (spectro)electrochemistry and the lithium cation effect. Dalton Trans 2014; 43:4093-101. [DOI: 10.1039/c3dt52677a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Spectroelectrochemistry: A valuable tool for the study of organometallic-alkyne, -vinylidene, -cumulene, -alkynyl and related complexes. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.01.143] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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31
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Naeem S, Ribes A, White AJP, Haque MN, Holt KB, Wilton-Ely JDET. Multimetallic Complexes and Functionalized Nanoparticles Based on Oxygen- and Nitrogen-Donor Combinations. Inorg Chem 2013; 52:4700-13. [DOI: 10.1021/ic400335y] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Saira Naeem
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7
2AZ, U.K
| | - Angela Ribes
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7
2AZ, U.K
| | - Andrew J. P. White
- Department of Chemistry, Imperial College London, South Kensington Campus, London SW7
2AZ, U.K
| | - Mohammed N. Haque
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K
| | - Katherine B. Holt
- Department
of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, U.K
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32
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Wilkinson LA, McNeill L, Meijer AJHM, Patmore NJ. Mixed Valency in Hydrogen Bonded ‘Dimers of Dimers’. J Am Chem Soc 2013; 135:1723-6. [DOI: 10.1021/ja312176x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Luke A. Wilkinson
- Department of Chemistry, University of Sheffield, Sheffield, S3 7HF, U.K
| | - Laura McNeill
- Department of Chemistry, University of Sheffield, Sheffield, S3 7HF, U.K
| | | | - Nathan J. Patmore
- Department of Chemistry, University of Sheffield, Sheffield, S3 7HF, U.K
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33
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Baruah PK, Khan S. Self-complementary quadruple hydrogen bonding motifs: from design to function. RSC Adv 2013. [DOI: 10.1039/c3ra43814g] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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34
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Jia AQ, Ma Q, Chen Q, Shi HT, Leung WH, Zhang QF. Synthesis and characterization of ruthenium complexes with 1-aryl-2-mercaptoimidazole ligands. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.01.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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35
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Wuttke E, Pevny F, Hervault YM, Norel L, Drescher M, Winter RF, Rigaut S. Fully Delocalized (Ethynyl)(vinyl)phenylene Bridged Triruthenium Complexes in up to Five Different Oxidation States. Inorg Chem 2012; 51:1902-15. [DOI: 10.1021/ic2022177] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Evelyn Wuttke
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453
Konstanz, Germany
| | - Florian Pevny
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453
Konstanz, Germany
| | - Yves-Marie Hervault
- Sciences
Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, F-35042, Rennes Cedex,
France
| | - Lucie Norel
- Sciences
Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, F-35042, Rennes Cedex,
France
| | - Malte Drescher
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453
Konstanz, Germany
| | - Rainer F. Winter
- Fachbereich Chemie, Universität Konstanz, Universitätsstraße 10, D-78453
Konstanz, Germany
| | - Stéphane Rigaut
- Sciences
Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, F-35042, Rennes Cedex,
France
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36
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Patel P, Naeem S, White AJP, Wilton-Ely JDET. Synthesis and reactivity of dialkyldithiophosphate complexes of ruthenium(ii). RSC Adv 2012. [DOI: 10.1039/c1ra00973g] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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37
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Oliveira BG, Araújo RCMU. Theoretical aspects of binary and ternary complexes of aziridine···ammonia ruled by hydrogen bond strength. J Mol Model 2011; 18:2845-54. [PMID: 22127607 DOI: 10.1007/s00894-011-1300-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Accepted: 11/02/2011] [Indexed: 11/27/2022]
Abstract
B3LYP calculations, ChelpG atomic charges, and quantum theory of atoms in molecules (QTAIM) integrations were used to investigate the binary (1:1) and ternary (1:2) hydrogen-bonded complexes formed by aziridine (1) and ammonia (2). In a series of analysis, geometry data, electronic parameters, vibrational oscillators, and topological descriptors were used to evaluate hydrogen bond strength, and additionally to determine the more prominent molecular deformations upon the formation of C(2)H(5)N···NH(3) (1:1) and C(2)H(5)N···2NH(3) (1:2) systems. Taking a spectroscopic viewpoint, results obtained from analysis of the harmonic infrared spectrum were examined. From these, new vibrational modes and red- and blue-shifts related to the stretch frequencies of either donors or acceptors of protons were identified. Furthermore, the molecular topology of the electronic density modeled in accord with QTAIM was absolutely critical in defining bond critical points (BCP) and ring critical points (RCP) on the heterocyclic structures. Taking all the results together allowed us to identify and characterize all the N···H hydrogen bonds, as well as the strain ring of the aziridine and its stability.
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Affiliation(s)
- Boaz G Oliveira
- Instituto de Ciências Ambientais e Desenvolvimento Sustentável, Universidade Federal da Bahia, Barreiras, Brazil.
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38
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Chen J, Sung HHY, Williams ID, Jia G. Hydrolysis of Osmium and Ruthenium Carbyne Complexes. Organometallics 2011. [DOI: 10.1021/om200685v] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Jiangxi Chen
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong
| | - Herman Ho-Yung Sung
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong
| | - Ian Duncan Williams
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong
| | - Guochen Jia
- Department of Chemistry, The Hong Kong University of Science and Technology,
Clear Water Bay, Kowloon, Hong Kong
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39
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Electron delocalization in vinyl ruthenium substituted cyclophanes: Assessment of the through-space and the through-bond pathways. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.06.028] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Design of bis(acylamino)triazine containing ruthenium–acetylides as self-complementary supramolecular units. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2010.09.047] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Naeem S, Thompson AL, White AJP, Delaude L, Wilton-Ely JDET. Dithiocarboxylate complexes of ruthenium(ii) and osmium(ii). Dalton Trans 2011; 40:3737-47. [DOI: 10.1039/c1dt10048c] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Pevny F, Winter RF, Sarkar B, Zális S. How to elucidate and control the redox sequence in vinylbenzoate and vinylpyridine bridged diruthenium complexes. Dalton Trans 2010; 39:8000-11. [PMID: 20664886 DOI: 10.1039/c0dt00164c] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Vinylbenzoate-bridged diruthenium complexes (RHC=CH)(CO)(P(i)Pr(3))(2)Ru(mu-4-OOCC(6)H(4)-CH=CH)RuCl(CO)(P(i)Pr(3))(2) (R = Ph, 3a or CF(3), 3b) and vinylpyridine-bridged (eta(6)-p-cymene)Cl(2)Ru(mu-NC(5)H(4)-4-CH=CH)RuCl(CO)(P(i)Pr(3))(2) (3c) have been prepared from their monoruthenium precursors and investigated with respect to the sequence of the individual redox steps and electron delocalization in their partially and fully oxidized states. Identification of the primary redox sites rests on the trends in redox potentials and the EPR, IR and Vis/NIR signatures of the oxidized radical cations and is correctly reproduced by quantum chemical investigations. Our results indicate that the trifluoropropenyl complex 3b has an inverse FMO level ordering (Ru1-bridge-Ru2 > terminal vinyl-Ru1 site) when compared to its styryl substituted counterpart 3a such that the primary oxidation site in these systems can be tuned by the choice of the terminal alkenyl ligand. It is further shown that the vinylbenzoate bridge is inferior to the vinylpyridine one with regard to charge and spin delocalization at the radical cation level. According to quantum chemical calculations, the doubly oxidized forms of these complexes have triplet diradical ground states and feature two interconnected oxidized vinyl ruthenium subunits.
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Affiliation(s)
- Florian Pevny
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstrasse 31, D-93040, Regensburg, Germany
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Olivier C, Costuas K, Choua S, Maurel V, Turek P, Saillard JY, Touchard D, Rigaut S. “Chain-Like” Trimetallic Ruthenium Complexes with C7 Carbon-Rich Bridges: Experimental and Theoretical Investigations of Electronic Communication Tuning in Five Distinct Oxidation States. J Am Chem Soc 2010; 132:5638-51. [DOI: 10.1021/ja908948g] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Céline Olivier
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Karine Costuas
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Sylvie Choua
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Vincent Maurel
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Philippe Turek
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Jean-Yves Saillard
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Daniel Touchard
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
| | - Stéphane Rigaut
- UMR 6226 CNRS−Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France, and UMR 7177 CNRS−Université de Strasbourg, Institut de Chimie, 1 rue Blaise Pascal, BP 296 R8, F-67008 Strasbourg Cedex, France
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Wu W, Wu W, Ji S, Guo H, Song P, Han K, Chi L, Shao J, Zhao J. Tuning the emission properties of cyclometalated platinum(II) complexes by intramolecular electron-sink/arylethynylated ligands and its application for enhanced luminescent oxygen sensing. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm01794a] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Vacher A, Benameur A, Ndiaye CM, Touchard D, Rigaut S. Linked C7 Carbon-Rich Bridges: A New Dimension for Ruthenium Redox-Active Organometallics. Organometallics 2009. [DOI: 10.1021/om9006449] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Antoine Vacher
- UMR 6226 CNRS-Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France
| | - Ahmed Benameur
- UMR 6226 CNRS-Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France
| | - Cheikh Mbacké Ndiaye
- UMR 6226 CNRS-Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France
| | - Daniel Touchard
- UMR 6226 CNRS-Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France
| | - Stéphane Rigaut
- UMR 6226 CNRS-Université de Rennes 1, Sciences Chimiques de Rennes, Campus de Beaulieu, F-35042 Rennes Cedex, France
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Kowalski K, Linseis M, Winter RF, Zabel M, Záliš S, Kelm H, Krüger HJ, Sarkar B, Kaim W. Charge Delocalization in a Heterobimetallic Ferrocene−(Vinyl)Ru(CO)Cl(PiPr3)2 System†Dedicated to Prof. Dr. Helmut Werner on the occasion of his 75th birthday. Organometallics 2009. [DOI: 10.1021/om9002945] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Konrad Kowalski
- Department of Organic Chemistry, Faculty of Chemistry, University of Łódź, Narutowicza 68, 90-136 Łódź, Poland
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstrasse 31, D-93040 Regensburg, Germany
| | - Michael Linseis
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstrasse 31, D-93040 Regensburg, Germany
| | - Rainer F. Winter
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstrasse 31, D-93040 Regensburg, Germany
| | - Manfred Zabel
- Institut für Anorganische Chemie der Universität Regensburg, Universitätsstrasse 31, D-93040 Regensburg, Germany
| | - Stanislav Záliš
- Heyrovský Institute of Physical Chemistry v.v.i., Academy of Science of the Czech Republic, 18223 Prague, Czech Republic
| | - Harald Kelm
- Fachbereich Chemie der TU Kaiserslautern, Erwin-Schrödinger-Strasse, D-67663 Kaiserslautern, Germany
| | - Hans-Jörg Krüger
- Fachbereich Chemie der TU Kaiserslautern, Erwin-Schrödinger-Strasse, D-67663 Kaiserslautern, Germany
| | - Biprajit Sarkar
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring, D-70569 Stuttgart, Germany
| | - Wolfgang Kaim
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring, D-70569 Stuttgart, Germany
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