1
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Mongioví C, Crini G, Gabrion X, Placet V, Blondeau-Patissier V, Krystianiak A, Durand S, Beaugrand J, Dorlando A, Rivard C, Gautier L, Ribeiro ARL, Lacalamita D, Martel B, Staelens JN, Ivanovska A, Kostić M, Heintz O, Bradu C, Raschetti M, Morin-Crini N. Revealing the adsorption mechanism of copper on hemp-based materials through EDX, nano-CT, XPS, FTIR, Raman, and XANES characterization techniques. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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2
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Xue Q, Ng BKY, Man HW, Wu TS, Soo YL, Li MM, Kawaguchi S, Wong KY, Tsang SCE, Huang B, Lo TWB. Controlled synthesis of Bi- and tri-nuclear Cu-oxo nanoclusters on metal-organic frameworks and the structure-reactivity correlations. Chem Sci 2021; 13:50-58. [PMID: 35059150 PMCID: PMC8694280 DOI: 10.1039/d1sc05495c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/28/2021] [Indexed: 12/16/2022] Open
Abstract
Precisely tuning the nuclearity of supported metal nanoclusters is pivotal for designing more superior catalytic systems, but it remains practically challenging. By utilising the chemical and molecular specificity of UiO-66-NH2 (a Zr-based metal-organic framework), we report the controlled synthesis of supported bi- and trinuclear Cu-oxo nanoclusters on the Zr6O4 nodal centres of UiO-66-NH2. We revealed the interplay between the surface structures of the active sites, adsorption configurations, catalytic reactivities and associated reaction energetics of structurally related Cu-based 'single atoms' and bi- and trinuclear species over our model photocatalytic formic acid reforming reaction. This work will offer practical insight that fills the critical knowledge gap in the design and engineering of new-generation atomic and nanocluster catalysts. The precise control of the structure and surface sensitivities is important as it can effectively lead to more reactive and selective catalytic systems. The supported bi- and trinuclear Cu-oxo nanoclusters exhibit notably different catalytic properties compared with the mononuclear 'Cu1' analogue, which provides critical insight for the engineering of more superior catalytic systems.
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Affiliation(s)
- Qi Xue
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University Hong Kong China
- The Hong Kong Polytechnic University Shenzhen Research Institute, The Hong Kong Polytechnic University Shenzhen China
| | - Bryan Kit Yue Ng
- Department of Chemistry, Wolfson Catalysis Centre, University of Oxford Oxford OX1 3QR UK
| | - Ho Wing Man
- The Hong Kong Polytechnic University Shenzhen Research Institute, The Hong Kong Polytechnic University Shenzhen China
| | - Tai-Sing Wu
- National Synchrotron Radiation Research Center 101 Hsin-Ann Road Hsinchu 30076 Taiwan
| | - Yun-Liang Soo
- Department of Physics, National Tsing Hua University Hsinchu 30013 Taiwan
| | - Molly Mengjung Li
- Department of Applied Physics, The Hong Kong Polytechnic University Kowloon Hong Kong China
| | - Shogo Kawaguchi
- Japan Synchrotron Radiation Research Institute (JASRI), SPring-8 1-1-1 Kouto, Sayo-cho, Sayo-gun Hyogo 679-5198 Japan
| | - Kwok Yin Wong
- The Hong Kong Polytechnic University Shenzhen Research Institute, The Hong Kong Polytechnic University Shenzhen China
| | - Shik Chi Edman Tsang
- Department of Chemistry, Wolfson Catalysis Centre, University of Oxford Oxford OX1 3QR UK
| | - Bolong Huang
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University Hong Kong China
- The Hong Kong Polytechnic University Shenzhen Research Institute, The Hong Kong Polytechnic University Shenzhen China
| | - Tsz Woon Benedict Lo
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University Hong Kong China
- The Hong Kong Polytechnic University Shenzhen Research Institute, The Hong Kong Polytechnic University Shenzhen China
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3
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Kircheva N, Dobrev S, Nikolova V, Angelova S, Dudev T. Zinc and Its Critical Role in Retinitis pigmentosa: Insights from DFT/SMD Calculations. Inorg Chem 2020; 59:17347-17355. [DOI: 10.1021/acs.inorgchem.0c02664] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Nikoleta Kircheva
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Stefan Dobrev
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Valya Nikolova
- Faculty of Chemistry and Pharmacy, Sofia University “St. Kl. Ohridski”, 1164 Sofia, Bulgaria
| | - Silvia Angelova
- Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Todor Dudev
- Faculty of Chemistry and Pharmacy, Sofia University “St. Kl. Ohridski”, 1164 Sofia, Bulgaria
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4
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H. Haeri H, Jerschabek V, Sadeghi A, Hinderberger D. Copper–Calcium Poly(Acrylic Acid) Composite Hydrogels as Studied by Electron Paramagnetic Resonance (EPR) Spectroscopy. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000262] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Haleh H. Haeri
- Institut für Chemie Martin‐Luther‐Universität Halle‐Wittenberg Von‐Danckelmann‐Platz 4 Halle (Saale) 06120 Germany
| | - Vanessa Jerschabek
- Institut für Chemie Martin‐Luther‐Universität Halle‐Wittenberg Von‐Danckelmann‐Platz 4 Halle (Saale) 06120 Germany
| | - Arash Sadeghi
- Institut für Chemie Martin‐Luther‐Universität Halle‐Wittenberg Von‐Danckelmann‐Platz 4 Halle (Saale) 06120 Germany
| | - Dariush Hinderberger
- Institut für Chemie Martin‐Luther‐Universität Halle‐Wittenberg Von‐Danckelmann‐Platz 4 Halle (Saale) 06120 Germany
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5
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Persson I, Lundberg D, Bajnóczi ÉG, Klementiev K, Just J, Sigfridsson Clauss KGV. EXAFS Study on the Coordination Chemistry of the Solvated Copper(II) Ion in a Series of Oxygen Donor Solvents. Inorg Chem 2020; 59:9538-9550. [PMID: 32614569 PMCID: PMC7467664 DOI: 10.1021/acs.inorgchem.0c00403] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
The
structures of the solvated copper(II) ion in water and nine organic
oxygen donor solvents with similar electron-pair donor ability, but
with different space-demanding properties at coordination, have been
studied by EXAFS. N,N′-Dimethylpropyleneurea
and N,N,N′,N′-tetramethylurea are sufficiently
space demanding at coordination to make the axial positions not accessible,
resulting in square-planar copper(II) solvate complexes with an intense
green color. The mean Cu–O bond distances in these two solvate
complexes are 1.939(3) and 1.935(3) Å, respectively. The best
fits of the remaining solvates, which are light blue in different
hues, are obtained with a Jahn–Teller distorted-octahedral
model consisting of four strongly bound solvent molecules in the equatorial
positions at 1.96(2) Å and two in the axial positions but with
different Cu–Oax bond distances: ca. 2.15 and 2.32
Å. This is in agreement with observations in solid-state structures
of compounds containing hexaaquacopper(II) complexes crystallizing
in noncentrosymmetric space groups and all reported crystal structures
containing a [Cu(H2O)5(O-ligand)] complex with
Jahn–Teller distortion. Such a structure is in agreement with
previous EPR and EXAFS studies proving the hydrated copper(II) ion
to be a noncentrosymmetric complex in aqueous solution. The refinements
of the EXAFS data of the solids [Cu(H2O)6](ClO4)2, [Cu(H2O)6](BrO3)2, [Cu(H2O)6]SiF6, Cu(NO3)2·2.5H2O, and CuSO4·5H2O gave Cu–O bond distances significantly
different from those reported in the crystallographic studies but
similar to the configuration and bond distances in the hydrated copper(II)
ion in aqueous solution. This may depend on whether the orientation
of the axial positions is random in one or three dimensions, giving
a mean structure of the solid with symmetry higher than that of the
individual complexes. This study presents the very first experimental
data from the new X-ray absorption spectroscopy beamline Balder at
the MAX IV synchrotron radiation facility in Lund, Sweden, as well
as the utilized properties of the beamline. The coordination chemistry of the solvated copper(II) ion
has been studied in 10 solvents, including water. The copper(II) ion
has a noncentrosymmetric Jahn−Teller distorted-octahedral geometry
with the axial Cu−O bond distances differing by ca. 0.2 Å.
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Affiliation(s)
- Ingmar Persson
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden
| | - Daniel Lundberg
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden
| | - Éva G Bajnóczi
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-750 07 Uppsala, Sweden
| | | | - Justus Just
- MAX IV Laboratory, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
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6
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Maire du Poset A, Zitolo A, Cousin F, Assifaoui A, Lerbret A. Evidence for an egg-box-like structure in iron(ii)–polygalacturonate hydrogels: a combined EXAFS and molecular dynamics simulation study. Phys Chem Chem Phys 2020; 22:2963-2977. [DOI: 10.1039/c9cp04065j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The coordination of Fe(ii) with polygalacturonic acid (polyGalA) in Fe(ii)–polyGalA hydrogels exhibits an octahedral geometry that follows the “egg-box model”.
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Affiliation(s)
| | - Andrea Zitolo
- Synchrotron SOLEIL
- L’Orme des Merisiers
- BP 48 St Aubin
- 91192 Gif-sur-Yvette
- France
| | - Fabrice Cousin
- Laboratoire Léon Brillouin
- Université Paris-Saclay
- CEA-Saclay
- 91191 Gif-sur-Yvette
- France
| | - Ali Assifaoui
- Univ. Bourgogne Franche-Comté
- AgroSup Dijon
- PAM UMR A 02.102
- F-21000 Dijon
- France
| | - Adrien Lerbret
- Univ. Bourgogne Franche-Comté
- AgroSup Dijon
- PAM UMR A 02.102
- F-21000 Dijon
- France
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7
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Saputri WD, Wijaya K, Pranowo HD, Hofer TS. The Jahn-Teller effect in mixed aqueous solution: the solvation of Cu2+ in 18.6% aqueous ammonia obtained from ab initio quantum mechanical charge field molecular dynamics. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2018-1115] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Abstract
The solvation structure and dynamics of Cu2+ in 18.6 % aqueous ammonia have been investigated using an ab initio quantum mechanical charge field molecular dynamics (QMCF MD) simulation approach at the Hartree–Fock (HF) level of theory applying the LANL2DZ ECP and Dunning DZP basis sets for Cu2+, ammonia and water, respectively. During a simulation time of 20 ps, only NH3 molecules are observed within the first solvation shell of Cu2+, resulting in the formation of an octahedral [Cu(NH3)6]2+ complex. While no exchange of these ligands with the second solvation shell are observed along the simulation, the monitoring of the associated N-Ntrans distances highlight the dynamics of the associated Jahn-Teller distortions, showing on average 2 elongated axial (2.19 Å) and 4 equatorial Cu–N bonds (2.39 Å). The observed structural properties are found in excellent agreement with experimental studies. In addition, an NBO analysis was carried out, confirming the strong electrostatic character of the Cu2+–NH3 interaction.
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Affiliation(s)
- Wahyu Dita Saputri
- Department of Chemistry , Universitas Gadjah Mada , Yogyakarta , Indonesia
- Austrian-Indonesian Centre for Computational Chemistry , Universitas Gadjah Mada , Yogyakarta , Indonesia
| | - Karna Wijaya
- Department of Chemistry , Universitas Gadjah Mada , Yogyakarta , Indonesia
| | - Harno Dwi Pranowo
- Department of Chemistry , Universitas Gadjah Mada , Yogyakarta , Indonesia
- Austrian-Indonesian Centre for Computational Chemistry , Universitas Gadjah Mada , Yogyakarta , Indonesia
| | - Thomas S. Hofer
- University of Innsbruck , Theoretical Chemistry Division , Innsbruck , Austria
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8
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Honarparvar B, Kanchi S, Bisetty K. Theoretical insights into the competitive metal bioaffinity of lactoferrin as a metal ion carrier: a DFT study. NEW J CHEM 2019. [DOI: 10.1039/c9nj03786a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Metal–protein complexes, specifically lactoferrin (Lf), an iron-binding glycoprotein found naturally in milk and several other body fluids play a pivotal role in all living organisms.
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Affiliation(s)
- Bahareh Honarparvar
- Department of Chemistry
- Durban University of Technology
- Durban 4000
- South Africa
| | - Suvardhan Kanchi
- Department of Chemistry
- Durban University of Technology
- Durban 4000
- South Africa
| | - Krishna Bisetty
- Department of Chemistry
- Durban University of Technology
- Durban 4000
- South Africa
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9
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Monjaraz-Rodríguez A, Rodriguez-Bautista M, Garza J, Zubillaga RA, Vargas R. Coordination numbers in hydrated Cu(II) ions. J Mol Model 2018; 24:187. [DOI: 10.1007/s00894-018-3725-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 06/15/2018] [Indexed: 11/24/2022]
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10
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Frank P, Benfatto M, Qayyum M. [Cu(aq)] 2+ is structurally plastic and the axially elongated octahedron goes missing. J Chem Phys 2018; 148:204302. [PMID: 29865827 DOI: 10.1063/1.5024693] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
High resolution (k = 18 Å-1 or k = 17 Å-1) copper K-edge EXAFS and MXAN (Minuit X-ray Absorption Near Edge) analyses have been used to investigate the structure of dissolved [Cu(aq)]2+ in 1,3-propanediol (1,3-P) or 1,5-pentanediol (1,5-P) aqueous frozen glasses. EXAFS analysis invariably found a single axially asymmetric 6-coordinate (CN6) site, with 4×Oeq = 1.97 Å, Oax1 = 2.22 Å, and Oax2 = 2.34 Å, plus a second-shell of 4×Owater = 3.6 Å. However, MXAN analysis revealed that [Cu(aq)]2+ occupies both square pyramidal (CN5) and axially asymmetric CN6 structures. The square pyramid included 4×H2O = 1.95 Å and 1×H2O = 2.23 Å. The CN6 sites included either a capped, near perfect, square pyramid with 5×H2O = 1.94 ± 0.04 Å and H2Oax = 2.22 Å (in 1,3-P) or a split axial configuration with 4×H2O = 1.94, H2Oax1 = 2.14 Å, and H2Oax2 = 2.28 Å (in 1,5-P). The CN6 sites also included an 8-H2O second-shell near 3.7 Å, which was undetectable about the strictly pyramidal sites. Equatorial angles averaging 94° ± 5° indicated significant departures from tetragonal planarity. MXAN assessment of the solution structure of [Cu(aq)]2+ in 1,5-P prior to freezing revealed the same structures as previously found in aqueous 1M HClO4, which have become axially compressed in the frozen glasses. [Cu(aq)]2+ in liquid and frozen solutions is dominated by a 5-coordinate square pyramid, but with split axial CN6 appearing in the frozen glasses. Among these phases, the Cu-O axial distances vary across 1 Å, and the equatorial angles depart significantly from the square plane. Although all these structures remove the dx2-y2 , dz2 degeneracy, no structure can be described as a Jahn-Teller (JT) axially elongated octahedron. The JT-octahedral description for dissolved [Cu(aq)]2+ should thus be abandoned in favor of square pyramidal [Cu(H2O)5]2+. The revised ligand environments have bearing on questions of the Cu(i)/Cu(ii) self-exchange rate and on the mechanism for ligand exchange with bulk water. The plasticity of dissolved Cu(ii) complex ions falsifies the foundational assumption of the rack-induced bonding theory of blue copper proteins and obviates any need for a thermodynamically implausible protein constraint.
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Affiliation(s)
- Patrick Frank
- Department of Chemistry, Stanford University, Stanford, California 94305, USA
| | - Maurizio Benfatto
- Laboratori Nazionali di Frascati-INFN, P.O. Box 13, 00044 Frascati, Italy
| | - Munzarin Qayyum
- Department of Chemistry, Stanford University, Stanford, California 94305, USA
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11
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Bukharov MS, Shtyrlin VG, Gilyazetdinov EM, Serov NY, Madzhidov TI. Hydration of copper(II) amino acids complexes. J Comput Chem 2017; 39:821-826. [DOI: 10.1002/jcc.25154] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 12/12/2017] [Accepted: 12/13/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Mikhail S. Bukharov
- Kazan Federal University, A. M. Butlerov Chemistry Institute, 18 Kremlevskaya St; Kazan 420008 Russian Federation
| | - Valery G. Shtyrlin
- Kazan Federal University, A. M. Butlerov Chemistry Institute, 18 Kremlevskaya St; Kazan 420008 Russian Federation
| | - Edward M. Gilyazetdinov
- Kazan Federal University, A. M. Butlerov Chemistry Institute, 18 Kremlevskaya St; Kazan 420008 Russian Federation
| | - Nikita Yu. Serov
- Kazan Federal University, A. M. Butlerov Chemistry Institute, 18 Kremlevskaya St; Kazan 420008 Russian Federation
| | - Timur I. Madzhidov
- Kazan Federal University, A. M. Butlerov Chemistry Institute, 18 Kremlevskaya St; Kazan 420008 Russian Federation
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12
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Affiliation(s)
- Stanley K. A. Opare
- Department of Chemistry, University of Calgary, 2500 University Drive Northwest, Calgary, Alberta, Canada T2N 1N4
| | - Arvi Rauk
- Department of Chemistry, University of Calgary, 2500 University Drive Northwest, Calgary, Alberta, Canada T2N 1N4
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13
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Mizrahi A, Maimon E, Cohen H, Kornweitz H, Zilbermann I, Meyerstein D. Mechanistic Studies on the Role of [Cu II (CO 3 ) n ] 2-2n as a Water Oxidation Catalyst: Carbonate as a Non-Innocent Ligand. Chemistry 2017; 24:1088-1096. [PMID: 28921692 DOI: 10.1002/chem.201703742] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Indexed: 11/05/2022]
Abstract
Recently it was reported that copper bicarbonate/carbonate complexes are good electro-catalysts for water oxidation. However, the results did not enable a decision whether the active oxidant is a CuIII or a CuIV complex. Kinetic analysis of pulse radiolysis measurements coupled with DFT calculations point out that CuIII (CO3 )n3-2n complexes are the active intermediates in the electrolysis of CuII (CO3 )n2-2n solution. The results enable the evaluation of E°[(CuIII/II (CO3 )n )aq ]≈1.42 V versus NHE at pH 8.4. This redox potential is in accord with the electrochemical report. As opposed to literature suggestions for water oxidation, the present results rule out single-electron transfer from CuIII (CO3 )n3-2n to yield hydroxyl radicals. Significant charge transfer from the coordinated carbonate to CuIII results in the formation of C2 O62- by means of a second-order reaction of CuIII (CO3 )n3-2n . The results point out that carbonate stabilizes transition-metal cations at high oxidation states, not only as a good sigma donor, but also as a non-innocent ligand.
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Affiliation(s)
- Amir Mizrahi
- Chemistry Department, Nuclear Research Centre Negev Beer-Sheva, Israel
| | - Eric Maimon
- Chemistry Department, Nuclear Research Centre Negev Beer-Sheva, Israel.,Chemistry Department, Ben-Gurion University of the Negev Beer-Sheva, 84105, Israel
| | - Haim Cohen
- Chemical Sciences Department and the Schlesinger Family Center for, Compact Accelerators Radiation Sources and Applications, Ariel University, Ariel, Israel
| | - Haya Kornweitz
- Chemical Sciences Department, Ariel University, Ariel, Israel
| | - Israel Zilbermann
- Chemistry Department, Nuclear Research Centre Negev Beer-Sheva, Israel.,Chemistry Department, Ben-Gurion University of the Negev Beer-Sheva, 84105, Israel
| | - Dan Meyerstein
- Chemical Sciences Department and the Schlesinger Family Center for, Compact Accelerators Radiation Sources and Applications, Ariel University, Ariel, Israel.,Chemistry Department, Ben-Gurion University of the Negev Beer-Sheva, 84105, Israel
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14
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Highly compressed water structure observed in a perchlorate aqueous solution. Nat Commun 2017; 8:919. [PMID: 29030555 PMCID: PMC5715023 DOI: 10.1038/s41467-017-01039-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 08/07/2017] [Indexed: 11/09/2022] Open
Abstract
The discovery by the Phoenix Lander of calcium and magnesium perchlorates in Martian soil samples has fueled much speculation that flows of perchlorate brines might be the cause of the observed channeling and weathering in the surface. Here, we study the structure of a mimetic of Martian water, magnesium perchlorate aqueous solution at its eutectic composition, using neutron diffraction in combination with hydrogen isotope labeling and empirical potential structure refinement. We find that the tetrahedral structure of water is heavily perturbed, the effect being equivalent to pressurizing pure water to pressures of order 2 GPa or more. The Mg2+ and ClO4− ions appear charge-ordered, confining the water on length scales of order 9 Å, preventing ice formation at low temperature. This may explain the low evaporation rates and high deliquescence of these salt solutions, which are essential for stability within the low relative humidity environment of the Martian atmosphere. Significant amounts of different perchlorate salts have been discovered on the surface of Mars. Here, the authors show that magnesium perchlorate has a major impact on water structure in solution, providing insight into how an aqueous fluid might exist under the sub-freezing conditions present on Mars.
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15
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Galván-García EA, Agacino-Valdés E, Franco-Pérez M, Gómez-Balderas R. [Cu(H2O) n ]2+ (n = 1–6) complexes in solution phase: a DFT hierarchical study. Theor Chem Acc 2017. [DOI: 10.1007/s00214-017-2056-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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16
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Yao J, Chen Q, Sheng Y, Kai A, Liu H. pH-controlled crystal growth of copper/gemini surfactant complexes with bipyridine groups. CrystEngComm 2017. [DOI: 10.1039/c7ce01251a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
pH-controlled crystal growth of two copper complexes with different coordination modes is successfully manipulated by means of pH adjustment.
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Affiliation(s)
- Junyao Yao
- State Key Laboratory of Chemical Engineering
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai
- P.R. China
| | - Qibin Chen
- State Key Laboratory of Chemical Engineering
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai
- P.R. China
| | - Yujie Sheng
- State Key Laboratory of Chemical Engineering
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai
- P.R. China
| | - Aiting Kai
- State Key Laboratory of Chemical Engineering
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai
- P.R. China
| | - Honglai Liu
- State Key Laboratory of Chemical Engineering
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai
- P.R. China
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17
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Gaisin Z, Gellerman G, Meyerstein D. Penta-glycine copper(II) complexes in slightly alkaline solutions. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.05.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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18
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Bukharov MS, Shtyrlin VG, Mamin GV, Stapf S, Mattea C, Mukhtarov AS, Serov NY, Gilyazetdinov EM. Structure and Dynamics of Solvation Shells of Copper(II) Complexes with N,O-Containing Ligands. Inorg Chem 2015; 54:9777-84. [DOI: 10.1021/acs.inorgchem.5b01467] [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)
- Mikhail S. Bukharov
- A.M. Butlerov Chemistry Institute, Kazan Federal University, Kremlevskaya St. 18, 420008, Kazan, Russian Federation
| | - Valery G. Shtyrlin
- A.M. Butlerov Chemistry Institute, Kazan Federal University, Kremlevskaya St. 18, 420008, Kazan, Russian Federation
| | - Georgy V. Mamin
- Institute of Physics, Kazan Federal University, Kremlevskaya St. 18, 420008 Kazan, Russian Federation
| | - Siegfried Stapf
- Fachgebiet Technische Physik II/Polymerphysik,
Institute of Physics, Technische Universität Ilmenau, P.O. Box 100 565, 98684 Ilmenau, Germany
| | - Carlos Mattea
- Fachgebiet Technische Physik II/Polymerphysik,
Institute of Physics, Technische Universität Ilmenau, P.O. Box 100 565, 98684 Ilmenau, Germany
| | - Anvar Sh. Mukhtarov
- A.M. Butlerov Chemistry Institute, Kazan Federal University, Kremlevskaya St. 18, 420008, Kazan, Russian Federation
| | - Nikita Yu. Serov
- A.M. Butlerov Chemistry Institute, Kazan Federal University, Kremlevskaya St. 18, 420008, Kazan, Russian Federation
| | - Edward M. Gilyazetdinov
- A.M. Butlerov Chemistry Institute, Kazan Federal University, Kremlevskaya St. 18, 420008, Kazan, Russian Federation
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Rhodes CJ. The Diamond Light Source. Sci Prog 2015; 98:192-200. [PMID: 26288921 PMCID: PMC10365351 DOI: 10.3184/003685015x14309150946424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Regueiro-Figueroa M, Lima LMP, Blanco V, Esteban-Gómez D, de Blas A, Rodríguez-Blas T, Delgado R, Platas-Iglesias C. Reasons behind the Relative Abundances of Heptacoordinate Complexes along the Late First-Row Transition Metal Series. Inorg Chem 2014; 53:12859-69. [DOI: 10.1021/ic501869y] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Martín Regueiro-Figueroa
- Departamento
de Química Fundamental, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Luís M. P. Lima
- Instituto
de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Víctor Blanco
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad de Granada, Campus Fuentenueva S/N, 18071 Granada, Spain
| | - David Esteban-Gómez
- Departamento
de Química Fundamental, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Andrés de Blas
- Departamento
de Química Fundamental, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Teresa Rodríguez-Blas
- Departamento
de Química Fundamental, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Rita Delgado
- Instituto
de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Carlos Platas-Iglesias
- Departamento
de Química Fundamental, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain
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Bowron DT, Diaz Moreno S. Using synchrotron X-ray and neutron methods to investigate structural aspects of metal ion solvation and solution structure: An approach using empirical potential structure refinement. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2014.01.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Bukharov MS, Shtyrlin VG, Mukhtarov AS, Mamin GV, Stapf S, Mattea C, Krutikov AA, Il'in AN, Serov NY. Study of structural and dynamic characteristics of copper(ii) amino acid complexes in solutions by combined EPR and NMR relaxation methods. Phys Chem Chem Phys 2014; 16:9411-21. [DOI: 10.1039/c4cp00255e] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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