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Deb M, Hassan N, Chowdhury D, Sanfui MH, Roy S, Bhattacharjee C, Majumdar S, Chattopadhyay PK, Singha NR. Nontraditional Redox Active Aliphatic Luminescent Polymer for Ratiometric pH Sensing and Sensing-Removal-Reduction of Cu(II): Strategic Optimization of Composition. Macromol Rapid Commun 2022; 43:e2200317. [PMID: 35798327 DOI: 10.1002/marc.202200317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/11/2022] [Indexed: 11/11/2022]
Abstract
Here, redox active aliphatic luminescent polymers (ALPs) are synthesized via polymerization of N,N-dimethyl-2-propenamide (DMPA) and 2-methyl-2-propenoic acid (MPA). The structures and properties of the optimum ALP3, ALP3-aggregate and Cu(I)-ALP3, ratiometric pH sensing, redox activity, aggregation enhanced emission (AEE), Stokes shift, and oxygen-donor selective coordination-reduction of Cu(II) to Cu(I) are explored via spectroscopic, microscopic, density functional theory-reduced density gradient (DFT-RDG), fluorescence quenching, adsorption isotherm-thermodynamics, and electrochemical methods. The intense blue and green fluorescence of ALP3 emerges at pH = 7.0 and 9.0, respectively, due to alteration of fluorophores from -C(═O)N(CH3 )2 / -C(═O)OH to -C(O- )═N+ (CH3 )2 / -C(═O)O- , inferred from binding energies at 401.32 eV (-C(O- )═N+ (CH3 )2 ) and 533.08 eV (-C(═O)O- ), significant red shifting in absorption and emission spectra, and peak at 2154 cm-1 . The n-π* communications in ALP3-aggregate, hydrogen bondings within 2.34-2.93 Å (intramolecular) in ALP3 and within 1.66-2.89 Å (intermolecular) in ALP3-aggregate, respectively, contribute significantly in fluorescence, confirmed from NMR titration, ratiometric pH sensing, AEE, excitation dependent emission, and Stokes shift and DFT-RDG analyses. For ALP3, Stokes shift, excellent limit of detection, adsorption capacity, and redox potentials are 13561 cm-1 /1.68 eV, 0.137 ppb, 122.93 mg g-1 , and 0.33/-1.04 V at pH 7.0, respectively.
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Affiliation(s)
- Mousumi Deb
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Nadira Hassan
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Deepak Chowdhury
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Md Hussain Sanfui
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Shrestha Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | | | - Swapan Majumdar
- Department of Chemistry, Tripura University, Suryamaninagar, 799022, India
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Nayan Ranjan Singha
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
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2
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A novel single-pot synthesis of dinuclear and mononuclear copper(II) complexes with sterically demanding Schiff bases: Structural, spectral, magnetic, electrochemical, DNA binding and theoretical investigation. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.129955] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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3
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Narwane M, Chang YL, Ching WM, Tsai ML, Hsu SC. Investigation on the coordination behaviors of tris(2-pyridyl)pyrazolyl borates iron(II) complexes. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.118966] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Gardner EJ, Cobb CR, Bertke JA, Warren TH. Tris(pyrazolyl)borate Copper Hydroxide Complexes Featuring Tunable Intramolecular H-Bonding. Inorg Chem 2019; 58:11248-11255. [DOI: 10.1021/acs.inorgchem.9b01991] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Evan J. Gardner
- Department of Chemistry, Georgetown University, Box 51277-1227, Washington, D.C. 20057, United States
| | - Caitlyn R. Cobb
- Department of Chemistry, Georgetown University, Box 51277-1227, Washington, D.C. 20057, United States
| | - Jeffery A. Bertke
- Department of Chemistry, Georgetown University, Box 51277-1227, Washington, D.C. 20057, United States
| | - Timothy H. Warren
- Department of Chemistry, Georgetown University, Box 51277-1227, Washington, D.C. 20057, United States
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5
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Keown W, Large TAG, Chiang L, Wasinger EC, Stack TDP. Exclusive imidazole ligation to CuIII2O 2 and Cu IIICuII2O 2 cores. Chem Commun (Camb) 2019; 55:7390-7393. [DOI: 10.1039/c9cc02982f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Direct oxygenation of imidazole-ligated Cu(i) generates dinuclear and trinuclear Cu(iii) species with exclusive imidazole ligation.
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Affiliation(s)
- William Keown
- Department of Chemistry
- Stanford University
- Stanford
- USA
| | | | - Linus Chiang
- Department of Chemistry
- Stanford University
- Stanford
- USA
- Department of Chemistry
| | - Erik C. Wasinger
- Department of Chemistry and Biochemistry
- California State University
- Chico
- USA
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6
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Liu C, Zhang W, Wang N, Guo P, Muhler M, Wang Y, Lin S, Chen Z, Yang G. Highly Efficient Photocatalytic Degradation of Dyes by a Copper–Triazolate Metal–Organic Framework. Chemistry 2018; 24:16804-16813. [DOI: 10.1002/chem.201803306] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Chen‐Xia Liu
- College of Chemistry and Molecular Engineering Zhengzhou University 450001 Zhengzhou China
| | - Wen‐Hua Zhang
- College of Chemistry and Molecular Engineering Zhengzhou University 450001 Zhengzhou China
| | - Nan Wang
- College of Chemistry and Molecular Engineering Zhengzhou University 450001 Zhengzhou China
| | - Penghu Guo
- Laboratory of Industrial Chemistry Ruhr-University Bochum 44780 Bochum Germany
| | - Martin Muhler
- Laboratory of Industrial Chemistry Ruhr-University Bochum 44780 Bochum Germany
- Max Planck Institute for Chemical Energy Conversion 45470 Mülheim an der Ruhr Germany
| | - Yuemin Wang
- Institute of Functional Interfaces (IFG) Karlsruhe Institute of Technology (KIT) 76344 Eggenstein-Leopoldshafen Germany
| | - Shiru Lin
- Department of Chemistry University of Puerto Rico Rio Piedras San Juan, PR 00931 USA
| | - Zhongfang Chen
- Department of Chemistry University of Puerto Rico Rio Piedras San Juan, PR 00931 USA
| | - Guang Yang
- College of Chemistry and Molecular Engineering Zhengzhou University 450001 Zhengzhou China
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Wang J, Su F, Shi L. Crystal structure of tetra-kis-[μ-2-(meth-oxy-carbon-yl)benzoato-κ 2O1: O1']bis-[( N, N-di-methyl-formamide-κ O)copper(II)]( Cu- Cu) di-methyl-formamide disolvate. Acta Crystallogr E Crystallogr Commun 2018; 74:691-694. [PMID: 29850093 PMCID: PMC5947489 DOI: 10.1107/s2056989018005893] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 04/16/2018] [Indexed: 11/15/2022]
Abstract
The title compound, [Cu2(C9H7O4)4(C3H7NO)2]·2C3H7NO, crystallizes in the monoclinic P21/c space group, with the binuclear copper unit occupying a special position on an inversion center, i.e. the asymmetric unit of the crystal consists of one CuII ion, two 2-(meth-oxy-carbon-yl)benzoate ligands, and two DMF mol-ecules (one coordinated and one solvate). The binuclear complex displays a paddle-wheel-shaped structure with the two copper atoms being in a Jahn-Teller-distorted octa-hedral coordination environment. Each 2-(meth-oxy-carbon-yl)benzoate substituent acts as a bridging ligand and links two Cu atoms with a Cu-Cu distance of 2.633 (1) Å. The carboxyl-ate groups of the 2-(meth-oxy-carbon-yl)benzoate ligands adopt bidentate syn-syn bridging modes, with dihedral angles between the carboxyl-ate planes and the aromatic rings of 18.427 (4) and 43.029 (6)°. In the crystal, adjacent DMF mol-ecules coordinated to copper atoms are arranged in a mutual 'head-to-tail' manner by offset face-to-face π-π stacking inter-actions, resulting in chains along the c-axis direction. The planes of the coordinated DMF mol-ecules are parallel to each other, the distance between them being 3.33 (1) Å. A three-dimensional structure is assembled from the chains by weak C-H⋯O and C-H⋯π inter-molecular inter-actions involving the DMF solvent mol-ecules. One of the methyl ester groups is disordered over two sites with an occupancy ratio of 0.751 (12):0.249 (12).
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Affiliation(s)
- Jinglin Wang
- Department of Chemistry, Changzhi University, Changzhi, Shanxi 046011, People’s Republic of China
| | - Feng Su
- Department of Chemistry, Changzhi University, Changzhi, Shanxi 046011, People’s Republic of China
| | - Lili Shi
- Department of Chemistry, Changzhi University, Changzhi, Shanxi 046011, People’s Republic of China
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Effects of substituents and phosphine auxiliaries on the structures of Cu(I) clusters with functionalized 2,2′-bipyridyl tetrazole ligands. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.03.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Chen L, Kang J, Cui H, Wang Y, Liu L, Zhang L, Su CY. Homochiral coordination cages assembled from dinuclear paddlewheel nodes and enantiopure ditopic ligands: syntheses, structures and catalysis. Dalton Trans 2015; 44:12180-8. [DOI: 10.1039/c4dt03782k] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A series of homochiral (Cu2)2L4 lantern cages have been synthesized, which can promote cyclopropanation with up to 99 : 1 diastereoselectivity.
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Affiliation(s)
- Lianfen Chen
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
| | - Jian Kang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
| | - Hao Cui
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
| | - Yingxia Wang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
| | - Lan Liu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
| | - Li Zhang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
| | - Cheng-Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry and Chemical Engineering
- Sun yat-sen University
- Guangzhou
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10
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Kealey S, White AJP, Gee AD, Long NJ. Evaluation of [12C/11C]Carbon Monoxide Binding to Copper(I) Tris(pyrazolyl)borate Complexes. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201301475] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Biswas S, Dutta A, Dolai M, Bhowmick I, Rouzières M, Lee HM, Clérac R, Ali M. Dinuclear Cu
II
–Cu
II
and Cu
I
–Cu
II
Complexes of a Compartmental Ligand – Syntheses, Structures, Magnetic, and Catalytic Studies. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300576] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Surajit Biswas
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India E‐mail: , http://www.jaduniv.edu.in/profile.php?uid=30
| | - Arpan Dutta
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India E‐mail: , http://www.jaduniv.edu.in/profile.php?uid=30
| | - Malay Dolai
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India E‐mail: , http://www.jaduniv.edu.in/profile.php?uid=30
| | - Indrani Bhowmick
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Mathieu Rouzières
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Hon Man Lee
- National Changhua University of Education, Department of Chemistry, Changhua 50058, Taiwan
| | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, 33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, 33600 Pessac, France
| | - Mahammad Ali
- Department of Chemistry, Jadavpur University, Kolkata 700 032, India E‐mail: , http://www.jaduniv.edu.in/profile.php?uid=30
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12
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Wen ZZ, Wen XL, Cai SL, Zheng SR, Fan J, Zhang WG. The construction of Cu(i)/Cu(ii) coordination polymers based on pyrazine–carboxylate: Structural diversity tuned by in situ hydrolysis reaction. CrystEngComm 2013. [DOI: 10.1039/c3ce26817a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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13
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Yu XY, Cui XB, Yang JJ, Zhang JP, Luo YH, Zhang H, Gao WP. A series of coordination polymers constructed from in situ amidation ligands: syntheses, structures and luminescent properties. CrystEngComm 2012. [DOI: 10.1039/c2ce06730g] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Sanchiz J, Pasán J, Fabelo O, Lloret F, Julve M, Ruiz-Pérez C. [Cu3(Hmesox)3]3−: a Precursor for the Rational Design of Chiral Molecule-Based Magnets (H4mesox = 2-dihydroxymalonic acid). Inorg Chem 2010; 49:7880-9. [DOI: 10.1021/ic100786j] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Jorge Pasán
- Laboratorio de Rayos X y Materiales Moleculares (MATMOL), Departamento de Física Fundamental II, Facultad de Física
| | - Oscar Fabelo
- Laboratorio de Rayos X y Materiales Moleculares (MATMOL), Departamento de Física Fundamental II, Facultad de Física
| | - Francesc Lloret
- Instituto de Ciencia Molecular (ICMol)/Departament de Química Inorgànica, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna (Valencia), Spain
| | - Miguel Julve
- Instituto de Ciencia Molecular (ICMol)/Departament de Química Inorgànica, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna (Valencia), Spain
| | - Catalina Ruiz-Pérez
- Laboratorio de Rayos X y Materiales Moleculares (MATMOL), Departamento de Física Fundamental II, Facultad de Física
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15
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ESR, solid-state 31P MAS NMR, and UV–vis–NIR studies on linear CuI CuII CuI trinuclear species: Crystal structure of bis-μ-salicylato (2−)-1:2 κ4O; 2:3 κ4O-tetrakis (triphenylphosphine-1κ2P, 3κ2P)-tricopper(I, II, I), [(PPh3)2Cu]2(μ-o-OC6H4COO)2Cu. INORG CHEM COMMUN 2009. [DOI: 10.1016/j.inoche.2009.09.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Zhang SM, Hu TL, Du JL, Bu XH. Tuning the formation of copper(I) coordination architectures with quinoxaline-based N,S-donor ligands by varying terminal groups of ligands and reaction temperature. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2009.05.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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17
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Mandal TN, Roy S, Barik AK, Gupta S, Butcher RJ, Kar SK. Unusual complexation of Cu(I) by pyrimidine/pyridine-pyrazole derived ligands exploiting the molecular function of 2-mercapto-4,6-dimethylpyrimidine – Syntheses, crystal structures and electrochemistry. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2008.06.027] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Jian FF, Huang LH, Huang BX, Wang J, Wang X. The nanoscale drum-gong-cymbal-like mixed-valence CuIICuI3 cluster polymer and magnetism study. CrystEngComm 2009. [DOI: 10.1039/b904818a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Wang C, Li J, Ren YW, He FG, Mele G, Zhang FX. A dinuclear diamagnetic copper(II) complex [Cu2(ophen)2]Cl2 with hydroxylated phen. J COORD CHEM 2008. [DOI: 10.1080/00958970802206785] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Chen Wang
- a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry , Northwest University , Xi’an, Shaanxi, 710069, China
| | - Jun Li
- a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry , Northwest University , Xi’an, Shaanxi, 710069, China
| | - Yan-Wei Ren
- a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry , Northwest University , Xi’an, Shaanxi, 710069, China
| | - Fei-Gang He
- a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry , Northwest University , Xi’an, Shaanxi, 710069, China
| | - Giuseppe Mele
- b Department of Engineering of Innovation , University of Salento , Via Arnesano 73100 Lecce, Italy
| | - Feng-Xing Zhang
- a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry , Northwest University , Xi’an, Shaanxi, 710069, China
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Li MX, Guo GL, Niu JY. A new hybrid material constructed from octamolybdate anion and neutral dinuclear copper units. J COORD CHEM 2008. [DOI: 10.1080/00958970802158424] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Ming-Xue Li
- a Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering , Henan University , Kaifeng, Henan 475001, P.R. China
| | - Gui-Ling Guo
- a Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering , Henan University , Kaifeng, Henan 475001, P.R. China
| | - Jing-Yang Niu
- a Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering , Henan University , Kaifeng, Henan 475001, P.R. China
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21
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Peng R, Deng SR, Li M, Li D, Li ZY. Solvent-dependent copper(i) conformational supramolecular pseudo-polymorphs based on a flexible thioether ligand. CrystEngComm 2008. [DOI: 10.1039/b717165j] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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De S, Chowdhury S, Naskar JP, Drew MGB, Clérac R, Datta D. A Hexadecanuclear Copper(I)–Copper(II) Mixed‐Valence Compound: Structure, Magnetic Properties, Intervalence Charge Transfer, EPR, and NMR. Eur J Inorg Chem 2007. [DOI: 10.1002/ejic.200700369] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Senjuti De
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Calcutta 700 032, India, Fax: +91‐33‐2473‐2805
| | - Shubhamoy Chowdhury
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Calcutta 700 032, India, Fax: +91‐33‐2473‐2805
| | - Jnan P. Naskar
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Calcutta 700 032, India, Fax: +91‐33‐2473‐2805
| | - Michael G. B. Drew
- School of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, UK
| | - Rodolphe Clérac
- Université Bordeaux 1, CNRS, Centre de Recherche Paul Pascal – UPR8641, 115 avenue du Dr. A. Schweitzer, 33600 Pessac, France
| | - Dipankar Datta
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Calcutta 700 032, India, Fax: +91‐33‐2473‐2805
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Liu CS, Wang JJ, Yan LF, Chang Z, Bu XH, Sañudo EC, Ribas J. Copper(II), Cobalt(II), and Nickel(II) Complexes with a Bulky Anthracene-Based Carboxylic Ligand: Syntheses, Crystal Structures, and Magnetic Properties. Inorg Chem 2007; 46:6299-310. [PMID: 17608470 DOI: 10.1021/ic070086y] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
To systematically explore the influence of the bulky aromatic ring skeleton with a large conjugated pi-system on the structures and properties of their complexes, six CuII, CoII, and NiII complexes with the anthracene-based carboxylic ligand anthracene-9-carboxylic acid (HL1), were synthesized and characterized, sometimes incorporating different auxiliary ligands: [Cu2(L1)4(CH3OH)2](CH3OH) (1), [Cu4(L1)6(L2)4](NO3)2(H2O)2 (2), {[Cu2(L1)4(L3)](CH3OH)0.25}infinity (3), [Co2(L1)4(L4)2(micro-H2O)](CH3OH) (4), {[Co(L1)2(L5)(CH3OH)2]}infinity (5), and {[Ni(L1)2(L5)(CH3OH)2]}infinity (6) (L2 = 2,2'-bipyridine, L3 = 1,4-diazabicyclo[2.2.2]octane, L4 = 1,10-phenanthroline, and L5 = 4,4'-bipyridine). 1 has a dinuclear structure that is further assembled to form a one-dimensional (1D) chain and then a two-dimensional (2D) network by the C-H...O H-bonding and pi...pi stacking interactions jointly. 2 takes a tetranuclear structure due to the existence of the chelating L2 ligand. 3 possesses a 1D chain structure by incorporating the related auxiliary ligand L3, which is further interlinked via interchain pi...pi stacking, resulting in a three-dimensional (3D) network. 4 also has a dinuclear structure and then forms a higher-dimensional supramolecular network through intermolecular pi...pi stacking and/or C-H...pi interactions. 5 and 6 are isostructural complexes, except they involve different metal ions, showing 1D chain structures, which are also assembled into 2D networks from the different crystallographic directions by interchain pi...pi stacking and C-H...pi interactions, respectively. The results reveal that the steric bulk of the anthracene ring in HL1 plays an important role in the formation of 1-6. The magnetic properties of the complexes were investigated, and the very long intermetallic distances result in weak magnetic coupling, with the exception of 1 and 3, which adopt the typical paddle-wheel structure of copper acetate and are thus strongly coupled.
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Affiliation(s)
- Chun-Sen Liu
- Department of Chemistry, Nankai University, Tianjin, PR China
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Chen C, Zhang J, Su C. Coordination Assemblies of Metallacyclic, Prismatic and Tubular Molecular Architectures Based on the Non‐rigid Ligands. Eur J Inorg Chem 2007. [DOI: 10.1002/ejic.200700187] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chun‐Long Chen
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat‐Sen University, Guangzhou 510275, China, Fax: +86‐20‐8411‐5178
| | - Jian‐Yong Zhang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat‐Sen University, Guangzhou 510275, China, Fax: +86‐20‐8411‐5178
| | - Cheng‐Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat‐Sen University, Guangzhou 510275, China, Fax: +86‐20‐8411‐5178
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
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25
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Jeffery JC, Riis-Johannessen T, Anderson CJ, Adams CJ, Robinson A, Argent SP, Ward MD, Rice CR. Localization and Delocalization in a Mixed-Valence Dicopper Helicate. Inorg Chem 2007; 46:2417-26. [PMID: 17326619 DOI: 10.1021/ic061504m] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The coordination chemistry of the tetradentate pyridyl-thiazole (py-tz) N-donor ligand 6,6'-bis(4-phenylthiazol-2-yl)-2,2'-bipyridine (L1) has been investigated. Reaction of L1 with equimolar copper(II) ions results in the formation of the single-stranded mononuclear complex [Cu(L1)(ClO4)2] (1), whereas reaction with copper(I) ions results in the double-stranded dinuclear helicate [Cu2(L1)2][PF6]2 (2). Both complexes were characterized by X-ray crystallography, UV-vis spectroscopy, and electrospray ionization mass spectroscopy (as well as 1H NMR spectroscopy for diamagnetic 2). Complex 2 is redox-active and, upon one-electron oxidation, forms the stable tricationic mixed-valence helicate [Cu2(L1)2]3+ (3). This species can also be prepared in situ by combining [Cu(MeCN)4][BF4], [Cu(H2O)6][BF4]2, and L1 in a 1:1:2 ratio in nitromethane. X-ray crystallographic analysis of 3 provides structural evidence for the presence of an internuclear Cu-Cu bond, with an even distribution of spin density across the two Cu centers. Room-temperature UV-vis spectroscopy is consistent with this finding; however, frozen-glass EPR spectroscopic investigations suggest solvatochromic behavior at 110 K, with the [Cu2]3+ core varying from localized to delocalized depending on the solvent polarity.
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Affiliation(s)
- John C Jeffery
- School of Chemistry, University of Bristol, Bristol BS8 1TS, UK
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26
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Li L, Hu TL, Li JR, Wang DZ, Zeng YF, Bu XH. Metal–organic coordination architectures of 9,10-bis(N-benzimidazolyl)anthracene: syntheses, structures and emission properties. CrystEngComm 2007. [DOI: 10.1039/b701551h] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Sarkar B, Sinha Ray M, Drew MG, Figuerola A, Diaz C, Ghosh A. Trinuclear Cu(II) complexes containing peripheral ketonic oxygen bridges and a μ3-OH core: Steric influence on their structures and existence. Polyhedron 2006. [DOI: 10.1016/j.poly.2006.05.032] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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28
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Zhu HF, Fan J, Okamura TA, Zhang ZH, Liu GX, Yu KB, Sun WY, Ueyama N. Metal−Organic Architectures of Silver(I), Cadmium(II), and Copper(II) with a Flexible Tricarboxylate Ligand. Inorg Chem 2006; 45:3941-8. [PMID: 16676952 DOI: 10.1021/ic051925o] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Three novel metal-organic architectures, [Ag3(bta)].1.5H2O (1), [Cd3(bta)2(H2O)7].5H2O (2), and [Cu11(bta)6(Hbta)2(H2O)10].29H2O (3), were obtained by reactions of the corresponding metal salts with a flexible tripodal ligand, benzene-1,3,5-triacetic acid (H3bta), and their structures were determined by single-crystal X-ray diffraction studies. The results revealed that, in complexes 1 and 2, the carboxylate groups of the bta3- ligand adopted varied coordination modes to link metal atoms and further to form three-dimensional structures with open channels occupied by water molecules, while in complex 3, for the first time, the flexible H3bta acted as a secondary building unit to generate a novel nanometer-sized metallocage, which is composed of a Cu(II) paddle wheel (square secondary building units) and bta3-/Hbta2- organic links (triangular secondary building units). The photoluminescence properties of complexes 1 and 2 were investigated, and the results showed that 2 exhibited photoluminescence in the solid state at room temperature.
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Affiliation(s)
- Hui-Fang Zhu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China
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29
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Mukherjee J, Mukherjee R. Reaction with dioxygen of a Cu(I) complex of 1-benzyl-[3-(2'-pyridyl)]pyrazole triggers ethyl acetate hydrolysis: acetato-/pyrazolato-, dihydroxo- and diacetato-bridged Cu(II) complexes. Dalton Trans 2006:1611-21. [PMID: 16547535 DOI: 10.1039/b512086a] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A copper(I) compound [(L2)Cu(MeCN)2][ClO4] (1) containing a new bidentate N-donor ligand L2, 1-benzyl-[3-(2'-pyridyl)]pyrazole, derived from the condensation of HL1 [HL1 = 3-(2-pyridyl)pyrazole] and benzyl chloride, has been synthesized. Structural analysis reveals that in the copper(I) centre is coordinated by a pyridine and a pyrazole nitrogen from L2 and two MeCN molecules, providing a distorted tetrahedral geometry. Reaction of with dioxygen in N,N'-dimethylformamide (dmf) at 25 degrees C and subsequent workup with MeCO2Et afforded an acetato-/pyrazolato-bridged polymeric copper(II) compound [(mu-L1)Cu(mu-O2CMe)]n (2). Notably, the deprotonated form of HL(1) and MeCO2- have originated from debenzylation of L2 and hydrolysis of MeCO2Et, respectively. The structural analysis of reveals a near-planar {Cu2(mu-L1)2}2+ core unit in which two adjacent Cu(II) ions are bridged by the deprotonated N,N-bidentate pyridylpyrazole units of two L1 and each such {Cu2(mu-L1)2}2+ unit is bridged by MeCO2- in a monodentate bridging mode [Cu...Cu separations (A): 3.9232(4) pyrazolate bridge; 3.3418(4) acetate bridge], providing a polymeric network. Careful oxygenation of in MeCN led to the isolation of a dihydroxo-bridged dicopper(II) compound [{(L2)Cu(mu-OH)(OClO3)}2] (3). Interestingly, complex brings about hydrolysis of MeCO2Et under mild conditions (dmf, ca. 60 degrees C), generating a bis-mu-1,3-acetato-bridged dicopper(II) complex, [{(L2)Cu(dmf)(mu-O2CMe)}2][ClO4]2.dmf.0.5MeCO2H (4). Compounds and have {Cu2(mu-OH)2}2+ [Cu...Cu separation of 2.8474(9) A] and {Cu2(mu-O2CMe)2}2+ cores [Cu...Cu separation: 3.0988(26) and 3.0792(29) A (two independent molecules in the asymmetric unit)] in which each Cu(II) centre is terminally coordinated by L2. A rationale has been provided for the observed debenzylation of L2 and hydrolysis of MeCO(2)Et. The intramolecular magnetic coupling between the Cu(II) (S = 1/2) ions was found to be ferromagnetic (2J = 82 cm(-1)) in the case of , but antiferromagnetic for (2J = -158 cm(-1)) and (2J = -96 cm(-1)). Absorption and EPR spectroscopic properties of the copper(II) compounds have also been investigated.
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Affiliation(s)
- Jhumpa Mukherjee
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208 016, India
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Bu XH, Tong ML, Xie YB, Li JR, Chang HC, Kitagawa S, Ribas J. Synthesis, Structures, and Magnetic Properties of the Copper(II), Cobalt(II), and Manganese(II) Complexes with 9-Acridinecarboxylate and 4-Quinolinecarboxylate Ligands. Inorg Chem 2005; 44:9837-46. [PMID: 16363854 DOI: 10.1021/ic050886d] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
To explore the relationships between the structures of ligands and their complexes, we have synthesized and characterized a series of metal complexes with two structurally related ligands, 9-acridinecarboxylic acid (HL(1)) and 4-quinolinecarboxylate acid (HL(2)), [Cu(2)(mu(2)-OMe)(2)(L(1))(2)(H(2)O)(0.69)](n) 1, [Cu(2)(L(1))(4)(CH(3)OH)(2)] 2, [Cu(3)(L(1))(6)(CH(3)OH)(6)].3H(2)O 3, [Mn(3)(L(1))(6)(CH(3)OH)(6)].3H(2)O 4, [Co(3)(L(1))(6)(CH(3)OH)(6)].3H(2)O 5, [Cu(L(2))(2)](n) 6, [Mn(L(2))(2)(H(2)O)](n) 7, and [Co(L(2))(2)(H(2)O)](n) 8. 1 is a three-dimensional (3D) polymer with an interpenetrating NbO type network showing one-dimensional (1D) channels, whereas 2 and 3 take bi- and trinuclear structures, respectively, because of the differences in basicity of the reaction systems in preparing the three complexes. 4 and 5 have trinuclear structures similar to that of 3. In 1-5, ligand L(1) performs different coordination modes with N,O-bridging in 1 and O,O'-bridging in 2-5, and the metal ions also show different coordination geometries: square planar in 1, square pyramidal in 2, and octahedral in 3-5. 6 has a two-dimensional structure containing (4,4) grids in which L(2) adopts the N,O-bridging mode and the Cu(II) center takes square planar geometry. 7 and 8 are isostructural complexes showing 1D chain structures, with L(2) adopting the O,O-bridging mode. In addition, the intermolecular O-H...N hydrogen bonds and pi-pi stacking interactions further extend the complexes (except 1 and 6), forming 3D structures. The magnetic properties of 2-7 have been investigated and discussed in detail.
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Affiliation(s)
- Xian-He Bu
- Department of Chemistry, Nankai University, Tianjin 300071, People's Republic of China.
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32
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Casarin M, Corvaja C, Di Nicola C, Falcomer D, Franco L, Monari M, Pandolfo L, Pettinari C, Piccinelli F. One-Dimensional and Two-Dimensional Coordination Polymers from Self-Assembling of Trinuclear Triangular Cu(II) Secondary Building Units. Inorg Chem 2005; 44:6265-76. [PMID: 16124805 DOI: 10.1021/ic050678l] [Citation(s) in RCA: 139] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reactions of pyrazole (Hpz) with some copper(II) carboxylates in the presence of water yield trinuclear copper derivatives characterized by the triangular core [Cu3mu3-OH)(mu-pz)3(RCOO)2] (R = H, C2H5, C3H7). Copper(II) formate gives [Cu3(mu3-OH)(mu-pz)3(HCOO)2(Hpz)2] (1), whereas copper propionate and butyrate afford [Cu3(mu3-OH)(mu-pz)3(C2H5COO)2(EtOH)] (2) and [Cu3(mu3-OH)(mu-pz)3(C3H7COO)2(MeOH)(H2O)] (3), respectively, both containing solvent molecules coordinated to copper atoms. Magnetic susceptibilities are consistent with a single unpaired electron for each trinuclear unit of 1-3, and EPR measurements indicate that higher spin states, generated by exchange coupling between copper atoms, may be populated at room temperature. Density-functional calculations provide the description of the electronic structures of 1-3, allowing, at the same time, the assignment of their UV-vis absorption spectra. X-ray molecular structure determinations show that triangular trinuclear units of 1 are connected to each other through single formate bridges, forming one-dimensional (1D) zigzag coordination polymers, whereas in 2 and 3, two oxygen atoms of two carboxylate ions doubly bridge two copper atoms of different triangles, thus generating hexanuclear units. Moreover, in 2, two other propionate ions link together two hexanuclear units yielding a 12-membered cycle and giving rise to 1D coordination polymers. The supramolecular assemblies of 1-3 are compared to that of the previously reported trinuclear triangular copper(II) derivative [Cu3(mu3-OH)(mu-pz)3(CH3COO)2(Hpz)] (A), where a two-dimensional (2D) coordination polymer is present. The reactions of 3,5-dimethylpyrazole (Hpz) with copper(II) carboxylates in the same conditions yield 1:2 Cu(RCOO)2/Hpz adducts.
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Affiliation(s)
- Maurizio Casarin
- Department of Chemical Sciences, University of Padova, Via Marzolo, 1, I-35131 Padova, Italy
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Mukhopadhyay S, Mandal D, Chatterjee PB, Desplanches C, Sutter JP, Butcher RJ, Chaudhury M. Bi- and Trinuclear Copper(II) Complexes of a Sterically Constrained Phenol-Based Tetradentate Ligand: Syntheses, Structures, and Magnetic Studies. Inorg Chem 2004; 43:8501-9. [PMID: 15606199 DOI: 10.1021/ic049271r] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Copper(II) complexes (1-3) of a sterically constrained phenol-based tetradentate N(2)O(2) ligand 1,4-bis(2-hydroxy-3,5-dimethylbenzyl)piperazine (H(2)L) have been reported. The associated anions of the copper(II) ion precursors have profound influence on the stoichiometry of the products. Thus, with perchlorate ion, the product is a binuclear compound [Cu(2)L(2)] (1), while with coordinating anions viz. Cl(-) and N(3)(-), the products [Cu(3)L(2)Cl(2)(H(2)O)].1/2H(2)L (2) and [Cu(3)L(2)(N(3))(2)(CH(3)OH)].4H(2)O (3) have triangulo trinuclear composition. The syntheses, X-ray structures, and spectroscopic and magnetic properties of these complexes are described. Compound 1 has a noncentrosymmetric structure with a rectangular Cu(2)(OPh)(2) core. It appears to be a rare example of a phenolato-bridged Cu(II) dimer exhibiting ferromagnetic interactions (J = 0.93 cm(-)(1)), a behavior in agreement with the theoretical predictions but seldom observed experimentally. In compounds 2 and 3, the copper centers are triangularly disposed, and the molecules have a shape much like that of a butterfly. The terminal copper centers Cu(1) and Cu(2) in 2 and 3 have distorted square pyramidal geometry, connected to each other by a bridging chloro- (in 2) or azido ligand (in 3) in "end to end" fashion. The central copper center (Cu(3) in 2 and Cu in 3) in both the compounds has distorted square planar geometry. The separations between the metal centers, viz. Cu(1)...Cu(2), Cu(2)...Cu(3), and Cu(3)...Cu(1), are 4.826, 3.214, and 3.244 A, respectively, in 2. The corresponding distances in 3 are 5.590, 3.178, and 3.485 A, respectively. The overall magnetic behaviors in 2 and 3 are consistent with antiferromagnetic interactions between the spin centers. In 3, the exchange couplings between the terminal and central copper centers J(Cu(1))(-)(Cu) and J(Cu(2))(-)(Cu) appear to be equal (-234 cm(-)(1)), resulting in an S = (1)/(2) ground state at temperatures near or below 77 K.
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Affiliation(s)
- Suman Mukhopadhyay
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India
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Casarin M, Corvaja C, Di Nicola C, Falcomer D, Franco L, Monari M, Pandolfo L, Pettinari C, Piccinelli F, Tagliatesta P. Spontaneous Self-Assembly of an Unsymmetric Trinuclear Triangular Copper(II) Pyrazolate Complex, [Cu3(μ3-OH)(μ-pz)3(MeCOO)2(Hpz)] (Hpz = Pyrazole). Synthesis, Experimental and Theoretical Characterization, Reactivity, and Catalytic Activity. Inorg Chem 2004; 43:5865-76. [PMID: 15360235 DOI: 10.1021/ic049260y] [Citation(s) in RCA: 110] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The almost quantitative formation of the triangular trinuclear copper derivative [Cu3(3-OH)(-pz)3(MeCOO)2(Hpz)] (1) (Hpz = pyrazole), has been simply achieved by adding Hpz to an ethanol solution of Cu(MeCOO)2 x H2O. An X-ray molecular structure determination shows that 1 is completely unsymmetric and that trinuclear units result assembled in an extended bidimensional network formed through acetate bridges and hydrogen bonds. EPR and magnetic measurements are consistent with the presence of a single unpaired electron. Theoretical density functional calculations carried out for S = 1/2 provide a thorough description of the electronic structure of 1, allowing a detailed assignment of its UV-vis absorption spectrum. Compound 1 reacts with MeONa, yielding [Cu3(micro3-OH)(micro-pz)3(MeCOO)(MeO)(Hpz)] (2) and [Cu3(micro3-OH)(micro-pz)3(MeO)2(Hpz)] (3) through the substitution of one and two acetate ions, respectively, with MeO- ion(s). The spontaneous self-assembly of the triangular trinuclear Cu3 moiety seems to occur only with pyrazole as can be inferred by the results obtained in the reactions of copper(II) acetate with some substituted pyrazoles leading to the formation of mononuclear [Cu(MeCOO)2(L)2] (4-8) and dinuclear [Cu(MeCOO)2(L)]2 (9-11) (L = substituted pyrazole) compounds. Also the presence of acetate ions seems to play a leading role in determining the formation of the trinuclear triangular arrangement, as indicated by the formation of a mononuclear derivative, [Cu(CF3COO)2(Hpz)]2 (compound 12), in the reaction of copper(II) trifluoroacetate with pyrazole. Compounds 1-3, as well as some other mono- and dinuclear copper(II)-substituted pyrazole complexes, have been tested as catalyst precursors in cyclopropanation reaction, observing the formation of products in a syn:anti ratio opposite that normally reported.
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Affiliation(s)
- Maurizio Casarin
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, I-35131 Padova
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35
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Gennari M, Giannetto M, Lanfranchi M, Marchiò L, Pellinghelli MA, Tegoni M. Synthesis, structure and electrochemical properties of a nickel complex with the hydrotris[thioxotriazolyl-3-(2-pyridyl)]borate podand ligand. Polyhedron 2004. [DOI: 10.1016/j.poly.2004.04.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Rieger AL, Rieger PH. Chemical Insights from EPR Spectra of Organometallic Radicals and Radical Ions. Organometallics 2004. [DOI: 10.1021/om030565e] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Anne L. Rieger
- Department of Chemistry, Brown University, Providence, Rhode Island 02912
| | - Philip H. Rieger
- Department of Chemistry, Brown University, Providence, Rhode Island 02912
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37
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Novel Ag(I) complexes with propeller-like structure of tripodal ligand: syntheses and structures of two- and three-coordinate silver (I) complexes. INORG CHEM COMMUN 2003. [DOI: 10.1016/s1387-7003(03)00020-0] [Citation(s) in RCA: 10] [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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38
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Dong G, Chun-qi Q, Chun-ying D, Ke-liang P, Qing-jin M. Synthesis and structural characterization of a novel mixed-valent Cu(II)Cu(I)Cu(II) triangular metallomacrocycle using an imine-based rigid ligand. Inorg Chem 2003; 42:2024-30. [PMID: 12639137 DOI: 10.1021/ic0260668] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel neutral mixed-valent Cu(I)Cu(II)(2) triangular metallomacrocycle [Cu(3)L(2)(HL)].3CH(3)OH.2H(2)O (1) was assembled by reaction of the tetradentate ligand bis(N-salicylidene-4,4'-diphenylamine), H(2)L, with a copper(II) salt. ESI-MS show peaks only corresponding to the triangular structural species, indicating the high stability of the trimer structure in solution. Magnetic study confirms that there are two Cu(II) ions and one Cu(I) ion in a discrete triangular molecule. The crystal structure of 1 reveals that the triangle is formed by three deprotonated ligands and three copper ions with a Cu-Cu separation of ca. 11.8 A. Each copper atom is coordinated by two oxygen atoms and two nitrogen atoms from two different bis-bidentate ligands in a heavily distorted tetrahedral geometry, while each ligand is bound to two metal ions in a bis-bidentate coordination mode and links the metal centers overlapping in an unprogressive manner. Strong intramolecular pi.pi interactions between the ligands are found to stabilize the constraint conformation of the triangle. Electrochemical study reveals that the mixed-valent Cu(I)Cu(II)(2) complex is the most stable state in solution condition, and the electrochemical communication between the copper ions might be explained on the basis of the through-bond interaction. UV-vis-NIR spectral measurement demonstrates the Robin-Day class II behavior of the mixed-valence compound with a weak copper-copper interaction.
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Affiliation(s)
- Guo Dong
- Coordination Chemistry Institute, The State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210093, P. R. China
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Steel P, Sumby C. Anion-directed self-assembly of metallosupramolecular coordination polymers of the radialene ligand hexa(2-pyridyl)[3]radialene. INORG CHEM COMMUN 2002. [DOI: 10.1016/s1387-7003(02)00397-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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40
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Ward MD, McCleverty JA, Jeffery JC. Coordination and supramolecular chemistry of multinucleating ligands containing two or more pyrazolyl-pyridine ‘arms’. Coord Chem Rev 2001. [DOI: 10.1016/s0010-8545(01)00301-0] [Citation(s) in RCA: 106] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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41
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42
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Sun WY, Xie J, Yu KB. Isolation and Single X-ray Crystal Structure of a Flattened M3L2Type Metallosupramolecular Cage Obtained by Self-Assembly of Tripodal Ligand with Zinc(II) Chloride. CHEM LETT 2001. [DOI: 10.1246/cl.2001.342] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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43
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Janiak C, Temizdemir S, Dechert S. Hydrotris(indazolyl)borate, Tp4Bo, a surprisingly effective Tp ligand for supramolecular assembly. INORG CHEM COMMUN 2000. [DOI: 10.1016/s1387-7003(00)00063-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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44
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Atwood CG, Geiger WE. Investigations of Time-Dependent Delocalization and the Correlation of Carbonyl IR Shifts with ΔE1/2 Values for Hydrocarbon-Linked Class II and Class III Mixed-Valent Complexes. J Am Chem Soc 2000. [DOI: 10.1021/ja994064p] [Citation(s) in RCA: 68] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Christopher G. Atwood
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405
| | - William E. Geiger
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405
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45
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Setsune JI, Yokoyama T, Muraoka S, Huang HW, Sakurai T. Ein dreieckiger, gemischtvalenter CuIICuICuI-Cluster auf der Basis eines 2-Chinolyl-2,2′-dipyrrolylmethan-Tripodliganden. Angew Chem Int Ed Engl 2000. [DOI: 10.1002/(sici)1521-3757(20000317)112:6<1160::aid-ange1160>3.0.co;2-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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46
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Stoll ME, Lovelace SR, Geiger WE, Schimanke H, Hyla-Kryspin I, Gleiter R. Transannular Effects in Dicobalta−Superphane Complexes on the Mixed-Valence Class II/Class III Interface: Distinguishing between Spin and Charge Delocalization by Electrochemistry, Spectroscopy, and ab Initio Calculations. J Am Chem Soc 1999. [DOI: 10.1021/ja9914792] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Michael E. Stoll
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405, and Organisch-Chemisches Institut der Universitat Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Sherri R. Lovelace
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405, and Organisch-Chemisches Institut der Universitat Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - William E. Geiger
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405, and Organisch-Chemisches Institut der Universitat Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Holger Schimanke
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405, and Organisch-Chemisches Institut der Universitat Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Isabella Hyla-Kryspin
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405, and Organisch-Chemisches Institut der Universitat Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Rolf Gleiter
- Contribution from the Department of Chemistry, University of Vermont, Burlington, Vermont 05405, and Organisch-Chemisches Institut der Universitat Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
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Preparation of the new podand ligand SP(pzpy)3 [pzpy = 3-(2-pyridyl)-pyrazol-1-yl], and the syntheses and crystal structures of copper(II) and copper(I) complexes of its hydrolysis product [OSP(pzpy)2]−, and a double helical copper(I) complex of [O2P(pzpy)2]−. Polyhedron 1998. [DOI: 10.1016/s0277-5387(97)00449-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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