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1
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Abstract
The compounds [1,4′-bipyridine]-1,1′-diium [CuCl4] (1) and [1,4′-bipyridine]-1,1′-diium [CuBr4] (2) were prepared and their crystal structures and magnetic properties are reported. The compounds are isomorphous and crystallize in the monoclinic space group C2/c. The cation crystallizes in a two-fold disordered fashion with the terminal nitrogen and carbon atoms exhibiting 50% occupancies. This results in a crystal packing arrangement with significant hydrogen bonding that is very similar to that observed in the corresponding 4,4′-bipyridinediium complexes. Temperature dependent magnetic susceptibility measurements and room temperature EPR spectroscopy indicate the presence of very weak antiferromagnetic exchange. The data were fit to the Curie–Weiss law and yielded Weiss constants of −0.26(5) K (1) and −1.0(1) K (2).
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2
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Dubois RJ, Landee CP, Rademeyer M, Turnbull MM. 2-Chloro-3-fluoropyridine copper(II) complexes and the effect of structural changes on magnetic behavior. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1527323] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Robert J. Dubois
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | | | - Melanie Rademeyer
- Department of Chemistry, University of Pretoria, Hatfield, South Africa
| | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
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3
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Kersen Ü, Wojtczak A, Bienko A, Jezierska J. The effects of protonated heterocyclic cations on the structural and magnetic properties of tetrachlorocuprate( ii) anions; X-ray, magnetochemical and EPR studies. NEW J CHEM 2018. [DOI: 10.1039/c8nj03155j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The crystal and molecular structures and magnetic properties of two new complexes (HMepy)2[CuCl4]·2H2O, 2, and (H2Me2ppz)[CuCl4], 3, formed by tetrachlorocuprate(ii) anions and organic heterocyclic cations, have been determined by the analysis of their X-ray diffraction data, magnetic susceptibility behaviour and EPR spectral parameters.
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Affiliation(s)
- Ülo Kersen
- School of Chemical Engineering
- Aalto University
- 00076 Aalto
- Finland
| | - Andrzej Wojtczak
- Department of Crystallochemistry and Biocrystallography
- Faculty of Chemistry
- Nicolaus Copernicus University
- 87-100 Torun
- Poland
| | - Alina Bienko
- Faculty of Chemistry
- University of Wroclaw
- 50-383 Wroclaw
- Poland
| | - Julia Jezierska
- Faculty of Chemistry
- University of Wroclaw
- 50-383 Wroclaw
- Poland
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4
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Anagnostis J, Cipi J, Landee CP, Tremelling GW, Turnbull MM, Twamley B, Wikaira JL. Transition metal salts of 2-amino-3,5-dihalopyridine - dimers: syntheses, structures and magnetic properties of (3,5-diCAPH)2Cu2Br6 and (3,5-diBAPH)2Cu2X6. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1413183] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Jason Anagnostis
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Joris Cipi
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | | | - Grant W. Tremelling
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Brendan Twamley
- School of Chemistry, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
| | - Jan L. Wikaira
- School of Physical and Chemical Sciences, Te Kura Matū, University of Canterbury, Christchurch, New Zealand
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5
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Ranjani G, Nagarajan R. Insight into Copper Catalysis: In Situ Formed Nano Cu2O in Suzuki–Miyaura Cross-Coupling of Aryl/Indolyl Boronates. Org Lett 2017; 19:3974-3977. [DOI: 10.1021/acs.orglett.7b01669] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ganapathy Ranjani
- School of Chemistry, University of Hyderabad, Hyderabad - 500046, India
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6
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Krasinski CA, Solomon BL, Awwadi FF, Landee CP, Turnbull MM, Wikaira JL. Copper(II) halide salts and complexes of 4-amino-2-fluoropyridine: synthesis, structure and magnetic properties. J COORD CHEM 2017. [DOI: 10.1080/00958972.2016.1278213] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Claire A. Krasinski
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Benjamin L. Solomon
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Firas F. Awwadi
- Faculty of Science, Department of Chemistry, The University of Jordan, Amman, Jordan
| | | | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Jan L. Wikaira
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand
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7
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Naskar JP, Biswas C, Bandyopadhyay N, Walsh JPS, Tuna F, Zhu M, Lu L. Oximato-bridged copper(II) compounds: syntheses, molecular structures, magnetic, thermal and spectroscopic properties. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1208184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Jnan P. Naskar
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Calcutta, India
| | - Chiranjan Biswas
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Calcutta, India
| | - Nirmalya Bandyopadhyay
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Calcutta, India
| | - James P. S. Walsh
- EPSRC National UK EPR Facility, School of Chemistry and Photon Science Institute, University of Manchester, Manchester, UK
| | - Floriana Tuna
- EPSRC National UK EPR Facility, School of Chemistry and Photon Science Institute, University of Manchester, Manchester, UK
| | - Miaoli Zhu
- Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Shanxi University, Taiyuan, People’s Republic of China
| | - Liping Lu
- Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Shanxi University, Taiyuan, People’s Republic of China
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8
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Jaramillo-García J, Téllez-López A, Martínez-Domínguez R, Morales-Luckie RA, Martínez-Otero D, Sánchez-Mendieta V, Escudero R. 1D and 3D supramolecular structures exhibiting weak ferromagnetism in three Cu(II) complexes based on malonato and di-alkyl-2,2’-bipyridines. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1178728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | | | | | | | - Diego Martínez-Otero
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Toluca, Mexico
| | | | - Roberto Escudero
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Distrito Federal, Mexico
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9
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Wikaira JL, Butcher RJ, Kersen Ü, Turnbull MM. Magnetic properties of 4,4′-bipiperidinediium tetrahalocuprates: crystal structures of 4,4′-bipiperidinediium tetrabromocuprate(II) monohydrate and bis(4,4′-bipiperidinediium) hexabromodicuprate(I). J COORD CHEM 2015. [DOI: 10.1080/00958972.2015.1116687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Jan L. Wikaira
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand
| | | | - Ülo Kersen
- School of Chemical Technology, Aalto University, Aalto, Finland
| | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
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10
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Chans GM, Gómez E, Gómez-Vidales V, Toscano RA, Álvarez-Toledano C. Synthesis, molecular structure, and spectral analysis of copper(II) complexes derived from pyridinediols. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.982111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Guillermo M. Chans
- Instituto de Química, Universidad Nacional Autónoma de México, México D.F., Mexico
| | - Elizabeth Gómez
- Instituto de Química, Universidad Nacional Autónoma de México, México D.F., Mexico
| | | | - R. Alfredo Toscano
- Instituto de Química, Universidad Nacional Autónoma de México, México D.F., Mexico
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