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Landee CP, Dickie DA, Turnbull MM, Wikaira JL. Cu(II) complexes with coordinated pyrazine-dioxide: pyrazine-bridged chains. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2082293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Diane A. Dickie
- Department of Chemistry, University of Virginia, Charlottesville, VA, USA
| | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Jan L. Wikaira
- School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
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2
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Monroe JC, Carvajal MA, Landee CP, Deumal M, Turnbull MM, Wikaira JL, Dawe LN. Approaching the isotropic spin-ladder regime: structure and magnetism of all-pyrazine-bridged copper(II)-based antiferromagnetic ladders. Dalton Trans 2022; 51:4653-4667. [PMID: 35212329 DOI: 10.1039/d1dt04219j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The crystal structure and magnetic properties of two all-pyrazine-bridged antiferromagnetic spin ladders are reported. The complexes, catena-(bis(3-X-4-pyridone)(μ-pyrazine)copper(II)(-μ-pyrazine)diperchlorate ([Cu(pz)1.5(L)2](ClO4)2 where L = 3-X-4-pyridone and X = Br (1) or Cl (2)), contain copper(II)-based ladders in which both the rung and rail bridges are pyrazine molecules bonded through the x2-y2 orbital of the copper(II) ions. This structural scaffold is proposed to approach the isotropic spin-ladder regime. 1 and 2 crystallize in the monoclinic space group P21/c. Due to the bulk of the 3-X-4-HOpy ligands, the ladders are well isolated in the a-direction (1, 15.6 Å; 2, 15.5 Å). The ladders, which run in the b-direction, are stacked in the c-direction with the separation (1, 7.87 Å; 2, 7.82 Å) between copper(II) ions caused by the bulk of a semi-coordinate perchlorate ion coordinated in the axial position. Computational evaluation of magnetic JAB couplings between Cu-moieties of 2 supports the experimentally proposed magnetic topology and agrees with an isolated isotropic spin-ladder (Jrail = -4.04 cm-1 (-5.77 K) and Jrung = -3.89 cm-1 (-5.56 K)). These complexes introduce a convenient scaffold for synthesizing isotropic spin-ladders with modest superexchange interactions, the strength of which may be tuned by variations in L. The magnetic susceptibility down to 1.8 K, for both compounds, is well described by the strong-rung ladder model giving nearly isotropic exchange with Jrung ≈ Jrail ≈ -5.5 K (1) and -5.9 K (2) using the Hamiltonian. Theoretical simulations of the magnetic response of 2 using the isotropic ladder model are in excellent agreement with experiment. The measured magnetization to 5 T indicates a quantum-dominated magnetic spectrum. Again, calculated lower and saturation (4.3 and 24 T, respectively) critical fields for 2 are consistent with experimental measurements, and magnetization data at very low temperatures indeed suggest the presence of quantum effects. Further, the computational study of short- and long-range spin ordering indicates that a 2D-to-3D crossover might be feasible at lower temperatures. Analysis of the Boltzmann population corroborates the presence of accessible triplet states above the singlet ground state enabling the aforementioned 2D-to-3D crossover.
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Affiliation(s)
- Jeffrey C Monroe
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, MA 01610, USA.
| | - M Angels Carvajal
- Dept. Ciència de Materials i Química Física, & IQCTUB, Universitat de Barcelona, Martí i Franquès 1, Barcelona, E-08028, Spain
| | - Christopher P Landee
- Department of Physics, Clark University 950 Main Street, Worcester, MA 01610, USA
| | - Mercè Deumal
- Dept. Ciència de Materials i Química Física, & IQCTUB, Universitat de Barcelona, Martí i Franquès 1, Barcelona, E-08028, Spain
| | - Mark M Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, MA 01610, USA.
| | - Jan L Wikaira
- Department of Chemistry, University of Canterbury, 20 Kirkwood Ave, Upper Riccarton, Christchurch 8041, New Zealand
| | - Louise N Dawe
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, Waterloo, Ontario, Canada
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3
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Li L, Ding F, Zheng H, Pan B. Synthesis, Structure and Properties of a New Strong‐Rung Spin Ladder Compound Cu(2‐Ethylpyrazine)Br
2. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202100994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ling‐Li Li
- School of Physics and Optoelectronic Engineering Ludong University Yantai Shandong 264025 China
| | - Fei Ding
- School of Physics and Optoelectronic Engineering Ludong University Yantai Shandong 264025 China
| | - Hui Zheng
- School of Chemistry and Materials Science Ludong University Yantai Shandong 264025 China
| | - Bing‐Ying Pan
- School of Physics and Optoelectronic Engineering Ludong University Yantai Shandong 264025 China
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4
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Kirkman-Davis E, Witkos FE, Selmani V, Monroe JC, Landee CP, Turnbull MM, Dawe LN, Polson MIJ, Wikaira JL. Pyrazine-bridged Cu(ii) chains: diaquabis(n-methyl-2-pyridone)copper(ii) perchlorate complexes. Dalton Trans 2020; 49:13693-13703. [PMID: 32996511 DOI: 10.1039/d0dt02716b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A family of pyrazine-bridged, linear chain complexes of Cu(ii) of the formula [CuL2(H2O)2(pz)](ClO4)2 [pz = pyrazine; L = n-methyl-2(1H)-pyridone, n = 3 (1), 5 (2), and 6 (3)] has been prepared. Single-crystal X-ray diffraction shows six-coordinate, pyrazine-bridged chains with trans-pairs of ancillary ligands. The substituted pyridine molecules exist in their pyridone tautomers and are coordinated through the carbonyl oxygen atom. The structure is stabilized by intramolecular hydrogen bonds between the pyridone and water molecule, and via hydrogen bonds between the water molecules and perchlorate ions. 2 undergoes a crystallographic phase transition between C2/c (high temperature phase) and P1[combining macron] (low temperature phase). Powder EPR spectra reveal that all complexes are rhombic, although differences between gx and gy can only be seen clearly at Q-band. Variable temperature magnetic susceptibility data show antiferromagnetic interactions and the data were fit to the uniform chain model yielding J/kB = -9.8, -9.2 and -11 K for 1-3 respectively. Attempts to model an interchain interaction strength indicate that the chains are very well isolated.
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Affiliation(s)
- Emma Kirkman-Davis
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, MA 01610, USA.
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5
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Richardson P, Gálico DA, Ovens J, Sigoli FA, Murugesu M. Incorporation of a nitrogen-rich energetic ligand in a {Yb} complex exhibiting slow relaxation of the magnetisation under an applied field. Dalton Trans 2020; 49:10344-10348. [PMID: 32699872 DOI: 10.1039/d0dt00696c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Though often used as the precursor in energetic materials research and organic synthesis, 3,6-dihydrazinyl-1,2,4,5-tetrazine (dhtz) has not been previously explored in coordination chemistry. Herein, we present the first crystalline coordination compound with dhtz, [Yb2(dhtz)(fod)6] (fod- = 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate). This compound exhibits Single-Molecule Magnet behaviour under an applied magnetic field, and mJ states were resolved through luminescence studies.
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Affiliation(s)
- Paul Richardson
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, ON K1N 6N5, Canada.
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6
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Farris PC, Wall AD, Chellali JE, Chittim CL, Landee CP, Turnbull MM, Wikaira JL. Copper(II) halide complexes of aminopyridines: Syntheses, structures and magnetic properties of [(5CAP)2CuX2] and [(5BAP)nCuX2] (X = Cl, Br). J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1499901] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Penelope C. Farris
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA
| | - Alexander D. Wall
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA
| | - Jonathan E. Chellali
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA
| | - Carina L. Chittim
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA
| | | | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA
| | - Jan L. Wikaira
- Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch New Zealand
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7
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Jornet-Somoza J, Deumal M, Borge J, Robb MA. A Definition of the Magnetic Transition Temperature Using Valence Bond Theory. J Phys Chem A 2018; 122:2168-2177. [DOI: 10.1021/acs.jpca.7b10657] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Joaquim Jornet-Somoza
- Departament
de Ciència de Materials i Química Física and
IQTCUB, Facultat de Química, Universitat de Barcelona, Martí
i Franquès 1, E-08028 Barcelona, Spain
- Nano-Bio
Spectroscopy Group and ETSF Scientific Development Centre, Department
of Materials Physics, University of the Basque Country, CFM CSIC-UPV/EHU-MPC
and DIPC, Tolosa Hiribidea 72, E-20018 Donostia-San Sebastián, Spain
| | - Mercè Deumal
- Departament
de Ciència de Materials i Química Física and
IQTCUB, Facultat de Química, Universitat de Barcelona, Martí
i Franquès 1, E-08028 Barcelona, Spain
| | - Juan Borge
- Nano-Bio
Spectroscopy Group and ETSF Scientific Development Centre, Department
of Materials Physics, University of the Basque Country, CFM CSIC-UPV/EHU-MPC
and DIPC, Tolosa Hiribidea 72, E-20018 Donostia-San Sebastián, Spain
| | - Michael A. Robb
- Department
of Chemistry, Imperial College London, South Kensington Campus, SW7 2AZ London, United Kingdom
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8
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Lada ZG, Soto Beobide A, Savvidou A, Raptopoulou CP, Psycharis V, Voyiatzis GA, Turnbull MM, Perlepes SP. A unique copper(ii)-assisted transformation of acetylacetone dioxime in acetone that leads to one-dimensional, quinoxaline-bridged coordination polymers. Dalton Trans 2017; 46:260-274. [DOI: 10.1039/c6dt03595g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A novel CuII-assisted transformation of acetylacetone dioxime to coordinated quinoxaline has been discovered.
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Affiliation(s)
- Zoi G. Lada
- Foundation for Research and Technology- Hellas (FORTH)
- Institute of Chemical Engineering Sciences (ICE-HT)
- 26504 Patras
- Greece
- Department of Chemistry
| | - Amaia Soto Beobide
- Foundation for Research and Technology- Hellas (FORTH)
- Institute of Chemical Engineering Sciences (ICE-HT)
- 26504 Patras
- Greece
| | | | | | | | - George A. Voyiatzis
- Foundation for Research and Technology- Hellas (FORTH)
- Institute of Chemical Engineering Sciences (ICE-HT)
- 26504 Patras
- Greece
| | - Mark M. Turnbull
- Carlson School of Chemistry and Biochemistry
- Clark University
- Worcester
- USA
| | - Spyros P. Perlepes
- Foundation for Research and Technology- Hellas (FORTH)
- Institute of Chemical Engineering Sciences (ICE-HT)
- 26504 Patras
- Greece
- Department of Chemistry
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9
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Fumanal M, Deumal M. The quest for rationalizing the magnetism in purely organic semiquinone-bridged bisdithiazolyl molecular magnets. Phys Chem Chem Phys 2016; 18:20738-49. [PMID: 27412491 DOI: 10.1039/c6cp02699k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Semiquinone-bridged bisdithiazolyl-based radicals (XBBO) are appealing purely organic magnetic building blocks for the synthesis of new functional materials. Remarkably, for the phenyl-derivative PhBBO, the rationalization of its magnetism becomes a proof of concept that DFT can dramatically fail to evaluate JAB magnetic interactions between purely organic radical pairs. Instead, wavefunction-based methods are required. Once JAB's are fully characterized, the magnetic topology of PhBBO is disclosed to consist of ferromagnetic FM π-stacks that are very weakly coupled (by FM and AFM JAB interactions). The magnetic susceptibility χT(T) and magnetization M(H) of PhBBO are then calculated using a first-principles bottom-up approach. The study of the unit cell contraction upon cooling from room temperature to zero-Kelvin is relevant to propose a suitable model for the phase transition that occurs at 4.5 K. A simplistic picture tells us that the antiparallel-aligned 1D-FM-chains convert into domains of weakly either FM- or AFM-coupled 1D-FM-chains. Accordingly, the presence of these domains may introduce geometrical spin frustration below 4.5 K.
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Affiliation(s)
- Maria Fumanal
- Departament de Ciència de Materials i Química Física and IQTCUB, Universitat de Barcelona, Martí i Franquès 1, E-08028 Barcelona, Spain. and Laboratoire de Chimie Quantique, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Mercè Deumal
- Departament de Ciència de Materials i Química Física and IQTCUB, Universitat de Barcelona, Martí i Franquès 1, E-08028 Barcelona, Spain.
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10
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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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11
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Vela S, Fumanal M, Deumal M. The origin of the antiferromagnetic behaviour of the charge-transfer compound (HMTTF)[Ni(mnt)2]. Dalton Trans 2015; 44:608-14. [DOI: 10.1039/c4dt03117b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we disclose the origin of the magnetic behaviour of the remarkable (HMTTF)[Ni(mnt)2] charge-transfer compound.
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Affiliation(s)
- Sergi Vela
- Departament de Química Física & IQTCUB
- Facultat de Química
- Universitat de Barcelona
- Barcelona
- Spain
| | - Maria Fumanal
- Departament de Química Física & IQTCUB
- Facultat de Química
- Universitat de Barcelona
- Barcelona
- Spain
| | - Mercè Deumal
- Departament de Química Física & IQTCUB
- Facultat de Química
- Universitat de Barcelona
- Barcelona
- Spain
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12
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García-Saiz A, de Pedro I, Migowski P, Vallcorba O, Junquera J, Blanco JA, Fabelo O, Sheptyakov D, Waerenborgh JC, Fernández-Díaz MT, Rius J, Dupont J, Gonzalez JA, Fernández JR. Anion-π and halide-halide nonbonding interactions in a new ionic liquid based on imidazolium cation with three-dimensional magnetic ordering in the solid state. Inorg Chem 2014; 53:8384-96. [PMID: 25079377 DOI: 10.1021/ic500882z] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We present the first magnetic phase of an ionic liquid with anion-π interactions, which displays a three-dimensional (3D) magnetic ordering below the Néel temperature, TN = 7.7 K. In this material, called Dimim[FeBr4], an exhaustive and systematic study involving structural and physical characterization (synchrotron X-ray, neutron powder diffraction, direct current and alternating current magnetic susceptibility, magnetization, heat capacity, Raman and Mössbauer measurements) as well as first-principles analysis (density functional theory (DFT) simulation) was performed. The crystal structure, solved by Patterson-function direct methods, reveals a monoclinic phase (P21 symmetry) at room temperature with a = 6.745(3) Å, b = 14.364(3) Å, c = 6.759(3) Å, and β = 90.80(2)°. Its framework, projected along the b direction, is characterized by layers of cations [Dimim](+) and anions [FeBr4](-) that change the orientation from layer to layer, with Fe···Fe distances larger than 6.7 Å. Magnetization measurements show the presence of 3D antiferromagnetic ordering below TN with the existence of a noticeable magneto-crystalline anisotropy. From low-temperature neutron diffraction data, it can be observed that the existence of antiferromagnetic order is originated by the antiparallel ordering of ferromagnetic layers of [FeBr4](-) metal complex along the b direction. The magnetic unit cell is the same as the chemical one, and the magnetic moments are aligned along the c direction. The DFT calculations reflect the fact that the spin density of the iron ions spreads over the bromine atoms. In addition, the projected density of states (PDOS) of the imidazolium with the bromines of a [FeBr4](-) metal complex confirms the existence of the anion-π interaction. Magneto-structural correlations give no evidence for direct iron-iron interactions, corroborating that the 3D magnetic ordering takes place via superexchange coupling, the Fe-Br···Br-Fe interplane interaction being defined as the main exchange pathway.
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Affiliation(s)
- Abel García-Saiz
- CITIMAC, Facultad de Ciencias, Universidad de Cantabria , 39005 Santander, Spain
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13
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Vela S, Sopena A, Ribas-Arino J, Novoa JJ, Deumal M. Elucidating the 2D Magnetic Topology of the ‘Metal-Radical’ TTTA⋅Cu(hfac)2System. Chemistry 2014; 20:7083-90. [DOI: 10.1002/chem.201304712] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Indexed: 11/08/2022]
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14
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Landee CP, Turnbull MM. Review: A gentle introduction to magnetism: units, fields, theory, and experiment. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.889294] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Christopher P. Landee
- Department of Physics and Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
| | - Mark M. Turnbull
- Department of Physics and Carlson School of Chemistry and Biochemistry, Clark University, Worcester, MA, USA
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15
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Vela S, Deumal M, Turnbull MM, Novoa JJ. A theoretical analysis of the magnetic properties of the low dimensional bis(2-chloropyrazine)dichlorocopper(II) molecule-based magnet. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.03.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Vela S, Jornet-Somoza J, Turnbull MM, Feyerherm R, Novoa JJ, Deumal M. Dividing the Spoils: Role of Pyrazine Ligands and Perchlorate Counterions in the Magnetic Properties of Bis(pyrazine)diperchloratecopper(II), [Cu(pz)2](ClO4)2. Inorg Chem 2013; 52:12923-32. [DOI: 10.1021/ic400712s] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sergi Vela
- Departament de Química Física & IQTCUB, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
| | - Joaquim Jornet-Somoza
- Departament de Química Física & IQTCUB, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
- Institut Charles GERHARDT-CNRS 5253, Université Montpellier 2, CC15001, Place Eugène Bataillon, 34095 Montpellier, France
| | - Mark M. Turnbull
- Carlson School
of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, Massachusetts 01610, United States
| | - Ralf Feyerherm
- Helmholtz-Zentrum
Berlin für Materialien und Energie, 14109 Berlin, Germany
| | - Juan J. Novoa
- Departament de Química Física & IQTCUB, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
| | - Mercè Deumal
- Departament de Química Física & IQTCUB, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
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17
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Malrieu JP, Caballol R, Calzado CJ, de Graaf C, Guihéry N. Magnetic interactions in molecules and highly correlated materials: physical content, analytical derivation, and rigorous extraction of magnetic Hamiltonians. Chem Rev 2013; 114:429-92. [PMID: 24102410 DOI: 10.1021/cr300500z] [Citation(s) in RCA: 282] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jean Paul Malrieu
- Laboratoire de Chimie et Physique Quantiques, Université de Toulouse 3 , 118 route de Narbonne, 31062 Toulouse, France
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18
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Landee CP, Turnbull MM. Recent Developments in Low-Dimensional Copper(II) Molecular Magnets. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300133] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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Assigning the dimensionality in low-dimensional materials: A rigorous study of the dimensionality of (2,5-dimethylpyrazine)CuCl2. Polyhedron 2013. [DOI: 10.1016/j.poly.2012.07.085] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Lekin K, Wong JWL, Winter SM, Mailman A, Dube PA, Oakley RT. Bisdithiazolyl Radical Spin Ladders. Inorg Chem 2013; 52:2188-98. [DOI: 10.1021/ic302658c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kristina Lekin
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1,
Canada
| | - Joanne W. L. Wong
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1,
Canada
| | - Stephen M. Winter
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1,
Canada
| | - Aaron Mailman
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1,
Canada
| | - Paul A. Dube
- Brockhouse Institute
for Materials Research, McMaster University, Hamilton, Ontario L8S 4M1, Canada
| | - Richard T. Oakley
- Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1,
Canada
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21
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Abdalrahman MA, Awwadi FF, Jameson GB, Landee CP, Saunders CG, Turnbull MM, Wikaira JL. Effects of halogen and hydrogen bonding on defect disorder: the ladder that wasn't there. CrystEngComm 2013. [DOI: 10.1039/c3ce40444g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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