1
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Horniichuk OY, Vendier L, Salmon L, Bousseksou A. Gradual spin crossover behavior encompasing room temperature in an iron(II) complex based on a heteroscorpionate ligand. Dalton Trans 2024. [PMID: 39363738 DOI: 10.1039/d4dt02244k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2024]
Abstract
In this paper, we report the synthesis of six novel triazole-based heteroscorpionate ligands based on heterocycle metathesis reactions and their iron(II) complexes. Single crystal structure analyses were performed, the spectroscopic and magnetic properties of the obtained complexes were studied and their spin crossover-structural relationships were compared to those obtained for their pyrazole-based analogues reported in the literature. In particular, the amino derivative complex bis[hydrobis(pyrazol-1-yl)(3-amino-1,2,4-triazol-1-yl)]iron(II) obtained by post-synthetic catalytic nitro-group reduction under pressure of hydrogen in an autoclave presents a scarce gradual spin crossover behavior at room temperature. The profile of the SCO curve can be explained by the presence of only relatively weak H bonds, spreading only in one dimension. Among the interesting spin transition behaviors observed for the different complexes, such stable, complete and gradual spin crossover at room temperature makes this neutral complex a good candidate for sublimation and future investigation as an active element notably for thermoreflectance-based surface microthermometry applications.
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Affiliation(s)
- Oleksandr Ye Horniichuk
- LCC, CNRS and Université de Toulouse (UPS, INP), 205 Route de Narbonne, F-31077 Toulouse, France.
| | - Laure Vendier
- LCC, CNRS and Université de Toulouse (UPS, INP), 205 Route de Narbonne, F-31077 Toulouse, France.
| | - Lionel Salmon
- LCC, CNRS and Université de Toulouse (UPS, INP), 205 Route de Narbonne, F-31077 Toulouse, France.
| | - Azzedine Bousseksou
- LCC, CNRS and Université de Toulouse (UPS, INP), 205 Route de Narbonne, F-31077 Toulouse, France.
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2
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Desrochers PJ, Abdulrahim A, Demaree KR, Fortner JA, Freeman JD, Provorse Long M, Martin ME, Gómez-García CJ, Gerasimchuk N. Rational Design of Iron Spin-Crossover Complexes Using Heteroscorpionate Chelates. Inorg Chem 2022; 61:18907-18922. [DOI: 10.1021/acs.inorgchem.2c02856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Patrick J. Desrochers
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Ali Abdulrahim
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Katherine R. Demaree
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Joseph A. Fortner
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Jamie D. Freeman
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Makenzie Provorse Long
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Madison E. Martin
- Department of Chemistry and Biochemistry, University of Central Arkansas, Conway, Arkansas72035, United States
| | - Carlos J. Gómez-García
- Departamento de Química Inorgánica, Universidad de Valencia, C/Dr. Moliner, 50. 46100Burjassot, Valencia, Spain
| | - Nikolay Gerasimchuk
- Department of Chemistry, Temple Hall 456, Missouri State University, Springfield, Missouri65897, United States
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3
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Ma C, Besson C. Precise control of the degree and regioselectivity of functionalization in nitro- and amino-functionalized di(trispyrazolylborato)iron(II) spin crossover complexes. Dalton Trans 2021; 50:18077-18088. [PMID: 34846411 DOI: 10.1039/d1dt03445f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Di(trispyrazolylborato)iron(II) ([Tp2Fe]) complexes represent one of the most robust classes of spin-crossover complexes. Their stability renders them particularly suitable for integration in nanoscale devices, e.g. as sensors or information storage units. While prior studies of the functionalization of those derivatives have been focused on the electronic and steric effects of alkyl and -CF3 groups in position 3, a pyrazole exchange reaction between nitropyrazole and either trispyrazolylborate or its iron complex allows the regioselective installation of nitro substituents in positions 3, 4 and 5 of the [Tp2Fe] complexes. The degree of substitution can be varied from 1 to 4 functionalized pyrazoles per complex. The amine-functionalized analogues are accessed by reduction of the nitro analogues under hydrogen transfer conditions. With the exception of di- and tetra-3-NO2 substituted complexes, all derivatives display spin crossover properties in the solid state, with transition temperatures ranging from 180 to 380 K and showing different degrees of abruptness but no hysteresis. The Slichter-Drickamer model was used to extract the empirical thermodynamic transition parameters, allowing a systematic investigation of the influence of stoichiometry, position, and electronic nature of the substitution on the magnetic properties of the complexes. The steric effects dominate for substitution in position 3 but the electronic effects are significant for the other positions.
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Affiliation(s)
- Chenyang Ma
- Department of Chemistry, The George Washington University, 800 22nd Street NW, Washington, D.C. 20052, USA.
| | - Claire Besson
- Department of Chemistry, The George Washington University, 800 22nd Street NW, Washington, D.C. 20052, USA.
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4
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Wang D, Gardinier JR. The Electronic Properties of Ni(PNN) Pincer Complexes Modulate Activity in Catalytic Hydrodehalogenation Reactions. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000721] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Denan Wang
- Department of Chemistry Marquette University Milwaukee WI 53201‐1881 USA
| | - James R. Gardinier
- Department of Chemistry Marquette University Milwaukee WI 53201‐1881 USA
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5
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Benedikter M, Musso J, Kesharwani MK, Sterz KL, Elser I, Ziegler F, Fischer F, Plietker B, Frey W, Kästner J, Winkler M, van Slageren J, Nowakowski M, Bauer M, Buchmeiser MR. Charge Distribution in Cationic Molybdenum Imido Alkylidene N-Heterocyclic Carbene Complexes: A Combined X-ray, XAS, XES, DFT, Mössbauer, and Catalysis Approach. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03978] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Mathis Benedikter
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Janis Musso
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Manoj K. Kesharwani
- Institute of Theoretical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - K. Leonard Sterz
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Iris Elser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Felix Ziegler
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Felix Fischer
- Faculty of Chemistry and Food Chemistry, Technical University of Dresden, Bergstrasse 66, D-01069 Dresden, Germany
| | - Bernd Plietker
- Faculty of Chemistry and Food Chemistry, Technical University of Dresden, Bergstrasse 66, D-01069 Dresden, Germany
| | - Wolfgang Frey
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Johannes Kästner
- Institute of Theoretical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Mario Winkler
- Institute of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Joris van Slageren
- Institute of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Michal Nowakowski
- Department of Chemistry, University of Paderborn, Warburger Str. 100, D-33098 Paderborn, Germany
| | - Matthias Bauer
- Department of Chemistry, University of Paderborn, Warburger Str. 100, D-33098 Paderborn, Germany
| | - Michael R. Buchmeiser
- Institute of Polymer Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
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6
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Biggins N, Ziebel ME, Gonzalez MI, Long JR. Crystallographic characterization of the metal-organic framework Fe 2(bdp) 3 upon reductive cation insertion. Chem Sci 2020; 11:9173-9180. [PMID: 34123166 PMCID: PMC8163410 DOI: 10.1039/d0sc03383a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Precisely locating extra-framework cations in anionic metal–organic framework compounds remains a long-standing, yet crucial, challenge for elucidating structure–performance relationships in functional materials. Single-crystal X-ray diffraction is one of the most powerful approaches for this task, but single crystals of frameworks often degrade when subjected to post-synthetic metalation or reduction. Here, we demonstrate the growth of sizable single crystals of the robust metal–organic framework Fe2(bdp)3 (bdp2− = benzene-1,4-dipyrazolate) and employ single-crystal-to-single-crystal chemical reductions to access the solvated framework materials A2Fe2(bdp)3·yTHF (A = Li+, Na+, K+). X-ray diffraction analysis of the sodium and potassium congeners reveals that the cations are located near the center of the triangular framework channels and are stabilized by weak cation–π interactions with the framework ligands. Freeze-drying with benzene enables isolation of activated single crystals of Na0.5Fe2(bdp)3 and Li2Fe2(bdp)3 and the first structural characterization of activated metal–organic frameworks wherein extra-framework alkali metal cations are also structurally located. Comparison of the solvated and activated sodium-containing structures reveals that the cation positions differ in the two materials, likely due to cation migration that occurs upon solvent removal to maximize stabilizing cation–π interactions. Hydrogen adsorption data indicate that these cation–framework interactions are sufficient to diminish the effective cationic charge, leading to little or no enhancement in gas uptake relative to Fe2(bdp)3. In contrast, Mg0.85Fe2(bdp)3 exhibits enhanced H2 affinity and capacity over the non-reduced parent material. This observation shows that increasing the charge density of the pore-residing cation serves to compensate for charge dampening effects resulting from cation–framework interactions and thereby promotes stronger cation–H2 interactions. Single-crystal X-ray diffraction reveals structural influences on gas adsorption properties in anionic metal–organic frameworks.![]()
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Affiliation(s)
- Naomi Biggins
- Department of Chemistry, University of California Berkeley California 94720 USA .,Materials Sciences Division, Lawrence Berkeley National Laboratory Berkeley California 94720 USA
| | - Michael E Ziebel
- Department of Chemistry, University of California Berkeley California 94720 USA .,Materials Sciences Division, Lawrence Berkeley National Laboratory Berkeley California 94720 USA
| | - Miguel I Gonzalez
- Department of Chemistry, University of California Berkeley California 94720 USA
| | - Jeffrey R Long
- Department of Chemistry, University of California Berkeley California 94720 USA .,Department of Chemical and Biomolecular Engineering, University of California Berkeley California 94720 USA.,Materials Sciences Division, Lawrence Berkeley National Laboratory Berkeley California 94720 USA
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7
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Ossinger S, Näther C, Tuczek F. Crystal structure of bis-{(3,5-di-methyl-pyrazol-1-yl)di-hydro-[3-(pyridin-2-yl)pyrazol-1-yl]-borato}iron(II). Acta Crystallogr E Crystallogr Commun 2020; 76:1266-1270. [PMID: 32844011 PMCID: PMC7405558 DOI: 10.1107/s2056989020009214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 07/06/2020] [Indexed: 11/10/2022]
Abstract
The structure determination of [Fe(C13H15BN5)2] was undertaken as part of a project on the modification of the recently published spin-crossover (SCO) complex [Fe{H2B(pz)(pypz)}2] (pz = pyrazole, pypz = pyridyl-pyrazole). To this end, a new ligand was synthesized in which two additional methyl groups are present. Its reaction with iron tri-fluoro-methane-sulfonate led to a pure sample of the title compound, as proven by X-ray powder diffraction. The asymmetric unit consists of one complex mol-ecule in a general position. The FeII atom is coordinated by two tridentate N-binding {H2B(3,5-(CH3)2-pz)(pypz)}- ligands. The Fe-N bond lengths range between 2.1222 (13) and 2.3255 (15) Å, compatible with FeII in the high-spin state, which was also confirmed by magnetic measurements. Other than a very weak C-H⋯N non-classical hydrogen bond linking individual mol-ecules into rows extending parallel to [010], there are no remarkable inter-molecular inter-actions.
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Affiliation(s)
- Sascha Ossinger
- Institut für Anorganische Chemie, Christian-Albrechts-Universität Kiel, Max-Eyth-Str. 2, D-24118 Kiel, Germany
| | - Christian Näther
- Institut für Anorganische Chemie, Christian-Albrechts-Universität Kiel, Max-Eyth-Str. 2, D-24118 Kiel, Germany
| | - Felix Tuczek
- Institut für Anorganische Chemie, Christian-Albrechts-Universität Kiel, Max-Eyth-Str. 2, D-24118 Kiel, Germany
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8
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Essex LA, McSkimming A, Thompson NB, Kelty ML, Hill EA, Harman WH. η2-Arene Binding at High-Spin Fe(I) Enabled by a Sterically Accommodating Tris(pyrazolyl)hydroborate Ligand. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00340] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Laura A. Essex
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Alex McSkimming
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Niklas B. Thompson
- Massachusetts Institute of Technology, 32 Vassar Street, Cambridge, Massachusetts 02139, United States
| | - Margaret L. Kelty
- University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Ethan A. Hill
- University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - W. Hill Harman
- Department of Chemistry, University of California, Riverside, California 92521, United States
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9
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Ossinger S, Näther C, Buchholz A, Schmidtmann M, Mangelsen S, Beckhaus R, Plass W, Tuczek F. Spin Transition of an Iron(II) Organoborate Complex in Different Polymorphs and in Vacuum-Deposited Thin Films: Influence of Cooperativity. Inorg Chem 2020; 59:7966-7979. [PMID: 32036663 DOI: 10.1021/acs.inorgchem.9b03354] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Two polymorphic modifications (1-I and 1-II) of the new spin crossover (SCO) complex [Fe{H2B(pz)(pypz)}2] (pz = pyrazole, pypz = pyridylpyrazole; 1) were prepared and investigated by differential scanning calorimetry (DSC), magnetic measurements, Mößbauer, vibrational, and absorption spectroscopy as well as single-crystal and X-ray powder diffraction. DSC measurements reveal that upon heating the thermodynamically metastable form 1-II to ∼178 °C it transforms into 1-I in an exothermic reaction, which proves that these modifications are related by monotropism. Both forms show thermal SCO with T1/2 values of 390 K (1-II) and 270 K (1-I). An analysis of the crystal structures of 1-II and the corresponding Zn(II) (2) and Co(II) (3) complexes that are isotypic with 1-I reveals that form II consists of dimers coupled by strong intramolecular π···π interactions, which is not the case for 1-I. In agreement with these findings, investigations of thin films of 1, where significant π···π interactions should be absent, reveal SCO behavior similar to that of 1-I. These results underscore the importance of cooperativity for the spin-transition behavior of this class of complexes.
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Affiliation(s)
- Sascha Ossinger
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Str.2, 24118 Kiel, Germany
| | - Christian Näther
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Str.2, 24118 Kiel, Germany
| | - Axel Buchholz
- Institute of Inorganic and Analytical Chemistry, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Marc Schmidtmann
- Institute for Chemistry, Carl von Ossietzky University Oldenburg, 26111 Oldenburg, Germany
| | - Sebastian Mangelsen
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Str.2, 24118 Kiel, Germany
| | - Rüdiger Beckhaus
- Institute for Chemistry, Carl von Ossietzky University Oldenburg, 26111 Oldenburg, Germany
| | - Winfried Plass
- Institute of Inorganic and Analytical Chemistry, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Felix Tuczek
- Institute of Inorganic Chemistry, Christian-Albrechts-University Kiel, Max-Eyth-Str.2, 24118 Kiel, Germany
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10
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Gardinier JR, Meise KJ, Jahan F, Wang D, Lindeman SV. Selective Isomer Formation and Crystallization-Directed Magnetic Behavior in Nitrogen-Confused C-Scorpionate Complexes of Fe(O 3SCF 3) 2. Inorg Chem 2019; 58:8953-8968. [PMID: 31247826 DOI: 10.1021/acs.inorgchem.8b03454] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The complex [Fe(HL*)2](OTf)2, 1, where HL* = bis(3,5-dimethylpyrazol-1-yl)(3-1H-pyrazole)methane, was prepared in order to compare its magnetic properties with those of the analogous parent complex, [Fe(HL)2](OTf)2, that lacks methyl groups on pyrazolyl rings and that undergoes spin crossover (SCO) from the low spin (LS) to the high spin (HS) form above room temperature. It was anticipated that this new semibulky derivative should favor the HS state and undergo SCO at a lower temperature range. During this study, six crystalline forms of 1 were prepared by controlling the crystallization conditions. Thus, when reagents are combined in CH3CN, an equilibrium mixture of cis and trans isomers is established that favors the latter below 311 K. The trans isomer can be isolated exclusively as a mixture of solvates, LS trans-1·2CH3CN and HS trans-1·4CH3CN, by cooling CH3CN solutions to -20 °C with the former being favored at high concentrations and short crystallization times. Subsequently, vapor diffusion of Et2O into CH3CN solutions of pure trans-1·2CH3CN gives solvate-free HS trans-1. Subjecting trans-1·2CH3CN to vacuum at room temperature gives microcrystalline trans-1·CH3CN, identified by elemental analysis and its distinct powder X-ray diffraction pattern. If an isomeric mixture of 1 is subject to room-temperature vapor diffusion, then a crystalline mixture of HS isomers cis-1 and trans-1 is obtained. Finally, slowly cooling hot acetonitrile solutions of isomeric mixtures of 1 to room temperature gives large prisms of HS co-1, a species with both cis and trans isomers in the unit cell. The complexes trans-1, trans-1·CH3CN, cis-1, and co-1 undergo SCO below 250 K while trans-1·xCH3CN (x = 2, 4) solvates do not undergo SCO before desolvation.
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Affiliation(s)
- James R Gardinier
- Department of Chemistry , Marquette University , Milwaukee , Wisconsin 53201-1881 , United States
| | - Kristin J Meise
- Department of Chemistry , Marquette University , Milwaukee , Wisconsin 53201-1881 , United States
| | - Fathiya Jahan
- Department of Chemistry , Marquette University , Milwaukee , Wisconsin 53201-1881 , United States
| | - Denan Wang
- Department of Chemistry , Marquette University , Milwaukee , Wisconsin 53201-1881 , United States
| | - Sergey V Lindeman
- Department of Chemistry , Marquette University , Milwaukee , Wisconsin 53201-1881 , United States
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11
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Vela S, Paulsen H. Cooperativity in Spin Crossover Systems. An Atomistic Perspective on the Devil's Staircase. Inorg Chem 2018; 57:9478-9488. [PMID: 30040398 DOI: 10.1021/acs.inorgchem.8b01463] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cooperativity is key in defining the shape (i.e., gradual, abrupt, or hysteretic) of thermally driven spin transitions in magnetic switches. Despite its importance, there is very little information on its atomistic origin, which hinders the rational design of materials displaying a bistability region (i.e., hysteresis). In this paper, we investigate the spin transition of two solvatomorphs of [Fe(2-pic)3]Cl2, an Fe(II)-complex displaying thermal spin crossover (SCO) from a low-spin (LS) to a high-spin (HS) state with either gradual or abrupt two-step character. To do it, we apply a novel computational protocol to study the cooperativity of SCO compounds from DFT calculations, which does not rely on a priori assumptions on the studied system. The distinct shape of the spin transition is successfully captured, and the atomistic origin of cooperativity is traced back to geometrical distortions of the Fe-N6 core in case of the solvatomorph exhibiting an abrupt transition. According to our calculations, HS and LS molecules contribute differently to cooperativity, which results in a complex energetic evolution of the spin transition that cannot be described by the common Slichter-Drickamer model. The present work opens new avenues for the study of cooperativity of SCO systems having a chemically oriented perspective and demonstrates that quantum chemistry calculations can discriminate the shape of a spin transition, while providing insight into the atomistic underlying factors that contribute to its cooperative behavior.
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Affiliation(s)
- Sergi Vela
- Laboratoire de Chimie Quantique, UMR 7111 , CNRS-Université de Strasbourg , 4 rue Blaise Pascal , F-67000 Strasbourg , France
| | - Hauke Paulsen
- Institut für Physik , Universität zu Lübeck , Ratzeburger Allee 160 , D-23562 Lübeck , Germany
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12
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Das UK, Daifuku SL, Iannuzzi TE, Gorelsky SI, Korobkov I, Gabidullin B, Neidig ML, Baker RT. Iron(II) Complexes of a Hemilabile SNS Amido Ligand: Synthesis, Characterization, and Reactivity. Inorg Chem 2017; 56:13766-13776. [PMID: 29112382 DOI: 10.1021/acs.inorgchem.7b01802] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
We report an easily prepared bis(thioether) amine ligand, SMeNHSMe, along with the synthesis, characterization, and reactivity of the paramagnetic iron(II) bis(amido) complex, [Fe(κ3-SMeNSMe)2] (1). Binding of the two different thioethers to Fe generates both five- and six-membered rings with Fe-S bonds in the five-membered rings (av 2.54 Å) being significantly shorter than those in the six-membered rings (av 2.71 Å), suggesting hemilability of the latter thioethers. Consistent with this hypothesis, magnetic circular dichroism (MCD) and computational (TD-DFT) studies indicate that 1 in solution contains a five-coordinate component [Fe(κ3-SMeNSMe)(κ2-SMeNSMe)] (2). This ligand hemilability was demonstrated further by reactivity studies of 1 with 2,2'-bipyridine, 1,2-bis(dimethylphosphino)ethane, and 2,6-dimethylphenyl isonitrile to afford iron(II) complexes [L2Fe(κ2-SMeNSMe)2] (3-5). Addition of a Brønsted acid, HNTf2, to 1 produces the paramagnetic, iron(II) amine-amido cation, [Fe(κ3-SMeNSMe)(κ3-SMeNHSMe)](NTf2) (6; Tf = SO2CF3). Cation 6 readily undergoes amine ligand substitution by triphos, affording the 16e- complex [Fe(κ2-SMeNSMe)(κ3-triphos)](NTf2) (7; triphos = bis(2-diphenylphosphinoethyl)phenylphosphine). These complexes are characterized by elemental analysis; 1H NMR, Mössbauer, IR, and UV-vis spectroscopy; and single-crystal X-ray diffraction. Preliminary results of amine-borane dehydrogenation catalysis show complex 7 to be a selective and particularly robust precatalyst.
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Affiliation(s)
- Uttam K Das
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa , Ottawa, Ontario K1N 6N5, Canada
| | - Stephanie L Daifuku
- Department of Chemistry, University of Rochester , Rochester, New York 14627, United States
| | - Theresa E Iannuzzi
- Department of Chemistry, University of Rochester , Rochester, New York 14627, United States
| | - Serge I Gorelsky
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa , Ottawa, Ontario K1N 6N5, Canada
| | - Ilia Korobkov
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa , Ottawa, Ontario K1N 6N5, Canada
| | - Bulat Gabidullin
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa , Ottawa, Ontario K1N 6N5, Canada
| | - Michael L Neidig
- Department of Chemistry, University of Rochester , Rochester, New York 14627, United States
| | - R Tom Baker
- Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa , Ottawa, Ontario K1N 6N5, Canada
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13
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Wang S, Li YJ, Ju FF, Xu WT, Kagesawa K, Li YH, Yamashita M, Huang W. The molecular and supramolecular aspects in mononuclear manganese(iii) Schiff-base spin crossover complexes. Dalton Trans 2017; 46:11063-11077. [DOI: 10.1039/c7dt01718a] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A cooperative SCO process with a hysteresis width of 18 K is the largest one reported in d4 SCO chemistry.
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Affiliation(s)
- Shi Wang
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Ya-Juan Li
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Fei-Fei Ju
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Wu-Tan Xu
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Koichi Kagesawa
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Yong-Hua Li
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Masahiro Yamashita
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Wei Huang
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
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14
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The Effect of Ligand Design on Metal Ion Spin State—Lessons from Spin Crossover Complexes. CRYSTALS 2016. [DOI: 10.3390/cryst6050058] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Hein NM, Suzuki T, Ogawa T, Fryzuk MD. Low coordinate iron derivatives stabilized by a β-diketiminate mimic. Synthesis and coordination chemistry of enamidophosphinimine scaffolds to generate diiron dinitrogen complexes. Dalton Trans 2016; 45:14697-708. [DOI: 10.1039/c6dt01673a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reduction of the iron enamido-phosphinimine complex under N2 leads to dinitrogen activation and cleavage of the phosphinimine linkage to generate a di-iron complex with a bridging imido moiety.
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Affiliation(s)
- Nicholas M. Hein
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Tatsuya Suzuki
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Takahiko Ogawa
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
| | - Michael D. Fryzuk
- Department of Chemistry
- The University of British Columbia
- Vancouver
- Canada
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16
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Qin LF, Pang CY, Han WK, Zhang FL, Tian L, Gu ZG, Ren X, Li Z. Spin crossover properties of enantiomers, co-enantiomers, racemates, and co-racemates. Dalton Trans 2016; 45:7340-8. [DOI: 10.1039/c6dt00210b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spin-crossover Puzzle: SCO co-enantiomers, racemates, and co-racemates were successfully assembled via cocrystallization of four prefabricated enantiomeric iron(ii) modules 4R, 4S, 5R and 5S.
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Affiliation(s)
- Long-Fang Qin
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Chun-Yan Pang
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Wang-Kang Han
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Feng-Li Zhang
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Lei Tian
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Zhi-Guo Gu
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
| | - Xuehong Ren
- The Key Laboratory of Eco-textiles of Ministry of Education
- College of Textiles and Clothing
- Jiangnan University
- Wuxi 214122
- China
| | - Zaijun Li
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
- China
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17
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Gardinier JR, Treleven AR, Meise KJ, Lindeman SV. Accessing spin-crossover behaviour in iron(ii) complexes of N-confused scorpionate ligands. Dalton Trans 2016; 45:12639-43. [DOI: 10.1039/c6dt01898j] [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
Scorpionates with a dislocated pyrazolyl have been prepared on a large scale to allow new variations in iron(ii) spin-crossover materials.
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Affiliation(s)
| | - Alex R. Treleven
- Department of Chemistry
- Marquette University
- Milwaukee
- USA 53201-1881
| | - Kristin J. Meise
- Department of Chemistry
- Marquette University
- Milwaukee
- USA 53201-1881
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18
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Wang S, Xu WT, He WR, Takaishi S, Li YH, Yamashita M, Huang W. Structural insights into the counterion effects on the manganese(iii) spin crossover system with hexadentate Schiff-base ligands. Dalton Trans 2016; 45:5676-88. [DOI: 10.1039/c5dt04824a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The close stacking and arrangement preclude the spin transformation of the Mn(iii) Schiff-base cations.
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Affiliation(s)
- Shi Wang
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Wu-Tan Xu
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Wen-Rui He
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Shinya Takaishi
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Yong-Hua Li
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
| | - Masahiro Yamashita
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Wei Huang
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts & Telecommunications
- Nanjing 210023
- China
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19
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Cook LJK, Kulmaczewski R, Cespedes O, Halcrow MA. Different Spin-State Behaviors in Isostructural Solvates of a Molecular Iron(II) Complex. Chemistry 2015; 22:1789-99. [DOI: 10.1002/chem.201503989] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Laurence J. Kershaw Cook
- School of Chemistry; University of Leeds; Woodhouse Lane Leeds LS2 9JT UK), Fax
- Department of Chemistry; University of Bath; Claverton Down Bath BA2 7AY UK)
| | - Rafal Kulmaczewski
- School of Chemistry; University of Leeds; Woodhouse Lane Leeds LS2 9JT UK), Fax
| | - Oscar Cespedes
- School of Physics and Astronomy; University of Leeds; E.C. Stoner Building Leeds LS2 9JT UK)
| | - Malcolm A. Halcrow
- School of Chemistry; University of Leeds; Woodhouse Lane Leeds LS2 9JT UK), Fax
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20
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Gruden-Pavlović M, Stepanović S, Perić M, Güell M, Swart M. A density functional study of the spin state energetics of polypyrazolylborato complexes of first-row transition metals. Phys Chem Chem Phys 2014; 16:14514-22. [DOI: 10.1039/c3cp55488k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Setifi F, Milin E, Charles C, Thétiot F, Triki S, Gómez-García CJ. Spin crossover iron(II) coordination polymer chains: syntheses, structures, and magnetic characterizations of [Fe(aqin)2(μ2-M(CN)4)] (M = Ni(II), Pt(II), aqin = quinolin-8-amine). Inorg Chem 2013; 53:97-104. [PMID: 24358979 DOI: 10.1021/ic401721x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
New Fe(II) coordination polymeric neutral chains of formula [Fe(aqin)2(μ2-M(CN)4)] (M = Ni(II) (1) and Pt(II) (2)) (aqin = Quinolin-8-amine) have been synthesized and characterized by infrared spectroscopy, X-ray diffraction, and magnetic measurements. The crystal structure determinations of 1-2 reveal in both cases a one-dimensional structure in which the planar [M(CN)4](2-) (M = Ni(II) (1) and Pt(II) (2)) anion acts as a μ2-bridging ligand, and the two aqin molecules as chelating coligands. Examination of the intermolecular contacts in the two compounds reveals that the main contacts are ascribed to hydrogen bonding interactions involving the amine groups of the aqin chelating ligands and the nitrogen atoms of the two non bridging CN groups of the [M(CN)4](2-) (M = Ni(II) (1) and Pt(II) (2)) anion. The average values of the six Fe-N distances observed respectively at room temperature (293 K) and low temperature (120 K), that is, 2.142(3) and 2.035(2) Å for 1, and 2.178(3) and 1.990(2) Å for 2, and the thermal variation of the cell parameters (performed on 2) are indicative of the presence of an abrupt HS-LS spin crossover (SCO) transition in both compounds. The thermal dependence of the product of the molar magnetic susceptibility times the temperature (χmT), in cooling and warming modes, confirms the SCO behavior at about 145 and 133 K in 1 and 2, respectively, and reveals the presence of a small thermal hysteresis of about 2 K for each compound.
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Affiliation(s)
- Fatima Setifi
- UMR CNRS 6521, Chimie, Electrochimie Moléculaires, Chimie Analytique, Université de Bretagne Occidentale , BP 809, 29285 Brest Cedex, France
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22
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McDaniel AM, Klug CM, Shores MP. Synthesis of Functionalized Hexadentate Iminopyridine FeIIComplexes - Toward Anion-Dependent Spin Switching in Polar Media. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201201086] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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23
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Wanniarachchi S, Liddle BJ, Kizer B, Hewage JS, Lindeman SV, Gardinier JR. Syntheses and Electronic Properties of Rhodium(III) Complexes Bearing a Redox-Active Ligand. Inorg Chem 2012; 51:10572-80. [DOI: 10.1021/ic300772h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Sarath Wanniarachchi
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881,
United States
| | - Brendan J. Liddle
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881,
United States
| | - Brandon Kizer
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881,
United States
| | - Jeewantha S. Hewage
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881,
United States
| | - Sergey V. Lindeman
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881,
United States
| | - James R. Gardinier
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881,
United States
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24
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Goodman MA, Nazarenko AY, Casavant BJ, Li Z, Brennessel WW, DeMarco MJ, Long G, Goodman MS. Tris(5-methylpyrazolyl)methane: Synthesis and Properties of Its Iron(II) Complex. Inorg Chem 2011; 51:1084-93. [DOI: 10.1021/ic2022038] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Margaret A. Goodman
- Department of Math and Natural
Sciences, D’Youville College, Buffalo,
New York 14201, United States
| | | | | | | | - William W. Brennessel
- Department of Chemistry, University of Rochester, Rochester, New York 14627,
United States
| | - Michael J. DeMarco
- Department
of Physics, SUNY at Buffalo, Buffalo, New
York 14260, United States
| | - Gen Long
- Department
of Physics, SUNY at Buffalo, Buffalo, New
York 14260, United States
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25
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Furukawa S, Hitomi Y, Shishido T, Teramura K, Tanaka T. π Back-bonding of iron(II) complexes supported by tris(pyrid-2-ylmethyl)amine and its nitro-substituted derivatives. J Phys Chem A 2011; 115:13589-95. [PMID: 21992441 DOI: 10.1021/jp2069539] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The electronic and geometric structures of a series of iron(II) complexes supported by tetradentate tris(pyrid-2-ylmethyl)amine-type ligands with different numbers of 4-nitropyridine groups, [(PyCH(2))(3-n)(4-NO(2)PyCH(2))(n)N] (n = 0-3), were examined by X-ray absorption fine-structure and variable-temperature (1)H NMR spectroscopies and theoretical calculations to reveal how the low-spin state is stabilized through π back-bonding interactions between iron(II) and 4-nitropyridine donor group(s).
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Affiliation(s)
- Shinya Furukawa
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, Japan
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26
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Park H, Baus JS, Lindeman SV, Fiedler AT. Synthesis and Characterization of Fe(II) β-Diketonato Complexes with Relevance to Acetylacetone Dioxygenase: Insights into the Electronic Properties of the 3-Histidine Facial Triad. Inorg Chem 2011; 50:11978-89. [DOI: 10.1021/ic201115s] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Heaweon Park
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881, United States
| | - Jacob S. Baus
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881, United States
| | - Sergey V. Lindeman
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881, United States
| | - Adam T. Fiedler
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881, United States
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27
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Halcrow MA. Structure:function relationships in molecular spin-crossover complexes. Chem Soc Rev 2011; 40:4119-42. [PMID: 21483934 DOI: 10.1039/c1cs15046d] [Citation(s) in RCA: 668] [Impact Index Per Article: 51.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spin-crossover compounds are becoming increasingly popular for device and sensor applications, and in soft materials, that make use of their switchable colour, paramagnetism and conductivity. The de novo design of new solid spin-crossover compounds with pre-defined switching properties is desirable for application purposes. This challenging problem of crystal engineering requires an understanding of how the temperature and cooperativity of a spin-transition are influenced by the structure of the bulk material. Towards that end, this critical review presents a survey of molecular spin-crossover compounds with good availability of crystallographic data. A picture is emerging that changes in molecular shape between the high- and low-spin states, and the ability of a lattice to accommodate such changes, can play an important role in determining the existence and the cooperativity of a thermal spin-transition in the solid state (198 references).
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Affiliation(s)
- Malcolm A Halcrow
- School of Chemistry, University of Leeds, Woodhouse Lane, Leeds, UK LS2 9JT. m.a.halcrow@ leeds.ac.uk
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28
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Toganoh M, Sato A, Furuta H. Double‐Decker Ferrocene‐Type Complex of N‐Fused Porphyrin: A Model of π‐Extended Ferrocene? Angew Chem Int Ed Engl 2011; 50:2752-5. [DOI: 10.1002/anie.201007940] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Indexed: 11/07/2022]
Affiliation(s)
- Motoki Toganoh
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 819‐0395 (Japan), Fax: (+81) 92‐802‐2865
| | - Ayumi Sato
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 819‐0395 (Japan), Fax: (+81) 92‐802‐2865
| | - Hiroyuki Furuta
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 819‐0395 (Japan), Fax: (+81) 92‐802‐2865
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29
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Toganoh M, Sato A, Furuta H. Double‐Decker Ferrocene‐Type Complex of N‐Fused Porphyrin: A Model of π‐Extended Ferrocene? Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201007940] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Motoki Toganoh
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 819‐0395 (Japan), Fax: (+81) 92‐802‐2865
| | - Ayumi Sato
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 819‐0395 (Japan), Fax: (+81) 92‐802‐2865
| | - Hiroyuki Furuta
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka 819‐0395 (Japan), Fax: (+81) 92‐802‐2865
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30
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Swart M, Güell M, Solà M. A multi-scale approach to spin crossover in Fe(ii) compounds. Phys Chem Chem Phys 2011; 13:10449-56. [DOI: 10.1039/c1cp20646j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Morin TJ, Wanniarachchi S, Gwengo C, Makura V, Tatlock HM, Lindeman SV, Bennett B, Long GJ, Grandjean F, Gardinier JR. Pyrazolyl methyls prescribe the electronic properties of iron(ii) tetra(pyrazolyl)lutidine chloride complexes. Dalton Trans 2011; 40:8024-34. [DOI: 10.1039/c1dt10712g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Reger DL, Horger JJ, Smith MD, Long GJ, Grandjean F. Homochiral, Helical Supramolecular Metal−Organic Frameworks Organized by Strong π···π Stacking Interactions: Single-Crystal to Single-Crystal Transformations in Closely Packed Solids. Inorg Chem 2010; 50:686-704. [DOI: 10.1021/ic102256t] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Daniel L. Reger
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Jacob J. Horger
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Mark D. Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Gary J. Long
- Department of Chemistry, Missouri University of Science and Technology, University of Missouri, Rolla, Missouri 65409-0010, United States
| | - Fernande Grandjean
- Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium
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33
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Ni Z, Shores MP. Supramolecular Effects on Anion-Dependent Spin-State Switching Properties in Heteroleptic Iron(II) Complexes. Inorg Chem 2010; 49:10727-35. [DOI: 10.1021/ic102004c] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhaoping Ni
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States
| | - Matthew P. Shores
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States
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34
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Dupouy G, Triki S, Marchivie M, Cosquer N, Gómez-García CJ, Pillet S, Bendeif EE, Lecomte C, Asthana S, Létard JF. Cyanocarbanion-Based Spin-Crossover Materials: Photocrystallographic and Photomagnetic Studies of a New Iron(II) Neutral Chain. Inorg Chem 2010; 49:9358-68. [DOI: 10.1021/ic101038z] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gaelle Dupouy
- Université Européenne de Bretagne (ueb), Université de Brest, UMR CNRS 6521, 6 Avenue V. Le Gorgeu, C.S. 93837, 29238 Brest, France
| | - Smail Triki
- Université Européenne de Bretagne (ueb), Université de Brest, UMR CNRS 6521, 6 Avenue V. Le Gorgeu, C.S. 93837, 29238 Brest, France
| | - Mathieu Marchivie
- Université Européenne de Bretagne (ueb), Université de Brest, UMR CNRS 6521, 6 Avenue V. Le Gorgeu, C.S. 93837, 29238 Brest, France
| | - Nathalie Cosquer
- Université Européenne de Bretagne (ueb), Université de Brest, UMR CNRS 6521, 6 Avenue V. Le Gorgeu, C.S. 93837, 29238 Brest, France
| | | | - Sébastien Pillet
- CRM2, UMR CNRS 7036, Institut J. Barriol, Nancy-Université, BP239, 54506 Vandoeuvre les Nancy, France
| | - El-Eulmi Bendeif
- CRM2, UMR CNRS 7036, Institut J. Barriol, Nancy-Université, BP239, 54506 Vandoeuvre les Nancy, France
| | - Claude Lecomte
- CRM2, UMR CNRS 7036, Institut J. Barriol, Nancy-Université, BP239, 54506 Vandoeuvre les Nancy, France
| | - Saket Asthana
- CNRS, Université Bordeaux, ICMCB, 87 Av. Doc. A. Schweitzer, F-33608 Pessac, France
| | - Jean-François Létard
- CNRS, Université Bordeaux, ICMCB, 87 Av. Doc. A. Schweitzer, F-33608 Pessac, France
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35
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Morin TJ, Merkel A, Lindeman SV, Gardinier JR. Breaking the Cycle: Impact of Sterically-Tailored Tetra(pyrazolyl)lutidines on the Self-Assembly of Silver(I) Complexes. Inorg Chem 2010; 49:7992-8002. [DOI: 10.1021/ic1010538] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tyler J. Morin
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881
| | - Andrew Merkel
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881
| | - Sergey V. Lindeman
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881
| | - James R. Gardinier
- Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881
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36
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Wanke R, Guedes da Silva MFC, Lancianesi S, Silva TFS, Martins LMDRS, Pettinari C, Pombeiro AJL. Synthesis and Coordination Chemistry of a New N4-Polydentate Class of Pyridyl-Functionalized Scorpionate Ligands: Complexes of FeII, ZnII, NiII, VIV, PdII and Use for Heterobimetallic Systems. Inorg Chem 2010; 49:7941-52. [DOI: 10.1021/ic100966u] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Riccardo Wanke
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
| | - M. Fátima C. Guedes da Silva
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
- Universidade Lusófona de Humanidades e Tecnologias, ULHT Lisbon, Campo Grande 376, 1749-024 Lisbon, Portugal
| | - Stefano Lancianesi
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
| | - Telma F. S. Silva
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
| | - Luísa M. D. R. S. Martins
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
- Departamento de Engenharia Química, ISEL, R. Conselheiro Emídio Navarro, 1950-062 Lisbon, Portugal
| | - Claudio Pettinari
- Dipartimento di Scienze Chimiche, Università degli Studi di Camerino, Via S. Agostino 1, 62032 Camerino MC, Italy
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
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Bassanetti I, Gennari M, Marchiò L, Terenghi M, Elviri L. Li+, Cu+, and Ag+ Oligonuclear Structures with the Sterically Demanding Bis(3,5-tertbutylpyrazol-1-yl)dithioacetate Heteroscorpionate Ligand. Inorg Chem 2010; 49:7007-15. [DOI: 10.1021/ic100886x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Irene Bassanetti
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Marcello Gennari
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Luciano Marchiò
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Mattia Terenghi
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
| | - Lisa Elviri
- Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, viale G. P. Usberti 17/a, I 43100 Parma, Italy
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El Hajj F, Sebki G, Patinec V, Marchivie M, Triki S, Handel H, Yefsah S, Tripier R, Gómez-García CJ, Coronado E. Macrocycle-based spin-crossover materials. Inorg Chem 2010; 48:10416-23. [PMID: 19780566 DOI: 10.1021/ic9012476] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
New iron(II) complexes of formula [Fe(L1)](BF(4))(2) (1) and [Fe(L2)](BF(4))(2) x H(2)O (2) (L1 = 1,7-bis(2'-pyridylmethyl)-1,4,7,10-tetraazacyclododecane; L2 = 1,8-bis(2'-pyridylmethyl)-1,4,8,11-tetraazacyclotetradecane) have been synthesized and characterized by infrared spectroscopy, variable-temperature single-crystal X-ray diffraction, and variable-temperature magnetic susceptibility measurements. The crystal structure determinations of 1 and 2 reveal in both cases discrete iron(II) monomeric structures in which the two functionalized tetraazamacrocycles (L1 and L2) act as hexadentate ligands; the iron(II) ions are coordinated with six nitrogen atoms: four from the macrocycle and two from two pyridine groups occupying two cis positions around the metal ion. In 1, the N-Fe-N bond angles indicate that the Fe(II) ion adopts an unusual distorted trigonal prismatic geometry. In agreement with the observed paramagnetic behavior, the average of the six Fe-N distances at 293 K (2.218(6) A) and at 90 K (2.209(2) A) correspond well with distances observed for high-spin (HS) Fe(II) complexes with a coordination index of 6. For 2, the Fe(II) ion adopts a distorted octahedral geometry for which the six Fe-N distances (average 2.197(4) A) at room temperature are in the range expected for HS Fe(II) complexes. The crystal structure solved at 90 K showed a strong modification of the iron coordination sphere, suggesting the presence of a spin-crossover transition from HS to low spin (LS). Surprisingly, the averaged Fe-N value (2.077(4) A) at this temperature is not in agreement with the magnetic measurements since the chi(m)T product versus T showed a full LS state at 90 K. This may be explained by the presence of important distortions arising from the macrocycle constraints. To understand how the crystal and the lattice parameters were affected by the magnetic transition, the temperature dependence of the lattice parameters of 2 was determined in the range 293-90 K: the a and b parameters show essentially linear and gradual decreases, while the c and beta parameters show dramatic decreases nearly similar to that observed in the magnetic behavior.
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Affiliation(s)
- Fatima El Hajj
- UMR CNRS 6521, Chimie, Electrochimie Moleculaires, Chimie Analytique, Université de Bretagne Occidentale, BP 809, 29285 Brest Cedex, France
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39
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Abbas G, Lan Y, Mereacre V, Wernsdorfer W, Clérac R, Buth G, Sougrati MT, Grandjean F, Long GJ, Anson CE, Powell AK. Magnetic and 57Fe Mössbauer study of the single molecule magnet behavior of a Dy3Fe7 coordination cluster. Inorg Chem 2010; 48:9345-55. [PMID: 19711941 DOI: 10.1021/ic901248r] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The reaction between N-methydiethanolamine (mdeaH(2)), benzoic acid, FeCl(3), and DyCl(3) yields a decanuclear coordination cluster, [Dy(3)Fe(7)(mu(4)-O)(2)(mu(3)-OH)(2)(mdea)(7)(mu-benzoate)(4)(N(3))(6)] x 2 H(2)O x 7 CH(3)OH (1) whose single crystal structure exhibits three and seven crystallographically distinct Dy(III) and Fe(III) ions; six of the Fe(III) ions are pseudo-octahedrally coordinated, whereas the seventh has a trigonal-bipyramidal coordination geometry. Both direct current (dc) and alternating current (ac) magnetic susceptibility studies indicate that, upon cooling, intracluster antiferromagnetic interactions are dominant in 1, yielding a ferrimagnetic spin arrangement. The out-of-phase (chi'') ac susceptibility reveals that 1 undergoes a slow relaxation of its magnetization mainly resulting from the anisotropy of the Dy(III) ions. This slow relaxation has been confirmed both by magnetization measurements on an oriented single crystal of 1 and by the observation of hysteresis loops below 1.9 K. The macroscopic magnetic studies yield an effective energy barrier, U(eff), of 33.4 K for this relaxation, a barrier that is the highest yet reported for a lanthanide(III)-Fe(III) single molecule magnet. The (57)Fe Mössbauer spectra of 1 obtained between 3 and 35 K are consistent with the presence of Fe(III) intracluster antiferromagnetic coupling with slow magnetic relaxation relative to the Larmor precession time, thus confirming, on a microscopic scale, the presence of a barrier to the magnetic relaxation below 35 K. Between 55 and 295 K the Mössbauer spectra reveal paramagnetic behavior with six partially resolved quadrupole doublets, one for the trigonal-bipyramidal Fe(III) site and five for the six pseudo-octahedral Fe(III) sites.
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Affiliation(s)
- Ghulam Abbas
- Institut für Anorganische Chemie, Karlsruhe Institute of Technology, University of Karlsruhe, Engesserstrasse 15, D-76131 Karlsruhe, Germany
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40
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Güell M, Solà M, Swart M. Spin-state splittings of iron(II) complexes with trispyrazolyl ligands. Polyhedron 2010. [DOI: 10.1016/j.poly.2009.06.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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41
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Ni Z, McDaniel AM, Shores MP. Ambient temperature anion-dependent spin state switching observed in “mostly low spin” heteroleptic iron(ii) diimine complexes. Chem Sci 2010. [DOI: 10.1039/c0sc00303d] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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42
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Sánchez-Méndez A, de Jesús E, Flores JC, Gómez-Sal P. Fréchet-Type Pallado-Dendrimers Containing Bis(pyrazolyl)methane Ligands. Eur J Inorg Chem 2009. [DOI: 10.1002/ejic.200900869] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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43
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Reger DL, Elgin JD, Foley EA, Smith MD, Grandjean F, Long GJ. Structural, Magnetic, and Mössbauer Spectral Study of the Electronic Spin-State Transition in [Fe{HC(3-Mepz)2(5-Mepz)}2](BF4)2. Inorg Chem 2009; 48:9393-401. [DOI: 10.1021/ic901259e] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Daniel L. Reger
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
| | - J. Derek Elgin
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
- Department of Chemistry and Physics, Coastal Carolina University, Conway, South Carolina 29528
| | - Elizabeth A. Foley
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
| | - Mark D. Smith
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
| | - Fernande Grandjean
- Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium
| | - Gary J. Long
- Department of Chemistry, Missouri University of Science and Technology, University of Missouri, Rolla, Missouri 65409-0010
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A high-spin Fe(II)/low-spin Fe(III) redox couple featuring the hydro[tris(4-chloro-3,5-dimethyl-pyrazolyl)]borate ligand: Synthesis, spectroscopic and X-ray crystallographic characterization. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2009.01.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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45
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Kuzu I, Krummenacher I, Hewitt I, Lan Y, Mereacre V, Powell AK, Höfer P, Harmer J, Breher F. Syntheses, Structures and Electronic Properties of Zwitterionic Iron(II) and Cobalt(II) Complexes Featuring Ambidentate Tris(pyrazolyl)methanide Ligands. Chemistry 2009; 15:4350-65. [DOI: 10.1002/chem.200802317] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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46
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Salmon L, Molnár G, Cobo S, Oulié P, Etienne M, Mahfoud T, Demont P, Eguchi A, Watanabe H, Tanaka K, Bousseksou A. Re-investigation of the spin crossover phenomenon in the ferrous complex [Fe(HB(pz)3)2]. NEW J CHEM 2009. [DOI: 10.1039/b902811k] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Hamon P, Thépot JY, Le Floch M, Boulon ME, Cador O, Golhen S, Ouahab L, Fadel L, Saillard JY, Hamon JR. Dramatic Remote Substitutent Effects on the Electronic Spin State of Bis(scorpionate) Iron(II) Complexes. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200802567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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48
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Hamon P, Thépot JY, Le Floch M, Boulon ME, Cador O, Golhen S, Ouahab L, Fadel L, Saillard JY, Hamon JR. Dramatic Remote Substitutent Effects on the Electronic Spin State of Bis(scorpionate) Iron(II) Complexes. Angew Chem Int Ed Engl 2008; 47:8687-91. [DOI: 10.1002/anie.200802567] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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49
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Wanke R, Smoleński P, da Silva MFCG, Martins LMDRS, Pombeiro AJL. Cu(I) complexes bearing the new sterically demanding and coordination flexible tris(3-phenyl-1-pyrazolyl)methanesulfonate ligand and the water-soluble phosphine 1,3,5-triaza-7-phosphaadamantane or related ligands. Inorg Chem 2008; 47:10158-68. [PMID: 18841929 DOI: 10.1021/ic801254b] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The new sterically hindered scorpionate tris(3-phenylpyrazolyl)methanesulfonate (Tpms(Ph))(-) has been synthesized and its coordination behavior toward a Cu(I) center, in the presence of 1,3,5-triaza-7-phosphaadamantane (PTA), N-methyl-1,3,5-triaza-7-phosphaadamantane tetraphenylborate ((mPTA)[BPh4]) or hexamethylenetetramine (HMT) has been studied. The reaction between Li(Tpms(Ph)) (1) and [Cu(MeCN)4][PF6] yields [Cu(Tpms(Ph))(MeCN)] (2) which, upon further acetonitrile displacement on reaction with PTA, HMT, or (mPTA)[BPh4], gives the corresponding complexes [Cu(Tpms(Ph))(PTA)] (3), [Cu(Tpms(Ph))(HMT)] (4), and [Cu(Tpms(Ph))(mPTA)][PF6] (5). All the compounds have been characterized by (1)H, (31)P, (13)C, COSY or HMQC-NMR, IR, elemental analysis, and single crystal X-ray diffraction. In the complexes (3) and (5), which bear a phosphine ligand (i.e., PTA and mPTA, respectively), the new scorpionate ligand shows the typical N, N, N-coordination mode, whereas in (2) and (4), bearing a N-donor ligand (i.e., MeCN and HMT, respectively), it binds the metal via the N,N,O chelating mode, involving the sulfonate moiety.
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Affiliation(s)
- Riccardo Wanke
- Centro de Quimica Estrutural, Complexo I, Instituto Superior Tecnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
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50
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Owen T, Grandjean F, Long GJ, Domasevitch KV, Gerasimchuk N. Synthesis and Characterization of Two Intensely Colored Tris(benzoylcyanoxime)iron(II) Anionic Complexes. Inorg Chem 2008; 47:8704-13. [DOI: 10.1021/ic8004322] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Travis Owen
- Department of Chemistry, Temple Hall 431, Missouri State University, Springfield, Missouri 65897, Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium, Department of Chemistry, Missouri University of Science and Technology, University of Missouri—Rolla, Rolla, Missouri 65409-0010, and Chemistry Department, Inorganic Chemistry Division, National University of the Ukraine, Volodimir’ska 64 St., Kiev 01033, Ukraine
| | - Fernande Grandjean
- Department of Chemistry, Temple Hall 431, Missouri State University, Springfield, Missouri 65897, Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium, Department of Chemistry, Missouri University of Science and Technology, University of Missouri—Rolla, Rolla, Missouri 65409-0010, and Chemistry Department, Inorganic Chemistry Division, National University of the Ukraine, Volodimir’ska 64 St., Kiev 01033, Ukraine
| | - Gary J. Long
- Department of Chemistry, Temple Hall 431, Missouri State University, Springfield, Missouri 65897, Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium, Department of Chemistry, Missouri University of Science and Technology, University of Missouri—Rolla, Rolla, Missouri 65409-0010, and Chemistry Department, Inorganic Chemistry Division, National University of the Ukraine, Volodimir’ska 64 St., Kiev 01033, Ukraine
| | - Konstantin V. Domasevitch
- Department of Chemistry, Temple Hall 431, Missouri State University, Springfield, Missouri 65897, Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium, Department of Chemistry, Missouri University of Science and Technology, University of Missouri—Rolla, Rolla, Missouri 65409-0010, and Chemistry Department, Inorganic Chemistry Division, National University of the Ukraine, Volodimir’ska 64 St., Kiev 01033, Ukraine
| | - Nikolay Gerasimchuk
- Department of Chemistry, Temple Hall 431, Missouri State University, Springfield, Missouri 65897, Department of Physics, B5, University of Liège, B-4000 Sart-Tilman, Belgium, Department of Chemistry, Missouri University of Science and Technology, University of Missouri—Rolla, Rolla, Missouri 65409-0010, and Chemistry Department, Inorganic Chemistry Division, National University of the Ukraine, Volodimir’ska 64 St., Kiev 01033, Ukraine
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