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Zhang Y, Torres-Cavanillas R, Yan X, Zeng Y, Jiang M, Clemente-León M, Coronado E, Shi S. Spin crossover iron complexes with spin transition near room temperature based on nitrogen ligands containing aromatic rings: from molecular design to functional devices. Chem Soc Rev 2024; 53:8764-8789. [PMID: 39072682 DOI: 10.1039/d3cs00688c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
During last decades, significant advances have been made in iron-based spin crossover (SCO) complexes, with a particular emphasis on achieving reversible and reproducible thermal hysteresis at room temperature (RT). This pursuit represents a pivotal goal within the field of molecular magnetism, aiming to create molecular devices capable of operating in ambient conditions. Here, we summarize the recent progress of iron complexes with spin transition near RT based on nitrogen ligands containing aromatic rings from molecular design to functional devices. Specifically, we discuss the various factors, including supramolecular interactions, crystal packing, guest molecules and pressure effects, that could influence its cooperativity and the spin transition temperature. Furthermore, the most recent advances in their implementation as mechanical actuators, switching/memories, sensors, and other devices, have been introduced as well. Finally, we give a perspective on current challenges and future directions in SCO community.
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Affiliation(s)
- Yongjie Zhang
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China.
| | - Ramón Torres-Cavanillas
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán 2, 46980 Paterna, Spain.
| | - Xinxin Yan
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China.
| | - Yixun Zeng
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China.
| | - Mengyun Jiang
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China.
| | - Miguel Clemente-León
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán 2, 46980 Paterna, Spain.
| | - Eugenio Coronado
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Catedrático José Beltrán 2, 46980 Paterna, Spain.
| | - Shengwei Shi
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, China.
- Key Laboratory of Optoelectronic Chemical Materials and Devices (Ministry of Education), Jianghan University, Wuhan, 430056, China
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2
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Glycols in the Synthesis of Zinc-Anilato Coordination Polymers. CRYSTALS 2022. [DOI: 10.3390/cryst12030370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
We report the synthesis, structural investigation, and thermal behavior for three zinc-based 1D-coordination polymers with 3,6-di-tert-butyl-2,5-dihydroxy-p-benzoquinone, which were synthesized in the presence of different glycols. The interaction of zinc nitrate with glycols, followed by using the resulting solution in solvothermal synthesis with the anilate ligand in DMF, makes it possible to obtain linear polymer structures with 1,2-ethylene or 1,2-propylene glycols coordinated to the metal. The reaction involving 1,3-propylene glycol under similar conditions gives a crystal structure that does not contain a diol. The crystal and molecular structures of the synthesized compounds were determined using single crystal by X-ray structural analysis. The influence of glycol molecules coordinated to the metal on the thermal destruction of synthesized compounds is shown.
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3
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Trofimova OY, Ershova IV, Maleeva AV, Yakushev IA, Dorovatovskii PV, Aisin RR, Piskunov AV. Metal–Organic Frameworks of Magnesium Based on 2,5-Dihydroxy-3,6-di-tert-butyl-para-benzoquinone. RUSS J COORD CHEM+ 2021. [DOI: 10.1134/s1070328421090086] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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4
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Chegerev MG, Starikova AA. Electronic Lability of Quinonoid‐Bridged Dinuclear 3 d‐Metal Complexes with Tetradentate N‐Donor Bases. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100200] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Maxim G. Chegerev
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry Southern Federal University 194/2 Stachka Avenue 344090 Rostov-on-Don Russian Federation
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5
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Meshcheryakova IN, Trofimova OY, Druzhkov NO, Pashanova KI, Yakushev IA, Dorovatovskii PV, Khrizanforov MN, Budnikova YG, Aisin RR, Piskunov AV. Magnesium and Nickel Complexes with Bis(p-iminoquinone) Redox-Active Ligand. RUSS J COORD CHEM+ 2021. [DOI: 10.1134/s1070328421050043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Abstract
Poorly soluble in the most part of organic solvents dimeric complexes $${\text{M}}{{{\text{g}}}_{{\text{2}}}}{\text{L}}_{2}^{2}$$·4DMF (I) and $${\text{N}}{{{\text{i}}}_{{\text{2}}}}{\text{L}}_{2}^{2}$$·4DMF (II) (L is 4,4'-(1,4-phenylenebis(azanylylidene))bis(3,6-di-tert-butyl-2-hydroxycyclohexa-2,5-dien-1-one dianion)) are synthesized by the reactions of magnesium and nickel acetates with the ditopic redox-active ligand of the hydroxy-para-iminoquinone type in a DMF solution. The molecular and crystal structures of the synthesized compounds are determined by X-ray diffraction analysis (CIF files CCDC nos. 2045665 (I) and 2045666 (II·3DMF)). The thermal stability is studied by thermogravimetry. The redox-active character of the organic bridging ligand in the dimeric complexes $${\text{M}}{{{\text{g}}}_{{\text{2}}}}{\text{L}}_{2}^{2}$$·4DMF and $${\text{N}}{{{\text{i}}}_{{\text{2}}}}{\text{L}}_{2}^{2}$$·4DMF is confirmed by the data of solid-phase electrochemistry.
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Kawamura A, Xie J, Boyn JN, Jesse KA, McNeece AJ, Hill EA, Collins KA, Valdez-Moreira JA, Filatov AS, Kurutz JW, Mazziotti DA, Anderson JS. Reversible Switching of Organic Diradical Character via Iron-Based Spin-Crossover. J Am Chem Soc 2020; 142:17670-17680. [PMID: 32948091 DOI: 10.1021/jacs.0c08307] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Airi Kawamura
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Jiaze Xie
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Jan-Niklas Boyn
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Kate A. Jesse
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Andrew J. McNeece
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Ethan A. Hill
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Kelsey A. Collins
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | | | - Alexander S. Filatov
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Josh W. Kurutz
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - David A. Mazziotti
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - John S. Anderson
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
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7
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Chandra S, Weisser F, Klenk S, Beerhues J, Schweinfurth D, Sarkar B. Dinuclear Ru II complexes with quinonoid bridges: tuning the electrochemical and spectroscopic properties of redox-switchable NIR dyes through judicious bridge design. Dalton Trans 2020; 49:8354-8366. [PMID: 32519683 DOI: 10.1039/d0dt01351j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Bridging quinonoid ligands are important platforms for generating metal-based switchable optoelectronic and magnetic materials. A possible sound way of influencing the properties of the aforementioned materials is to modify the direct metal-ligand interface. We present herein a series of dinuclear RuII complexes where the set of donor atoms at the bridging quinonoid ligands range from [O,O,O,O], [O,O,O,N], [O,N,O,N] and [O,N,O,N']. Additionally, the substituents on the N-donors were varied as well (a total of eight different quinonoid bridges are compared). We also present a mononuclear RuII complex for comparison purposes. The dinuclear complexes act as switchable NIR dyes, absorbing in the NIR region in their mixed-valent RuII/RuIII form but not in the neighboring RuII/RuII and RuIII/RuIII states. The switching potentials (the potentials at which NIR absorptions appear) and the λmax of the NIR band can be fine-tuned by varying the donor atoms as well as the electron-donating ability of the substituents on the nitrogen atoms (tuning E by ca. 0.4 V and λmax by ca. 450 nm). Introducing more electron-rich substituents at the nitrogen atoms of the bridge results in higher band energies and more cathodic redox potentials. Unsymmetrical bridging ligands increase the thermodynamic stability of the mixed-valent state. Whereas almost all of the mixed-valent species presented here belong to the delocalised type III of the Robin-Day classification, the most unsymmetrical complex 2O,N(Mes) shows characteristic signs of a borderline Class-II-III compounds. This comprehensive study thus establishes the lesser used unsymmetrically substituted quinones as excellent bridges for generating and tuning a series of properties in their corresponding metal complexes.
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Affiliation(s)
- Shubhadeep Chandra
- Lehrstuhl für Anorganische Koordinationschemie, Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569, Stuttgart, Germany.
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8
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Boyn JN, Xie J, Anderson JS, Mazziotti DA. Entangled Electrons Drive a Non-superexchange Mechanism in a Cobalt Quinoid Dimer Complex. J Phys Chem Lett 2020; 11:4584-4590. [PMID: 32468819 DOI: 10.1021/acs.jpclett.0c01248] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A central theme in chemistry is the understanding of the mechanisms that drive chemical transformations. A well-known, highly cited mechanism in organometallic chemistry is the superexchange mechanism in which unpaired electrons on two or more metal centers interact through an electron pair of the bridging ligand. We use a combination of novel synthesis and computation to show that such interactions may in fact occur by a more direct mechanism than superexchange that is based on direct quantum entanglement of the two metal centers. Specifically, we synthesize and experimentally characterize a novel cobalt dimer complex with benzoquinoid bridging ligands and investigate its electronic structure with the variational two-electron reduced density matrix method using large active spaces. The result draws novel connections between inorganic mechanisms and quantum entanglement, thereby opening new possibilities for the design of strongly correlated organometallic compounds whose magnetic and spin properties have applications in superconductors, energy storage, thermoelectrics, and spintronics.
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Affiliation(s)
- Jan-Niklas Boyn
- The Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- The James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
| | - Jiaze Xie
- The Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - John S Anderson
- The Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - David A Mazziotti
- The Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
- The James Franck Institute, The University of Chicago, Chicago, Illinois 60637, United States
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9
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Kharitonov AD, Trofimova OY, Meshcheryakova IN, Fukin GK, Khrizanforov MN, Budnikova YH, Bogomyakov AS, Aysin RR, Kovalenko KA, Piskunov AV. 2D-metal–organic coordination polymers of lanthanides (La( iii), Pr( iii) and Nd( iii)) with redox-active dioxolene bridging ligands. CrystEngComm 2020. [DOI: 10.1039/d0ce00767f] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
2D-coordination redox-active networks bearingt-Bu-substituted anilic bridged ligands and lanthanide ions were synthesized and characterized.
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Affiliation(s)
- Alexandr D. Kharitonov
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Olesya Y. Trofimova
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Irina N. Meshcheryakova
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Georgy K. Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
| | - Mikhail N. Khrizanforov
- A.E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center
- Russian Academy of Sciences
- Kazan
- Russian Federation
| | - Yulia H. Budnikova
- A.E. Arbuzov Institute of Organic and Physical Chemistry
- Kazan Scientific Center
- Russian Academy of Sciences
- Kazan
- Russian Federation
| | - Artem S. Bogomyakov
- International Tomography Center SB RAS
- Novosibirsk
- Novosibirsk
- Russian Federation
| | - Rinat R. Aysin
- A.N. Nesmeyanov Institute of Organometallic Chemistry of Russian Academy of Sciences
- Moscow
- Russian Federation
| | - Konstantin A. Kovalenko
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of Russian Academy of Sciences
- Novosibirsk
- Russian Federation
| | - Alexandr V. Piskunov
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences
- Nizhny Novgorod
- Russian Federation
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10
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Ouyang ZJ, Mo XY, Yang M, Zhong L, Chen WB, Gao S, Dong W. High temperature Fe(iii) spin crossover behaviours in three unprecedented FeIII–MII–FeIII (M = Fe, Cd) linear trinuclear complexes. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01560d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An azo-based ligand of azotetrazolyl-2,7-dihydroxynaphthalene (H3ATD) was used to synthesize three FeIII–MII–FeIII (M = Fe, Cd) linear trinuclear complexes with different high temperature spin crossover (SCO) behaviours for the terminal FeIII ions.
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Affiliation(s)
- Zhi-Jian Ouyang
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology
- School of Chemistry and Chemical Engineering
- Guangzhou University
- Guangzhou 510006
- P. R. China
| | - Xiao-Ying Mo
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology
- School of Chemistry and Chemical Engineering
- Guangzhou University
- Guangzhou 510006
- P. R. China
| | - Meng Yang
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology
- School of Chemistry and Chemical Engineering
- Guangzhou University
- Guangzhou 510006
- P. R. China
| | - Li Zhong
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology
- School of Chemistry and Chemical Engineering
- Guangzhou University
- Guangzhou 510006
- P. R. China
| | - Wen-Bin Chen
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology
- School of Chemistry and Chemical Engineering
- Guangzhou University
- Guangzhou 510006
- P. R. China
| | - Song Gao
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510641
- P. R. China
| | - Wen Dong
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology
- School of Chemistry and Chemical Engineering
- Guangzhou University
- Guangzhou 510006
- P. R. China
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11
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Druzhkov NO, Meshcheryakova IN, Cherkasov AV, Piskunov AV. New functionalized ditopic redox-active hydroxy-p-iminoquinone-type ligands and mercury(ii) complexes based on these ligands. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2722-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Fomenko IS, Nadolinnyi VA, Efimov NN, Kokovkin VV, Gushchin AL. Binuclear Oxidovanadium(IV) Complex with the Bridging Chloranilate Ligand: Synthesis and Magnetic Properties. RUSS J COORD CHEM+ 2019. [DOI: 10.1134/s1070328419110022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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13
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Starikova AA, Chegerev MG, Starikov AG, Minkin VI. Rational Design of Electronically Labile Dinuclear Fe and Co complexes with 1,10-Phenanthroline-5,6-Diimine: A DFT study. J Comput Chem 2019; 40:2284-2292. [PMID: 31228286 DOI: 10.1002/jcc.26005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 01/27/2023]
Abstract
A series of coordination compounds of redox-active 1,10-phenanthroline-5,6-diimine with CoII bis-diketonates and FeII dihydrobis(pyrazolyl)borates has been computationally designed by means of density functional theory (DFT UB3LYP*/6-311++G(d,p)) calculations of their electronic structure, energy characteristics, and magnetic properties. Four types of complexes differing by the nature and position of the terminal metal-centered fragments have been considered. The performed systematic calculations have revealed the systems capable of undergoing thermally initiated spin-state switching rearrangements, including those governed by the synchronized mechanisms of spin crossover and valence tautomerism. The predicted magnetic characteristics allow one to consider the dinuclear cobalt complexes and heterometallic Co/Fe compounds with 1,10-phenanthroline-5,6-diimine as building blocks for molecular and quantum electronics devices. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
- Alyona A Starikova
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| | - Maxim G Chegerev
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| | - Andrey G Starikov
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
| | - Vladimir I Minkin
- Institute of Physical and Organic Chemistry at Southern Federal University, Stachka Avenue 194/2, Rostov-on-Don, Russian Federation, 344090
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14
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Hua C, DeGayner JA, Harris TD. Thiosemiquinoid Radical-Bridged Cr III2 Complexes with Strong Magnetic Exchange Coupling. Inorg Chem 2019; 58:7044-7053. [PMID: 31034214 DOI: 10.1021/acs.inorgchem.9b00674] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Semiquinoid radical bridging ligands are capable of mediating exceptionally strong magnetic coupling between spin centers, a requirement for the design of high-temperature magnetic materials. We demonstrate the ability of sulfur donors to provide much stronger coupling relative to their oxygen congeners in a series of dinuclear complexes. Employing a series of chalcogen donor-based bis(bidentate) benzoquinoid bridging ligands, the series of complexes [(TPyA)2Cr2(RL4-)]2+ (OLH4 = 1,2,4,5-tetrahydroxybenzene, OSLH4 = 1,2-dithio-4,5-dihydroxybenzene, SLH4 = 1,2,4,5-tetrathiobenzene, TPyA = tris(2-pyridylmethyl)amine) was synthesized. Variable-temperature dc magnetic susceptibility data reveal the presence of weak antiferromagnetic superexchange coupling between CrIII centers in these complexes, with exchange constants of J = -2.83(3) (OL4-), -2.28(5) (OSL4-), and -1.80(2) (SL4-) cm-1. Guided by cyclic voltammetry and spectroelectrochemical measurements, chemical one-electron oxidation of these complexes gives the radical-bridged species [(TPyA)2Cr2(RL3-•)]3+. Variable-temperature dc susceptibility measurements in these complexes reveal the presence of strong antiferromagnetic metal-semiquinoid radical coupling, with exchange constants of J = -352(10) (OL3-•), - 401(8) (OSL3-•), and -487(8) (SL3-•) cm-1. These results provide the first measurement of magnetic coupling between metal ions and a thiosemiquinoid radical, and they demonstrate the value of moving from O to S donors in radical-bridged metal ions in the design of magnetic molecules and materials.
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Affiliation(s)
- Carol Hua
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
| | - Jordan A DeGayner
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
| | - T David Harris
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
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15
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Li B, Zhao YM, Kirchon A, Pang JD, Yang XY, Zhuang GL, Zhou HC. Unconventional Method for Fabricating Valence Tautomeric Materials: Integrating Redox Center within a Metal-Organic Framework. J Am Chem Soc 2019; 141:6822-6826. [PMID: 30986355 DOI: 10.1021/jacs.9b02375] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Due to the structural advantages displayed by Metal-Organic Frameworks (MOFs), integrating Valence Tautomerism (VT) systems within MOFs could be an effective strategy in order to break through the constraints of the traditional ones. Herein, we report the first successful integration of a VT system into a MOF termed VT-MOF-1. The structural characteristics of VT-MOF-1, such as dinuclear cobalt-catechol clusters and solvent-accessible pores, are both innovative and novel, potentially yielding new vitality within VT field. In addition, VT-MOF-1 exhibits specific behaviors responsive to temperature and different solvent molecules as n-butanol, tert-butanol, and isopropyl alcohol. The entropy values and configurations of the solvent molecules might be responsible for the tunable sensing behaviors.
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Affiliation(s)
- Bao Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan , Hubei 430074 , People's Republic of China.,Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States
| | - Yu-Meng Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan , Hubei 430074 , People's Republic of China
| | - Angelo Kirchon
- Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States
| | - Jian-Dong Pang
- Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States
| | - Xin-Yu Yang
- Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States
| | - Gui-Lin Zhuang
- Institute of Industrial Catalysis, College of Chemical Engineering , Zhejiang University of Technology , Zhejiang 310023 , People's Republic of China
| | - Hong-Cai Zhou
- Department of Chemistry , Texas A&M University , College Station , Texas 77843-3255 , United States.,Department of Materials Science and Engineering , Texas A&M University , College Station , Texas 77842 , United States
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16
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Dey B, Roy S, Titiš J, Boča R, Bera SP, Mondal A, Konar S. Above Room Temperature Spin Transition in Thermally Stable Mononuclear Fe(III) Complexes. Inorg Chem 2019; 58:1134-1146. [DOI: 10.1021/acs.inorgchem.8b02405] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Bijoy Dey
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya Pradesh, India
| | - Subhadip Roy
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya Pradesh, India
| | - Ján Titiš
- Department of Chemistry, Faculty of Natural Sciences, University of SS Cyril and Methodius, 917 01 Trnava, Slovakia
| | - Roman Boča
- Department of Chemistry, Faculty of Natural Sciences, University of SS Cyril and Methodius, 917 01 Trnava, Slovakia
| | - Siba Prasad Bera
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya Pradesh, India
| | - Arpan Mondal
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya Pradesh, India
| | - Sanjit Konar
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, Madhya Pradesh, India
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17
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García-López V, Waerenborgh JC, Vieira BJC, Clemente-León M, Coronado E. Iron(ii) complexes of tris(2-pyridylmethyl)amine (TPMA) and neutral bidentate ligands showing thermal- and photo-induced spin crossover. Dalton Trans 2018; 47:9156-9163. [PMID: 29946627 DOI: 10.1039/c8dt01425f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three new mononuclear Fe(ii) complexes have been prepared and characterized by the combination of tetradentate tris(2-pyridylmethyl)amine (TPMA) with three neutral bidentate ligands, such as ethylenediamine (en), 1,2-diaminopropane (pn) and 2-picolylamine (2-pic), in compounds [FeII(TPMA)(en)](ClO4)2 (1), [FeII(TPMA)(2-pic)](ClO4)2 (2) and [FeII(TPMA)(pn)](ClO4)2 (3). Structural and magnetic characterization demonstrates that the three compounds present a complete SCO behavior. The absence of strong intermolecular interactions and solvent molecules leads to reversible and gradual spin transitions. The different ligands allow tuning T1/2 from 130 K (2) to 325 K (3). The compound with the lowest T1/2 (2) shows the LIESST effect with a TLIESST of 43 K. Interestingly, the use of these relatively small bidentate ligands leads to the crystallization in non-centrosymmetric space groups in contrast with previous studies using other bidentate ligands.
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Affiliation(s)
- Víctor García-López
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/Catedrático José Beltrán 2, 46980 Paterna, Spain.
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Jana NC, Brandão P, Mathonière C, Panja A. Synthesis, structure and magnetic properties of dinuclear cobalt-tetraoxolene complexes with bidentate terminal ligands. Polyhedron 2018. [DOI: 10.1016/j.poly.2017.12.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Naveen P, Dallemer F, Butcher R, Prabhakaran R. New Ru(II) complexes containing tris(2-pyridylmethyl)amine. Synthesis, structural, CT-DNA/albumin interaction, anti-oxidant and cytotoxicity studies. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.12.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Jana NC, Brandão P, Saha A, Panja A. Synthesis, crystal structure and electronic property of a tetraoxolene bridged dinuclear cobalt(II) complex with bipyridyl blocking ligand. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.09.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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22
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van der Meer M, Rechkemmer Y, Breitgoff FD, Marx R, Neugebauer P, Frank U, van Slageren J, Sarkar B. Multiple Bistability in Quinonoid-Bridged Diiron(II) Complexes: Influence of Bridge Symmetry on Bistable Properties. Inorg Chem 2016; 55:11944-11953. [DOI: 10.1021/acs.inorgchem.6b02097] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Margarethe van der Meer
- Institut für Chemie und Biochemie,
Anorganische Chemie, Freie Universität Berlin, Fabeckstraße
34-36, D-14195 Berlin, Germany
| | - Yvonne Rechkemmer
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Frauke D. Breitgoff
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Raphael Marx
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Petr Neugebauer
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Uta Frank
- Institut für Chemie und Biochemie,
Anorganische Chemie, Freie Universität Berlin, Fabeckstraße
34-36, D-14195 Berlin, Germany
| | - Joris van Slageren
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Biprajit Sarkar
- Institut für Chemie und Biochemie,
Anorganische Chemie, Freie Universität Berlin, Fabeckstraße
34-36, D-14195 Berlin, Germany
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van der Meer M, Rechkemmer Y, Frank U, Breitgoff FD, Hohloch S, Su CY, Neugebauer P, Marx R, Dörfel M, van Slageren J, Sarkar B. A Dicobalt Complex with an Unsymmetrical Quinonoid Bridge Isolated in Three Units of Charge: A Combined Structural, (Spectro)electrochemical, Magnetic and Spectroscopic Study. Chemistry 2016; 22:13884-13893. [DOI: 10.1002/chem.201601579] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Indexed: 01/28/2023]
Affiliation(s)
- Margarethe van der Meer
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Germany
| | - Yvonne Rechkemmer
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Uta Frank
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Germany
| | - Frauke D. Breitgoff
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Stephan Hohloch
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Germany
| | - Cheng-Yong Su
- School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 China
| | - Petr Neugebauer
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Raphael Marx
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - María Dörfel
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Joris van Slageren
- Institut für Physikalische Chemie; Universität Stuttgart; Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Biprajit Sarkar
- Institut für Chemie und Biochemie; Anorganische Chemie; Freie Universität Berlin; Fabeckstraße 34-36 14195 Berlin Germany
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24
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Solvent-Induced Polymorphism of Iron(II) Spin Crossover Complexes. MATERIALS 2016; 9:ma9070585. [PMID: 28773709 PMCID: PMC5456902 DOI: 10.3390/ma9070585] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 12/24/2022]
Abstract
Two new mononuclear iron(II) compounds (1) and (2) of the general formula [Fe(L)₂](BF₄)₂·nCH₃CN (L = 4-(2-bromoethyn-1-yl)-2,6-bis(pyrazol-1-yl)pyridine, n = 1 for (1) and n = 2 for compound (2)), were synthesized. The room temperature crystallization afforded concomitant formation of two different solvent analogues: compound (1) exhibiting triclinic P-1 and compound (2) monoclinic C2/c symmetry. Single-crystal X-ray studies confirmed the presence of the LS (low-spin) state for both compounds at 180 K and of the HS (high-spin) state for compound (2) at 293 K, in full agreement with the magnetic investigations for both solvent polymorphs. Compound (1) exhibits spin transition above 293 K followed by subsequent solvent liberation, while the spin transition of (2) takes already place at 237 K. After complete solvent removal from the crystal lattice, compound (1d) (the desolvated polymorph derived from (1)) exhibits spin transition centered at 342 K accompanied by a thermal hysteresis loop, while the analogous compound (2d) (the desolvated derivate of compound (2)) remains blocked in the HS state over all the investigated temperature range.
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25
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van der Meer M, Rechkemmer Y, Breitgoff FD, Dechert S, Marx R, Dörfel M, Neugebauer P, van Slageren J, Sarkar B. Probing bistability in FeIIand CoIIcomplexes with an unsymmetrically substituted quinonoid ligand. Dalton Trans 2016; 45:8394-403. [DOI: 10.1039/c6dt00757k] [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
A quinone ligand with a [O,O,O,N] donor set is presented. Its FeIIcomplex displays bistability as a function of temperature, pressure and photoexcitation and its CoIIcomplex displays a redox-induced spin-state change.
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Affiliation(s)
| | - Yvonne Rechkemmer
- Institut für Physikalische Chemie
- Universität Stuttgart
- D-70569 Stuttgart
- Germany
| | - Frauke D. Breitgoff
- Institut für Physikalische Chemie
- Universität Stuttgart
- D-70569 Stuttgart
- Germany
| | - Sebastian Dechert
- Institut für Anorganische Chemie
- Georg-August-Universität Göttingen
- D-37077 Göttingen
- Germany
| | - Raphael Marx
- Institut für Physikalische Chemie
- Universität Stuttgart
- D-70569 Stuttgart
- Germany
| | - María Dörfel
- Institut für Physikalische Chemie
- Universität Stuttgart
- D-70569 Stuttgart
- Germany
| | - Petr Neugebauer
- Institut für Physikalische Chemie
- Universität Stuttgart
- D-70569 Stuttgart
- Germany
| | - Joris van Slageren
- Institut für Physikalische Chemie
- Universität Stuttgart
- D-70569 Stuttgart
- Germany
| | - Biprajit Sarkar
- Institut für Chemie und Biochemie
- Freie Universität Berlin
- D-14195 Berlin
- Germany
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Park JG, Jeon IR, Harris TD. Electronic Effects of Ligand Substitution on Spin Crossover in a Series of Diiminoquinonoid-Bridged FeII2 Complexes. Inorg Chem 2014; 54:359-69. [DOI: 10.1021/ic5025586] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jesse G. Park
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Ie-Rang Jeon
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - T. David Harris
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
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Jung SH, Kim KY, Woo DK, Lee SS, Jung JH. Tb3+-triggered luminescence in a supramolecular gel and its use as a fluorescent chemoprobe for proteins containing alanine. Chem Commun (Camb) 2014; 50:13107-10. [DOI: 10.1039/c4cc06074a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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29
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Lu F, Rheingold AL, Miller JS. Characterization of the elusive rhodizonate ring-contraction decarbonylation C5O4(OH)CO2Me2- intermediate to croconate. Chemistry 2013; 19:14795-7. [PMID: 24123324 DOI: 10.1002/chem.201303190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Indexed: 11/07/2022]
Affiliation(s)
- Feng Lu
- Department of Chemistry, University of Utah, Salt Lake City, UT 84112-0850 (USA)
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SAKIYAMA H, MIYAZATO S, TAKARA S, ASATO E. Electronic Spectral Simulation for Dinuclear Zinc (II) Complexes Bridged by a 2,3,5,6-Tetrahydroxy-1,4-benzoquinonate Ion and by a Rhodizonate Ion. JOURNAL OF COMPUTER CHEMISTRY-JAPAN 2013. [DOI: 10.2477/jccj.2013-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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32
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Phan HV, Chakraborty P, Chen M, Calm YM, Kovnir K, Keniley LK, Hoyt JM, Knowles ES, Besnard C, Meisel MW, Hauser A, Achim C, Shatruk M. Heteroleptic FeIIComplexes of 2,2′-Biimidazole and Its Alkylated Derivatives: Spin-Crossover and Photomagnetic Behavior. Chemistry 2012; 18:15805-15. [DOI: 10.1002/chem.201202045] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Indexed: 11/06/2022]
Affiliation(s)
- Hoa V Phan
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, 32306, USA
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33
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Fursova EY, Ovcharenko VI, Gorelik EV, Romanenko GV, Bogomyakov AS, Cherkasov VK, Abakumov GA. Coordination polymers based on CuII and MnII complexes with 2-hydroxy-3,6-di(tert-butyl)-1,4-benzoquinone. Russ Chem Bull 2010. [DOI: 10.1007/s11172-009-0148-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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34
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Chandrasekhar N, Chandrasekar R. “Super hybrid tridentate ligands”: 4-substituted-2-(1-butyl-1H-1,2,3-triazol-4-yl)-6-(1H-pyrazol-1-yl)pyridine ligands coordinated to Fe(ii) ions display above room temperature spin transitions. Dalton Trans 2010; 39:9872-8. [DOI: 10.1039/c0dt00373e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Min KS, DiPasquale AG, Rheingold AL, White HS, Miller JS. Observation of Redox-Induced Electron Transfer and Spin Crossover for Dinuclear Cobalt and Iron Complexes with the 2,5-Di-tert-butyl-3,6-dihydroxy-1,4-benzoquinonate Bridging Ligand. J Am Chem Soc 2009; 131:6229-36. [DOI: 10.1021/ja900909u] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kil Sik Min
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850, Department of Chemistry Education, Kyungpook National University, Daegu 702-701, Republic of Korea, and Department of Chemistry, University of California, San Diego, La Jolla, California 92093-0358
| | - Antonio G. DiPasquale
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850, Department of Chemistry Education, Kyungpook National University, Daegu 702-701, Republic of Korea, and Department of Chemistry, University of California, San Diego, La Jolla, California 92093-0358
| | - Arnold L. Rheingold
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850, Department of Chemistry Education, Kyungpook National University, Daegu 702-701, Republic of Korea, and Department of Chemistry, University of California, San Diego, La Jolla, California 92093-0358
| | - Henry S. White
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850, Department of Chemistry Education, Kyungpook National University, Daegu 702-701, Republic of Korea, and Department of Chemistry, University of California, San Diego, La Jolla, California 92093-0358
| | - Joel S. Miller
- Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850, Department of Chemistry Education, Kyungpook National University, Daegu 702-701, Republic of Korea, and Department of Chemistry, University of California, San Diego, La Jolla, California 92093-0358
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Chatterjee PB, Bhattacharya K, Kundu N, Choi KY, Clérac R, Chaudhury M. Vanadium-Induced Nucleophilic IPSO Substitutions in a Coordinated Tetrachlorosemiquinone Ring: Formation of the Chloranilate Anion as a Bridging Ligand. Inorg Chem 2009; 48:804-6. [DOI: 10.1021/ic801985g] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pabitra Baran Chatterjee
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India, Department of Chemistry Education, Kongju National University, Kongju 314-701, South Korea, CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France, and Université de Bordeaux, UPR 8641, Pessac, F-33600, France
| | - Kisholoy Bhattacharya
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India, Department of Chemistry Education, Kongju National University, Kongju 314-701, South Korea, CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France, and Université de Bordeaux, UPR 8641, Pessac, F-33600, France
| | - Nabanita Kundu
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India, Department of Chemistry Education, Kongju National University, Kongju 314-701, South Korea, CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France, and Université de Bordeaux, UPR 8641, Pessac, F-33600, France
| | - Ki-Young Choi
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India, Department of Chemistry Education, Kongju National University, Kongju 314-701, South Korea, CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France, and Université de Bordeaux, UPR 8641, Pessac, F-33600, France
| | - Rodolphe Clérac
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India, Department of Chemistry Education, Kongju National University, Kongju 314-701, South Korea, CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France, and Université de Bordeaux, UPR 8641, Pessac, F-33600, France
| | - Muktimoy Chaudhury
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Kolkata 700 032, India, Department of Chemistry Education, Kongju National University, Kongju 314-701, South Korea, CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France, and Université de Bordeaux, UPR 8641, Pessac, F-33600, France
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Miller J, Min K. Oxidation Leading to Reduction: Redox-Induced Electron Transfer (RIET). Angew Chem Int Ed Engl 2009; 48:262-72. [DOI: 10.1002/anie.200705138] [Citation(s) in RCA: 146] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Miller J, Min K. Oxidation führt zu Reduktion - redoxinduzierter Elektronentransfer (RIET). Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200705138] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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40
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Kumbhakar D, Sarkar B, Das A, Das AK, Mobin SM, Fiedler J, Kaim W, Lahiri GK. Valence structures of the diastereomeric complexes meso- and rac-[Ru2(acac)4(μ-Q)]n (n = 2−, 1−, 0, 1+, 2+) with the multiple quinonoid bridging ligand Q = 1,2,4,5-tetraimino-3,6-diketocyclohexane. Dalton Trans 2009:9645-52. [DOI: 10.1039/b906900c] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Murray KS. Advances in Polynuclear Iron(II), Iron(III) and Cobalt(II) Spin‐Crossover Compounds. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800352] [Citation(s) in RCA: 158] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Keith S. Murray
- School of Chemistry, Monash University, Building 23, Clayton, Victoria 3800, Australia, Fax: +61‐3‐99054597
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42
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Blackman AG. Tripodal Tetraamine Ligands Containing Three Pyridine Units: The
other
Polypyridyl Ligands. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800115] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Allan G. Blackman
- Department of Chemistry, University of Otago, P. O. Box 56, Dunedin, New Zealand, Fax: +64‐3‐479‐7906
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43
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Min KS, Swierczek K, DiPasquale AG, Rheingold AL, Reiff WM, Arif AM, Miller JS. A dinuclear iron(ii) complex, [(TPyA)FeII(THBQ2–)FeII(TPyA)](BF4)2[TPyA = tris(2-pyridylmethyl)amine; THBQ2–= 2,3,5,6-tetrahydroxy-1,4-benzoquinonate] exhibiting both spin crossover with hysteresis and ferromagnetic exchange. Chem Commun (Camb) 2008:317-9. [DOI: 10.1039/b715271j] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Guo D, McCusker JK. Spin exchange effects on the physicochemical properties of tetraoxolene-bridged bimetallic complexes. Inorg Chem 2007; 46:3257-74. [PMID: 17371015 DOI: 10.1021/ic070005y] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The synthesis, physical, and spectroscopic properties of a series of metal complexes bridged by the redox-active chloranilate ligand are described. Compounds containing the (CAcat,cat)4- ligand, where (CAcat,cat)4- represents the fully reduced aromatic form of chloranilate, have been prepared by two different routes from H2CA and H4CA starting materials; the corresponding (CAsq,cat)3- analogue was obtained by one-electron oxidation with decamethylferrocenium tetrafluoroborate. Homo- and heterobimetallic complexes containing CrIII and GaIII with chloranilate have been prepared, yielding the following six complexes: [Ga2(tren)2(CAcat,cat)](BPh4)2 (1), [Ga2(tren)2(CAsq,cat)](BPh4)2(BF4) (2), [GaCr(tren)2(CAcat,cat)](BPh4)2 (3), [GaCr(tren)2(CAsq,cat)](BPh4)2(BF4) (4), [Cr2(tren)2(CAcat,cat)] (BPh4)2 (5), and [Cr2(tren)2(CAsq,cat)](BPh4)2(BF4) (6) (where tren is tris(2-aminoethyl)amine). Single-crystal X-ray structures have been obtained for complexes 1, 3, and 5; nearly identical C-C bond distances within the quinoidal ligand confirm the aromatic character of the bridge in each case. Complex 2 exhibits a temperature-independent magnetic moment of microeff = 1.64 +/- 0.04 microB in the solid state between 4 and 350 K, consistent with the CAsq,cat formulation of the ligand and an S = 1/2 ground state for complex 2. Complex 3 exhibits a value of microeff = 3.44 +/- 0.09 microB that is also temperature-independent, indicating an S = 3/2 ground state. Complexes 4-6 are all influenced by Heisenberg spin exchange. The temperature-independent behavior of complexes 4 and 6 indicate the presence of strong antiferromagnetic exchange between the CrIII and the (sq,cat) bridging radical yielding well-isolated ground states of S = 1 and 5/2 for 4 and 6, respectively. In contrast, complex 5 exhibits a weak intramolecular antiferromagnetic exchange interaction between the two CrIII centers (J = -2 cm-1 for H = -2Jŝ1.ŝ2) via superexchange through the diamagnetic CAcat,cat bridge. The absorption spectra of the CAsq,cat-containing complexes exhibit a number of sharp, relatively intense features in fluid solution. Group theoretical arguments coupled with a qualitative ligand-field analysis including the effects of Heisenberg spin exchange suggest that several of the observed transitions are a consequence of exchange interactions in both the ground- and excited-state manifolds of the compounds.
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Affiliation(s)
- Dong Guo
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
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45
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Rajadurai C, Fuhr O, Kruk R, Ghafari M, Hahn H, Ruben M. Above room temperature spin transition in a metallo-supramolecular coordination oligomer/polymer. Chem Commun (Camb) 2007:2636-8. [PMID: 17579763 DOI: 10.1039/b702468a] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By use of a metallo-supramolecular concept, a linear iron(ii) coordination chain [Fe(II)(L)](n)(BF(4))(2n) (L = 1,4-bis(1,2':6',1''-bispyrazolylpyridin-4'-yl)benzene) was rationally designed and synthesized. The molecular chain shows a reversible spin transition at 323 K with a ca. 10 K wide hysteresis loop.
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