1
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Wu W, Sung YS, Tomat E. Thiol-Reactive Arylsulfonate Masks for Phenolate Donors in Antiproliferative Iron Prochelators. Inorg Chem 2022; 61:19974-19982. [PMID: 36455205 PMCID: PMC10188280 DOI: 10.1021/acs.inorgchem.2c03250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Tridentate thiosemicarbazones, among several families of iron chelators, have shown promising results in anticancer drug discovery because they target the increased need for iron that characterizes malignant cells. Prochelation strategies, in which the chelator is released under specific conditions, have the potential to avoid off-target metal binding (for instance, in the bloodstream) and minimize unwanted side effects. We report a prochelation approach that employs arylsulfonate esters to mask the phenolate donor of salicylaldehyde-based chelators. The new prochelators liberate a tridentate thiosemicarbazone intracellularly upon reaction with abundant nucleophile glutathione (GSH). A 5-bromo-substituted salicylaldehyde thiosemicarbazone (STC4) was selected for the chelator unit because of its antiproliferative activity at low micromolar levels in a panel of six cancer cell lines. The arylsulfonate prochelators were assessed in vitro with respect to their stability, ability to abolish metal binding, and reactivity in the presence of GSH. Cell-based assays indicated that the arylsulfonate-masked prochelators present higher antiproliferative activities relative to the parent compound after 24 h. The activation and release of the chelator intracellularly were corroborated by assays of cytosolic iron binding and iron supplementation effects as well as cell cycle analysis. This study introduces the 1,3,4-thiadiazole sulfonate moiety to mask the phenolate donor of an iron chelator and impart good solubility and stability to prochelator constructs. The reactivity of these systems can be tuned to release the chelator at high glutathione levels, as encountered in several cancer phenotypes.
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Affiliation(s)
- Wangbin Wu
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States
| | - Yu-Shien Sung
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States
| | - Elisa Tomat
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States
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2
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Kumar B, Paul A, Mondal DJ, Paliwal P, Konar S. Spin-State Modulation in Fe II -Based Hofmann-Type Coordination Polymers: From Molecules to Materials. CHEM REC 2022; 22:e202200135. [PMID: 35815939 DOI: 10.1002/tcr.202200135] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/21/2022] [Indexed: 11/05/2022]
Abstract
Spin crossover complexes that reversibly interconvert between two stable states imitate a binary state of 0 and 1, delivering a promising possibility to address the data processing concept in smart materials. Thus, a comprehensive understanding of the modulation of magnetic transition between high spin and low spin and the factors responsible for stabilizing the spin states is an essential theme in modern materials design. In this context, the present review attempts to provide a concise outline of the design strategy employed at the molecular level for fine-tuning the spin-state switching in FeII -based Hofmann-type coordination polymers and their effects on the optical and magnetic response. In addition, development towards the nanoscale architectures of HCPs, i. e., in terms of nanoparticles and thin films, are emphasized to bridge the gap between the laboratory and reality.
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Affiliation(s)
- Bhart Kumar
- Molecular Magnetism Lab, Department of Chemistry, Indian Institute of Science Education and Research, Bhopal, Bhopal Bypass Road, Bhopal, Madhya Pradesh, 462066, India
| | - Abhik Paul
- Molecular Magnetism Lab, Department of Chemistry, Indian Institute of Science Education and Research, Bhopal, Bhopal Bypass Road, Bhopal, Madhya Pradesh, 462066, India
| | - Dibya Jyoti Mondal
- Molecular Magnetism Lab, Department of Chemistry, Indian Institute of Science Education and Research, Bhopal, Bhopal Bypass Road, Bhopal, Madhya Pradesh, 462066, India
| | - Piyush Paliwal
- Molecular Magnetism Lab, Department of Chemistry, Indian Institute of Science Education and Research, Bhopal, Bhopal Bypass Road, Bhopal, Madhya Pradesh, 462066, India
| | - Sanjit Konar
- Molecular Magnetism Lab, Department of Chemistry, Indian Institute of Science Education and Research, Bhopal, Bhopal Bypass Road, Bhopal, Madhya Pradesh, 462066, India
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3
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Ndiaye M, Boukheddaden K. Pressure-induced multi-step and self-organized spin states in an electro-elastic model for spin-crossover solids. Phys Chem Chem Phys 2022; 24:12870-12889. [PMID: 35583047 DOI: 10.1039/d2cp01285e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Spin transition materials are known to exhibit a rich variety of behaviors under several stimuli, among which pressure leads to major changes in their electronic and elastic properties. From an experimental point of view, thermal spin transitions under isotropic pressure showed transformations from (i) hysteretic to continuous transformations where the hysteresis width vanishes beyond some threshold pressure value; this is the conventional case. In several other cases very pathological and unexpected behaviours emerged, like (ii) persistent hysteresis under pressure; (iii) non-uniform behavior of the thermal hysteresis width which first increases with pressure and then decreases and vanishes at higher pressures; (iv) furthermore, double step transitions induced by pressure are also often obtained, where the pressure triggers the appearance of a plateau during the thermal transition, leading to two-step transitions, and finally (v) other non-conventional re-entrant transitions, where the thermal hysteresis vanishes at some pressure and then reappears at higher pressure values are also observed. In the present theoretical study, we investigate this problem with an electro-elastic description of the spin-crossover phenomenon by solving the Hamiltonian using a Monte Carlo technique. The pressure effect is here introduced directly in the lattice parameters, the elastic constants and ligand field energy. By considering spin state-dependent compressibility, we demonstrate that a large panel of experimental observations can be qualitatively described with this model. Among them, we quote (i) the conventional pressure effect decreasing the hysteresis width, (ii) the unconventional cases with pressure causing a non-monotonous behavior of the hysteresis width, (iii) re-entrant, as well as (iv) double step transitions accompanied with various types of spin state self-organization in the plateau regions.
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Affiliation(s)
- Mamadou Ndiaye
- Université Paris-Saclay, UVSQ, CNRS, GEMaC, 45 Avenue des Etats Unis, 78035 Versailles, France. .,Département de Physique, Université Cheikh Anta Diop de Dakar, FST, BP 5005, Fann, Dakar, Senegal
| | - Kamel Boukheddaden
- Université Paris-Saclay, UVSQ, CNRS, GEMaC, 45 Avenue des Etats Unis, 78035 Versailles, France.
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4
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Spitsyna NG, Blagov MA, Lazarenko VA, Svetogorov RD, Zubavichus YV, Zorina LV, Maximova O, Yaroslavtsev SA, Rusakov VS, Raganyan GV, Yagubskii EB, Vasiliev AN. Peculiar Spin-Crossover Behavior in the 2D Polymer K[Fe III(5Cl-thsa) 2]. Inorg Chem 2021; 60:17462-17479. [PMID: 34757728 DOI: 10.1021/acs.inorgchem.1c01821] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A potassium salt of the N2S2O2-coordination Fe(III) anion K[Fe(5Cl-thsa)2] (1) (5Cl-thsa - 5-chlorosalicylaldehyde thiosemicarbazone) is synthesized and characterized structurally and magnetically over a wide temperature range. Two polymorphs of salt 1 characterized by the common 2D polymer nature and assigned to the same orthorhombic Pbcn space group have been identified. The molecular structure of the minor polymorph of 1 was solved and refined at 100, 250, and 300 K is shown to correspond to the LS configuration. The dominant polymorph of 1 features K+ cations disordered over a few crystallographic sites, while the minor polymorph includes fully ordered K+ cations. The major polymorph exhibits a complete three-step cooperative spin-crossover transition both in the heating and cooling modes: The first step occurs in a temperature range from 2 to 50 K; the second abrupt hysteretic step occurs from 200 to 250 K with T1/2 = 230 K and a 6 K hysteresis loop. The third gradual step occurs from 250 to 440 K. According to 57Fe Mössbauer, XRPD, and EXAFS data, the spin-crossover transition for the dominant polymorph is quite peculiar. Indeed, the increase in the HS concentration by 57% at the second step does not result in the expected significant increase in the iron(III)-ligand bond lengths. In addition, the final step of the spin conversion (ΔγHS = 26%) is associated with a structural phase transition with a symmetry lowering from the orthorhombic (Pbcn) to the monoclinic (P21/n) space group. This nontrivial phenomenon was investigated in detail by applying magnetization measurements, electron spin resonance, 57Fe Mössbauer spectroscopy, and DFT calculations. These results provide a new platform for understanding the multistep spin-crossover character in the Fe(III) thsa-complexes and related compounds.
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Affiliation(s)
- Nataliya G Spitsyna
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, 142432, Russia
| | - Maxim A Blagov
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, 142432, Russia
| | | | | | - Yan V Zubavichus
- Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis, SB RAS, Koltsovo 630559, Russia
| | | | - Olga Maximova
- Lomonosov Moscow State University, Moscow 119991, Russia
| | | | | | | | - Eduard B Yagubskii
- Institute of Problems of Chemical Physics, RAS, Chernogolovka, 142432, Russia
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5
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Kulmaczewski R, Bamiduro F, Shahid N, Cespedes O, Halcrow MA. Structural Transformations and Spin-Crossover in [FeL 2 ] 2+ Salts (L=4-{tert-Butylsulfanyl}-2,6-di{pyrazol-1-yl}pyridine): The Influence of Bulky Ligand Substituents. Chemistry 2021; 27:2082-2092. [PMID: 33073890 DOI: 10.1002/chem.202004072] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/16/2020] [Indexed: 11/06/2022]
Abstract
4-(tert-Butylsulfanyl)-2,6-di(pyrazol-1-yl)pyridine (L) was obtained in low yield from a one-pot reaction of 2,4,6-trifluoropyridine with 2-methylpropane-2-thiolate and sodium pyrazolate in a 1:1:2 ratio. The materials [FeL2 ][BF4 ]2 ⋅solv (1[BF4 ]2 ⋅solv) and [FeL2 ][ClO4 ]2 ⋅solv (1[ClO4 ]2 ⋅solv; solv=MeNO2 , MeCN or Me2 CO) exhibit a variety of structures and spin-state behaviors including thermal spin-crossover (SCO). Solvent loss on heating 1[BF4 ]2 ⋅x MeNO2 (x≈2.3) occurs in two steps. The intermediate phase exhibits hysteretic SCO around 250 K, involving a "reverse-SCO" step in its warming cycle at a scan rate of 5 K min-1 . The reverse-SCO is not observed in a slower 1 K min-1 measurement, however, confirming its kinetic nature. The final product [FeL2 ][BF4 ]2 ⋅0.75 MeNO2 was crystallographically characterized, and shows abrupt but incomplete SCO at 172 K which correlates with disorder of an L ligand. The asymmetric unit of 1[BF4 ]2 ⋅y Me2 CO (y≈1.6) contains five unique complex molecules, four of which undergo gradual SCO in at least two discrete steps. Low-spin 1[ClO4 ]2 ⋅0.5 Me2 CO is not isostructural with its BF4 - congener, and undergoes single-crystal-to-single-crystal solvent loss with a tripling of the crystallographic unit cell volume, while retaining the P 1 ‾ space group. Three other solvate salts undergo gradual thermal SCO. Two of these are isomorphous at room temperature, but transform to different low-temperature phases when the materials are fully low-spin.
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Affiliation(s)
- Rafal Kulmaczewski
- School of Chemistry, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
| | - Faith Bamiduro
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - Namrah Shahid
- School of Chemistry, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
| | - 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
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6
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Kobayashi F, Komatsumaru Y, Akiyoshi R, Nakamura M, Zhang Y, Lindoy LF, Hayami S. Water Molecule-Induced Reversible Magnetic Switching in a Bis-Terpyridine Cobalt(II) Complex Exhibiting Coexistence of Spin Crossover and Orbital Transition Behaviors. Inorg Chem 2020; 59:16843-16852. [DOI: 10.1021/acs.inorgchem.0c00818] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fumiya Kobayashi
- Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Yuki Komatsumaru
- Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Ryohei Akiyoshi
- Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Masaaki Nakamura
- Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Yingjie Zhang
- Australian Nuclear Science and Technology Organization, Locked Bag 2001, Kirrawee DC, New South Wales 2232, Australia
| | - Leonard F. Lindoy
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Shinya Hayami
- Department of Chemistry, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
- Institute of Pulsed Power Science (IPPS), Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
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7
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Rodríguez‐Jiménez S, Bondì L, Yang M, Garden AL, Brooker S. Predictable Electronic Tuning By Choice of Azine Substituent in Five Iron(II) Triazoles: Redox Properties and DFT Calculations. Chem Asian J 2018; 14:1158-1166. [PMID: 30550630 DOI: 10.1002/asia.201801537] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/13/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Santiago Rodríguez‐Jiménez
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and NanotechnologyUniversity of Otago P.O. Box 56 Dunedin 9054 New Zealand
| | - Luca Bondì
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and NanotechnologyUniversity of Otago P.O. Box 56 Dunedin 9054 New Zealand
| | - Mingrui Yang
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and NanotechnologyUniversity of Otago P.O. Box 56 Dunedin 9054 New Zealand
| | - Anna L. Garden
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and NanotechnologyUniversity of Otago P.O. Box 56 Dunedin 9054 New Zealand
| | - Sally Brooker
- Department of Chemistry and MacDiarmid Institute for Advanced Materials and NanotechnologyUniversity of Otago P.O. Box 56 Dunedin 9054 New Zealand
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8
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Liu W, Peng YY, Wu SG, Chen YC, Hoque MN, Ni ZP, Chen XM, Tong ML. Guest-Switchable Multi-Step Spin Transitions in an Amine-Functionalized Metal-Organic Framework. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708973] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Wei Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yuan-Yuan Peng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Si-Guo Wu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Md. Najbul Hoque
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Zhao-Ping Ni
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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9
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Liu W, Peng YY, Wu SG, Chen YC, Hoque MN, Ni ZP, Chen XM, Tong ML. Guest-Switchable Multi-Step Spin Transitions in an Amine-Functionalized Metal-Organic Framework. Angew Chem Int Ed Engl 2017; 56:14982-14986. [DOI: 10.1002/anie.201708973] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/02/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Wei Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yuan-Yuan Peng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Si-Guo Wu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Md. Najbul Hoque
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Zhao-Ping Ni
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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10
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Jornet-Mollá V, Duan Y, Giménez-Saiz C, Tang YY, Li PF, Romero FM, Xiong RG. A Ferroelectric Iron(II) Spin Crossover Material. Angew Chem Int Ed Engl 2017; 56:14052-14056. [DOI: 10.1002/anie.201707401] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/28/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Verónica Jornet-Mollá
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Yan Duan
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Carlos Giménez-Saiz
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center; Southeast University; Nanjing 211189 P. R. China
| | - Peng-Fei Li
- Ordered Matter Science Research Center; Southeast University; Nanjing 211189 P. R. China
| | - Francisco M. Romero
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center; Southeast University; Nanjing 211189 P. R. China
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11
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Jornet-Mollá V, Duan Y, Giménez-Saiz C, Tang YY, Li PF, Romero FM, Xiong RG. A Ferroelectric Iron(II) Spin Crossover Material. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707401] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Verónica Jornet-Mollá
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Yan Duan
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Carlos Giménez-Saiz
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center; Southeast University; Nanjing 211189 P. R. China
| | - Peng-Fei Li
- Ordered Matter Science Research Center; Southeast University; Nanjing 211189 P. R. China
| | - Francisco M. Romero
- Instituto de Ciencia Molecular; Universitat de València; P. O. Box 22085 46071 Valencia Spain
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center; Southeast University; Nanjing 211189 P. R. China
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12
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Meng Y, Sheng QQ, Hoque MN, Chen YC, Wu SG, Tucek J, Zboril R, Liu T, Ni ZP, Tong ML. Two-Step Spin-Crossover with Three Inequivalent FeII
Sites in a Two-Dimensional Hofmann-Type Coordination Polymer. Chemistry 2017; 23:10034-10037. [DOI: 10.1002/chem.201702356] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Yan Meng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
- Anhui Province Key Laboratory of Optoelectronic and Magnetism Functional Materials, Key Laboratory of Functional Coordination Compounds of Anhui Higher Education Institutes; Anqing Normal University; Anqing 246011 P. R. China
| | - Qing-Qing Sheng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Md. Najbul Hoque
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Si-Guo Wu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jiri Tucek
- Regional Centre of Advanced Technologies and Materials, Departments of Physical Chemistry and Experimental Physics, Faculty of Science; Palacky University; Slechtitelu 27 783 71 Olomouc Czech Republic
| | - Radek Zboril
- Regional Centre of Advanced Technologies and Materials, Departments of Physical Chemistry and Experimental Physics, Faculty of Science; Palacky University; Slechtitelu 27 783 71 Olomouc Czech Republic
| | - Tao Liu
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 P. R. China
| | - Zhao-Ping Ni
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry, Sun Yat-Sen University; Guangzhou 510275 P. R. China
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13
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Liu S, Sun Z, Ji C, Li L, Zhao S, Luo J. Exceptional bi-step switching of quadratic nonlinear optical properties in a one-dimensional channel compound. Chem Commun (Camb) 2017. [DOI: 10.1039/c7cc02625k] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new solid-state channel compound shows exceptional bi-step switching between three distinct nonlinear optical states.
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Affiliation(s)
- Sijie Liu
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Zhihua Sun
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Chengmin Ji
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Lina Li
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Sangen Zhao
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- P. R. China
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14
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Trzop E, Zhang D, Piñeiro-Lopez L, Valverde-Muñoz FJ, Carmen Muñoz M, Palatinus L, Guerin L, Cailleau H, Real JA, Collet E. First Step Towards a Devil's Staircase in Spin-Crossover Materials. Angew Chem Int Ed Engl 2016; 55:8675-9. [PMID: 27193972 DOI: 10.1002/anie.201602441] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Indexed: 11/11/2022]
Abstract
The unprecedented bimetallic 2D coordination polymer {Fe[(Hg(SCN)3 )2 ](4,4'-bipy)2 }n exhibits a thermal high-spin (HS)↔low-spin (LS) staircase-like conversion characterized by a multi-step dependence of the HS molar fraction γHS . Between the fully HS (γHS =1) and LS (γHS =0) phases, two steps associated with different ordering appear in terms of spin-state concentration waves (SSCW). On the γHS ≈0.5 step, a periodic SSCW forms with a HS-LS-HS-LS sequence. On the γHS ≈0.34 step, the 4D superspace crystallography structural refinement reveals an aperiodic SSCW, with a HS-LS sequence incommensurate with the molecular lattice. The formation of these different long-range spatially ordered structures of LS and HS states during the multi-step spin-crossover is discussed within the framework of "Devil's staircase"-type transitions. Spatially modulated phases are known in various types of materials but are uniquely related to molecular HS/LS bistability in this case.
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Affiliation(s)
- Elzbieta Trzop
- Institut de Physique de Rennes, Université de Rennes 1, UMR UR1-CNRS 6251, 35000, Rennes, France
| | - Daopeng Zhang
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/ Catedrático José Beltrán Martínez 2, 46980 Paterna, Valencia, Spain.,College of Chemical Engineering, Shandong University of Technology, Zibo, 255049, China
| | - Lucia Piñeiro-Lopez
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/ Catedrático José Beltrán Martínez 2, 46980 Paterna, Valencia, Spain
| | - Francisco J Valverde-Muñoz
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/ Catedrático José Beltrán Martínez 2, 46980 Paterna, Valencia, Spain
| | - M Carmen Muñoz
- Departamento de Física Aplicada, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Lukas Palatinus
- Department of Structure Analysis, Institute of Physics of Academy of Sciences of Czech Republic, 18221, Prague, Czech Republic
| | - Laurent Guerin
- Institut de Physique de Rennes, Université de Rennes 1, UMR UR1-CNRS 6251, 35000, Rennes, France
| | - Hervé Cailleau
- Institut de Physique de Rennes, Université de Rennes 1, UMR UR1-CNRS 6251, 35000, Rennes, France
| | - Jose Antonio Real
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/ Catedrático José Beltrán Martínez 2, 46980 Paterna, Valencia, Spain.
| | - Eric Collet
- Institut de Physique de Rennes, Université de Rennes 1, UMR UR1-CNRS 6251, 35000, Rennes, France.
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Trzop E, Zhang D, Piñeiro-Lopez L, Valverde-Muñoz FJ, Carmen Muñoz M, Palatinus L, Guerin L, Cailleau H, Real JA, Collet E. First Step Towards a Devil's Staircase in Spin-Crossover Materials. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201602441] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Elzbieta Trzop
- Institut de Physique de Rennes; Université de Rennes 1, UMR UR1-CNRS 6251; 35000 Rennes France
| | - Daopeng Zhang
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/ Catedrático José Beltrán Martínez 2 46980 Paterna Valencia Spain
- College of Chemical Engineering; Shandong University of Technology; Zibo 255049 China
| | - Lucia Piñeiro-Lopez
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/ Catedrático José Beltrán Martínez 2 46980 Paterna Valencia Spain
| | - Francisco J. Valverde-Muñoz
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/ Catedrático José Beltrán Martínez 2 46980 Paterna Valencia Spain
| | - M. Carmen Muñoz
- Departamento de Física Aplicada; Universitat Politècnica de València; Camino de Vera s/n 46022 Valencia Spain
| | - Lukas Palatinus
- Department of Structure Analysis; Institute of Physics of Academy of Sciences of Czech Republic; 18221 Prague Czech Republic
| | - Laurent Guerin
- Institut de Physique de Rennes; Université de Rennes 1, UMR UR1-CNRS 6251; 35000 Rennes France
| | - Hervé Cailleau
- Institut de Physique de Rennes; Université de Rennes 1, UMR UR1-CNRS 6251; 35000 Rennes France
| | - Jose Antonio Real
- Instituto de Ciencia Molecular (ICMol); Universidad de Valencia; C/ Catedrático José Beltrán Martínez 2 46980 Paterna Valencia Spain
| | - Eric Collet
- Institut de Physique de Rennes; Université de Rennes 1, UMR UR1-CNRS 6251; 35000 Rennes France
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