0000000000640273

AUTHOR

Awatef Ayadi

0000-0002-2125-8727

showing 26 related works from this author

Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions

2021

International audience; Cocrystallization of 7,7′,8,8′-tetracyanoquinodimethane radical anion (TCNQ −•) and 3-methylpyridinium-1,2,3,5dithiadiazolyl radical cation (3-MepyDTDA +•) afforded isostructural acetonitrile (MeCN) or propionitrile (EtCN) solvates containing cofacial π dimers of homologous components. Loss of lattice solvent from the diamagnetic solvates above 366 K affords a high-temperature paramagnetic phase containing discrete TCNQ −• and weakly bound π dimers of 3-MepyDTDA +• , as evidenced by X-ray diffraction methods and magnetic susceptibility measurements. Below 268 K, a first-order phase transition occurs, leading to a low-temperature diamagnetic phase with TCNQ −• σ dimer…

magneettiset ominaisuudetDimer02 engineering and technologyGeneral Chemistry[CHIM.MATE]Chemical Sciences/Material chemistry010402 general chemistry021001 nanoscience & nanotechnologyvapaat radikaalit01 natural sciencesBiochemistryTetracyanoquinodimethaneMagnetic susceptibilityCatalysis0104 chemical scienceschemistry.chemical_compoundParamagnetismCrystallographyColloid and Surface ChemistryRadical ionchemistryDiamagnetismPropionitrileIsostructural0210 nano-technologyorgaaniset yhdisteet
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Role of Alkyl Substituent and Solvent on the Structural, Thermal, and Magnetic Properties of Binary Radical Salts of 1,2,3,5-Dithia- or Diselenadiazo…

2022

The synthesis, structural, thermal, and magnetic properties of a series of simple binary organic salts based on the radical anion of 7,7,8,8-tetracyanoquinodimethane (TCNQ) and 4-(N-alkylpyridinium-3-yl)-1,2,3,5-dithiadiazolyl (DTDA), 1R (R = Et, Pr, Bu), radical cations and their heavier selenium analogues (DSDA), 2R, are described. Single-crystal X-ray structural analyses reveal that short alkyl substituents on the pyridinium moiety of DTDA/DSDA cations lead to crystallization of isostructural acetonitrile (MeCN) solvates 1Et·MeCN, 1Pr·MeCN, 2Et·MeCN, and 2Pr·MeCN with trans-cofacial DTDA radical cation and eclipsed-cofacial TCNQ radical anion dimers. A slight increase in the substituent …

anionitsuolatreaction productssaltskationitGeneral Materials ScienceGeneral ChemistryoligomersCondensed Matter PhysicsanionscationsCrystal Growth & Design
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CCDC 2181987: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-n-propylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anionExperimental 3D Coordinates
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CCDC 2097023: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Awatef Ayadi, Manu K. Lahtinen, Itziar Oyarzabal, Sébastien Bonhommeau, Mathieu Rouzières, Corine Mathonière, Heikki M. Tuononen, Rodolphe Clérac, Aaron Mailman|2021|J.Am.Chem.Soc.|143|15912|doi:10.1021/jacs.1c07468

3-methylpyridinium-1235-dithiadiazolyl radical cation 77'88'-tetracyanoquinodimethane radical anionSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2182640: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal Structure4-(1-n-propylpyridinium-3-yl)-1235-dithiadiazolyl radical trifluoromethanesulfonateCell ParametersExperimental 3D Coordinates
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CCDC 2097022: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Awatef Ayadi, Manu K. Lahtinen, Itziar Oyarzabal, Sébastien Bonhommeau, Mathieu Rouzières, Corine Mathonière, Heikki M. Tuononen, Rodolphe Clérac, Aaron Mailman|2021|J.Am.Chem.Soc.|143|15912|doi:10.1021/jacs.1c07468

Space GroupCrystallographyCrystal Systembis(3-methylpyridinium-1235-dithiadiazolyl radical cation) [(1122-tetracyanoethane-12-diyl)bis(41-phenylene)]dimethanyldicarbonitrile radical anionCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2097021: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Awatef Ayadi, Manu K. Lahtinen, Itziar Oyarzabal, Sébastien Bonhommeau, Mathieu Rouzières, Corine Mathonière, Heikki M. Tuononen, Rodolphe Clérac, Aaron Mailman|2021|J.Am.Chem.Soc.|143|15912|doi:10.1021/jacs.1c07468

Space GroupCrystallographyCrystal Systembis(3-methylpyridinium-1235-dithiadiazolyl radical cation) [(1122-tetracyanoethane-12-diyl)bis(41-phenylene)]dimethanyldicarbonitrile radical anionCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2097025: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Awatef Ayadi, Manu K. Lahtinen, Itziar Oyarzabal, Sébastien Bonhommeau, Mathieu Rouzières, Corine Mathonière, Heikki M. Tuononen, Rodolphe Clérac, Aaron Mailman|2021|J.Am.Chem.Soc.|143|15912|doi:10.1021/jacs.1c07468

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters3-methylpyridinium-1235-dithiadiazolyl radical cation 77'88'-tetracyanoquinodimethane radical anion acetonitrile solvateExperimental 3D Coordinates
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CCDC 2181982: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal System4-(1-ethylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anion propionitrile solvateCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181976: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallography4-(1-n-propylpyridinium-3-yl)-1235-diselenadiazolyl radical trifluoromethanesulfonateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181985: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-n-butylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anionExperimental 3D Coordinates
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CCDC 2182780: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallography4-(1-n-butylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anion acetonitrile solvateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181981: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-ethylpyridinium-3-yl)-1235-diselenadiazolyl radical 7788-tetracyanoquinodimethane radical anion acetonitrile solvateExperimental 3D Coordinates
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CCDC 2181983: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-n-propylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anion acetonitrile solvateExperimental 3D Coordinates
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CCDC 2182311: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallography4-(1-n-butylpyridinium-3-yl)-1235-diselenadiazolyl radical 7788-tetracyanoquinodimethane radical anionCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2182459: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

4-(1-n-butylpyridinium-3-yl)-1235-dithiadiazolyl radical trifluoromethanesulfonateSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181984: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal System4-(1-n-propylpyridinium-3-yl)-1235-diselenadiazolyl radical 7788-tetracyanoquinodimethane radical anion acetonitrile solvateCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181988: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-n-propylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anionExperimental 3D Coordinates
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CCDC 2207551: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallography4-(1-n-butylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anion acetonitrile solvateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181980: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal System4-(1-ethylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anion acetonitrile solvateCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181989: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-n-butylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anionExperimental 3D Coordinates
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CCDC 2181977: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallography4-(1-n-butylpyridinium-3-yl)-1235-diselenadiazolyl radical trifluoromethanesulfonateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181986: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-n-butylpyridinium-3-yl)-1235-dithiadiazolyl radical 7788-tetracyanoquinodimethane radical anionExperimental 3D Coordinates
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CCDC 2097024: Experimental Crystal Structure Determination

2021

Related Article: Anni I. Taponen, Awatef Ayadi, Manu K. Lahtinen, Itziar Oyarzabal, Sébastien Bonhommeau, Mathieu Rouzières, Corine Mathonière, Heikki M. Tuononen, Rodolphe Clérac, Aaron Mailman|2021|J.Am.Chem.Soc.|143|15912|doi:10.1021/jacs.1c07468

3-methylpyridinium-1235-dithiadiazolyl radical cation 77'88'-tetracyanoquinodimethane radical anion propanenitrile solvateSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 2181974: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters4-(1-ethylpyridinium-3-yl)-1235-dithiadiazolyl radical trifluoromethanesulfonateExperimental 3D Coordinates
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CCDC 2182178: Experimental Crystal Structure Determination

2022

Related Article: Anni I. Taponen, Awatef Ayadi, Noora Svahn, Manu K. Lahtinen, Mathieu Rouzières, Rodolphe Clérac, Heikki M. Tuononen, Aaron Mailman|2022|Cryst.Growth Des.|22|7110|doi:10.1021/acs.cgd.2c00795

Space GroupCrystallographyCrystal System4-(1-ethylpyridinium-3-yl)-1235-diselenadiazolyl radical trifluoromethanesulfonateCrystal StructureCell ParametersExperimental 3D Coordinates
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