Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions
Anni I Taponen
1
,
Awatef Ayadi
1
,
Elmeri Lahtinen
1
,
Itziar Oyarzabal
2, 3, 4
,
C. Mathonière
2
,
Heikki M Tuononen
1
,
Rodolphe Clerac
2
,
3
Publication type: Journal Article
Publication date: 2021-09-21
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
34547207
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
Cocrystallization of 7,7′,8,8′-tetracyanoquinodimethane radical anion (TCNQ–•) and 3-methylpyridinium-1,2,3,5-dithiadiazolyl 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 and π dimers of 3-MepyDTDA+•. This study reveals the first example of cooperative interactions between two different organic radical ions leading to magnetic bistability, and these results are central to the future design of multicomponent functional molecular materials.
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Total citations:
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Citations from 2025:
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(20%)
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GOST
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Taponen A. I. et al. Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions // Journal of the American Chemical Society. 2021. Vol. 143. No. 39. pp. 15912-15917.
GOST all authors (up to 50)
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Taponen A. I., Ayadi A., Lahtinen E., Oyarzabal I., Bonhommeau S., Rouzières M., Mathonière C., Tuononen H. M., Clerac R., Mailman A. Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions // Journal of the American Chemical Society. 2021. Vol. 143. No. 39. pp. 15912-15917.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/jacs.1c07468
UR - https://doi.org/10.1021/jacs.1c07468
TI - Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions
T2 - Journal of the American Chemical Society
AU - Taponen, Anni I
AU - Ayadi, Awatef
AU - Lahtinen, Elmeri
AU - Oyarzabal, Itziar
AU - Bonhommeau, Sébastien
AU - Rouzières, Mathieu
AU - Mathonière, C.
AU - Tuononen, Heikki M
AU - Clerac, Rodolphe
AU - Mailman, Aaron
PY - 2021
DA - 2021/09/21
PB - American Chemical Society (ACS)
SP - 15912-15917
IS - 39
VL - 143
PMID - 34547207
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
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@article{2021_Taponen,
author = {Anni I Taponen and Awatef Ayadi and Elmeri Lahtinen and Itziar Oyarzabal and Sébastien Bonhommeau and Mathieu Rouzières and C. Mathonière and Heikki M Tuononen and Rodolphe Clerac and Aaron Mailman},
title = {Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions},
journal = {Journal of the American Chemical Society},
year = {2021},
volume = {143},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/jacs.1c07468},
number = {39},
pages = {15912--15917},
doi = {10.1021/jacs.1c07468}
}
Cite this
MLA
Copy
Taponen, Anni I., et al. “Room-Temperature Magnetic Bistability in a Salt of Organic Radical Ions.” Journal of the American Chemical Society, vol. 143, no. 39, Sep. 2021, pp. 15912-15917. https://doi.org/10.1021/jacs.1c07468.