Magnetic Bistability in Crystalline Organic Radicals: The Interplay of H-bonding, Pancake Bonding, and Electrostatics in 4-(2′-Benzimidazolyl)-1,2,3,5-dithiadiazolyl
Michelle B Mills
1
,
Tobie Wohlhauser
1, 2
,
Benjamin Stein
1
,
Willem R Verduyn
1
,
Ellen Song
1
,
Pierre Dechambenoit
3, 4
,
Mathieu Rouzières
3, 4
,
Rodolphe Clerac
3, 4
,
2
3
CNRS, CRPP, UMR 5031, F-33600 Pessac, France
|
Publication type: Journal Article
Publication date: 2018-11-21
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
30461268
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
The neutral radical 4-(2'-benzimidazolyl)-1,2,3,5-dithiadiazolyl (HbimDTDA) exhibits a first order phase transition around 270 K without symmetry breaking, preserving its orthorhombic Pbca space group between 340 and 100 K. Associated with this reversible single-crystal-to-single-crystal phase transition, thermal hysteresis of the magnetic susceptibility is observed. The low temperature (LT) phase is diamagnetic owing to pancake bonding between the π-radicals. In the paramagnetic high temperature (HT) phase, the pancake bonds are broken, and new electrostatic contacts are apparent. As a result of the dense 3D network of supramolecular contacts, which includes H-bonds, the HbimDTDA system provides the first example of magnetic bistability for a DTDA radical.
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Citations from 2025:
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Mills M. B. et al. Magnetic Bistability in Crystalline Organic Radicals: The Interplay of H-bonding, Pancake Bonding, and Electrostatics in 4-(2′-Benzimidazolyl)-1,2,3,5-dithiadiazolyl // Journal of the American Chemical Society. 2018. Vol. 140. No. 49. pp. 16904-16908.
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Mills M. B., Wohlhauser T., Stein B., Verduyn W. R., Song E., Dechambenoit P., Rouzières M., Clerac R., Preuss K. E. Magnetic Bistability in Crystalline Organic Radicals: The Interplay of H-bonding, Pancake Bonding, and Electrostatics in 4-(2′-Benzimidazolyl)-1,2,3,5-dithiadiazolyl // Journal of the American Chemical Society. 2018. Vol. 140. No. 49. pp. 16904-16908.
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TY - JOUR
DO - 10.1021/jacs.8b10370
UR - https://doi.org/10.1021/jacs.8b10370
TI - Magnetic Bistability in Crystalline Organic Radicals: The Interplay of H-bonding, Pancake Bonding, and Electrostatics in 4-(2′-Benzimidazolyl)-1,2,3,5-dithiadiazolyl
T2 - Journal of the American Chemical Society
AU - Mills, Michelle B
AU - Wohlhauser, Tobie
AU - Stein, Benjamin
AU - Verduyn, Willem R
AU - Song, Ellen
AU - Dechambenoit, Pierre
AU - Rouzières, Mathieu
AU - Clerac, Rodolphe
AU - Preuss, Kathryn E.
PY - 2018
DA - 2018/11/21
PB - American Chemical Society (ACS)
SP - 16904-16908
IS - 49
VL - 140
PMID - 30461268
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
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@article{2018_Mills,
author = {Michelle B Mills and Tobie Wohlhauser and Benjamin Stein and Willem R Verduyn and Ellen Song and Pierre Dechambenoit and Mathieu Rouzières and Rodolphe Clerac and Kathryn E. Preuss},
title = {Magnetic Bistability in Crystalline Organic Radicals: The Interplay of H-bonding, Pancake Bonding, and Electrostatics in 4-(2′-Benzimidazolyl)-1,2,3,5-dithiadiazolyl},
journal = {Journal of the American Chemical Society},
year = {2018},
volume = {140},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/jacs.8b10370},
number = {49},
pages = {16904--16908},
doi = {10.1021/jacs.8b10370}
}
Cite this
MLA
Copy
Mills, Michelle B., et al. “Magnetic Bistability in Crystalline Organic Radicals: The Interplay of H-bonding, Pancake Bonding, and Electrostatics in 4-(2′-Benzimidazolyl)-1,2,3,5-dithiadiazolyl.” Journal of the American Chemical Society, vol. 140, no. 49, Nov. 2018, pp. 16904-16908. https://doi.org/10.1021/jacs.8b10370.