Published in
Royal Society of Chemistry, RSC Advances, 21(6), p. 17456-17459
DOI: 10.1039/c6ra00191b
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One synthesis: two redox states. Temperature-oriented crystallization of a charge transfer {Fe2Co2} square complex in a {FeIILSCoIIILS}2 diamagnetic or {FeIIILSCoIIHS}2 paramagnetic state.
Journal article published in 2016 by
Siddhartha De,
Juan-Ramòn Jimenez,
Yanling Li,
Lise-Marie Chamoreau,
Alexandrine Flambard,
Yves Journaux,
Azzedine Bousseksou,
Rodrigue Lescouëzec 
This paper is made freely available by the publisher.
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Abstract
The reaction of [FeIII(Tp)(CN)3]- with [CoII(vbik)2(S)2]2+ leads selectively to the crystallization of cyanide-bridged diamagnetic {FeIILSCoIIILS}2 squares at 5°C or paramagnetic {FeIIILSCoIIHS}2 ones at 35°C. The diamagnetic crystal phase can be converted to a paramagnetic one upon heating and it shows photomagnetic effect at low temperature.