One synthesis: two redox states. Temperature-oriented crystallization of a charge transfer \Fe _\textrm2 Co _\textrm2 \ square complex in a \FeIILSCoIIILS\ _\textrm2 diamagnetic or \FeIIILSCoIIHS\ _\textrm2 paramagnetic state - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue RSC Advances Année : 2016

One synthesis: two redox states. Temperature-oriented crystallization of a charge transfer \Fe _\textrm2 Co _\textrm2 \ square complex in a \FeIILSCoIIILS\ _\textrm2 diamagnetic or \FeIIILSCoIIHS\ _\textrm2 paramagnetic state

Résumé

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 effects at low temperature.

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Chimie
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Dates et versions

hal-01727617 , version 1 (09-03-2018)

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Siddhartha De, Juan-Ramón Jiménez, Yanling Li, Lise-Marie Chamoreau, Alexandrine Flambard, et al.. One synthesis: two redox states. Temperature-oriented crystallization of a charge transfer \Fe _\textrm2 Co _\textrm2 \ square complex in a \FeIILSCoIIILS\ _\textrm2 diamagnetic or \FeIIILSCoIIHS\ _\textrm2 paramagnetic state. RSC Advances, 2016, 6 (21), pp.17456--17459. ⟨10.1039/C6RA00191B⟩. ⟨hal-01727617⟩
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