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  • Title: Tristability arising from singlet-triplet and quartet spin states for dimeric Co(II)salen.
    Author: Min KS, Arthur J, Shum WW, Bharathy M, zur Loye HC, Miller JS.
    Journal: Inorg Chem; 2009 Jun 01; 48(11):4593-4. PubMed ID: 19371063.
    Abstract:
    The magnetic behavior of N,N'-ethylenebis(salicylideniminato)cobalt(II) (Co(II)Salen, 1) has been reinvestigated and reveals spin-crossover behavior above 295 K. It has a singlet ground state and a triplet excited state at 30 K (21 cm(-1); 60 cal/mol) above the ground state, and at a higher temperature spin crossover to the quartet, a second excited state occurs.
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