Title : Spin-spin interactions in porphyrin-based monoverdazyl radical hybrid spin systems.

Pub. Date : 2010 Apr 5

PMID : 20218649






3 Functional Relationships(s)
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1 The spin-spin interactions in a complex consisting of a metalloporphyrin with a verdazyl radical attached at one of the beta positions of the porphyrin ring are investigated. verdazyl radical spindlin 1 Homo sapiens
2 The spin-spin interactions in a complex consisting of a metalloporphyrin with a verdazyl radical attached at one of the beta positions of the porphyrin ring are investigated. verdazyl radical spindlin 1 Homo sapiens
3 Thus, the ground state is a singlet, but the triplet state is thermally accessible above approximately 5 K. Spin-polarized transient EPR measurements of the free-base analogue show that its lowest excited state is a quartet, indicating that the verdazyl radical couples ferromagnetically to the triplet excited state of the porphyrin. verdazyl radical spindlin 1 Homo sapiens