Effects of a nonplanar porphyrin rings on the spin-spin interactions in low-spin ferric porphyrin radical cationst |
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| Authors: | Ikeue Takahisa Ohgoa Yoshiki Nakamura Mikio |
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| Institution: | Department of Chemistry, School of Medicine, Toho University, Ota-ku, Tokyo 143-8540, Japan. |
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| Abstract: | Low-spin ferric porphyrin radical cations formed by the oxidation of chloro(meso-tetraalkylporphyrinato)iron(III) followed by the addition of bulky 2-methylimidazole show antiferromagnetic coupling, which is interpreted in terms of the interaction between porphyrin a2u and iron d(xy), orbitals caused by the S4 ruffling of the porphyrin core. |
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