Novel organic magnet derived from pyrazine-fused furazans |
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| Affiliation: | 1. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation;2. International Tomography Center, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russian Federation |
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| Abstract: | The first organic magnet based on a high-nitrogen framework of pyrazine-fused furazans Na(L −)(H2O)3 was found. A quantum-chemical study of M(L−)(H2O)n, where M = Li, Na, K, Rb, NH4, revealed that exchange coupling energy between the neighboring radical anions proved highly sensitive to the motion of one L− relative to another. |
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| Keywords: | bis(furazano)pyrazine sodium potassium rubidium ammonium stable radical molecular magnet McConnell’s exchange model |
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