Abstract
The nitronyl nitroxide biradical, 2,2′-[1,1′-(hexa-2,4-diyne-1,6-diyl)bis(1H-pyrazole-4,1-diyl)]bis(4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole 3-oxide 1-oxyl), was synthesized. The structure and magnetic properties of the biradical were studied. In the solid state, this nitroxide contains the nonlinear CS-C≡C-C≡C-CS fragment. The CS-C≡C and C≡C-C≡ angles are 172.4(5) and 171.1(3)°, respectively.
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Dedicated to Academician G. A. Tolstikov on the occasion of his 75th birthday. Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 385–390, February, 2008.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 385–390, February, 2008.
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Tolstikov, S.E., Tretyakov, E.V., Romanenko, G.V. et al. Biradical with the “non-linear” diacetylene fragment. Russ Chem Bull 57, 394–399 (2008). https://doi.org/10.1007/s11172-008-0060-5
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DOI: https://doi.org/10.1007/s11172-008-0060-5