A new polymorph of 4,4′-(butadiyne-1,4-diyl)-bis-(2,2,6,6-tetramethyl-4-hydroxypiperidin-1-oxyl)
作者:Joel S. Miller、Daniel T. Glatzhofer、Joseph C. Calabrese、Arthur J. Epstein
DOI:10.1039/c39880000322
日期:——
A new polymorph of the title diradical has been characterized by X-ray diffraction, vibrational spectroscopy, and magnetic susceptibility; its radiation induced polymerization has not been achieved, but thermal treatment turns the crystals black and explosive decomposition occurs at ∼ 140°C.