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Communication
Chem. Commun., 2002, 252 - 253, DOI: 10.1039/b107430j
Structure and exchange in silicon-linked tetraradicals
Yi Liao, Martha Baskett, Paul M. Lahti and Fernando Palacio
The EPR spectroscopy, crystallography, and magnetic susceptibility of tetrakis(N-oxyl-2,2,6,6-tetramethylpiperidin-4-yl)silane and tetrakis(4-N-tert-butyl-N-aminoxylphenyl)silane show that silicon acts as a weak intramolecular exchange linker for polynitroxides, although both tetraradicals show onset of inter-spin exchange at reduced temperatures.
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