Cation migration between two unequivalent sites in 4-cyano pyridine alkali metal ion pairs
作者： Caterina Ghio , Luigi Pasimeni , Carlo Corvaja
DOI: 10.1016/0301-0104(78)87023-2
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摘要: Abstract The ESR spectra of 4-cyanopyridine alkali metal ion pairs were recorded at different temperatures. hyperfine components are selectively broadened by a dynamic process which affects the linewidths. analysis linewidth parameters has been accomplished as due to jumping cation between two unequivalent positions. An ab initio calculation potential energy surface radical anion shows that motion should take place positions near nitrogen atoms in molecular plane. Modulation anisotropic interactions tumbling pair cannot explain observed data.
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