Table 2. Hammett reaction constants () and proton affinity data of benzenes, pyridines and phosphorines

From

Comparison of Substituent Effects in Benzenes (XC5H5C), Pyridines (XC5H4N) and Phosphorines (XC5H4P) and their Protonated Species

R. Sanjeev, V. Jagannadham

World Journal of Chemical Education. 2020, 8(4), 155-162 doi:10.12691/wjce-8-4-3