duced by hydrogen bonding. The Stark spectrum of indole-NH 3. Physical Chemistry Chemical Physics 14.8990-8998 (2012). 90. Nguyen, M. T.. Kryathko, E S. & Vanqukkenborne, L G. General and theoretical aspects of phenols. The Chemistry of Phenols 2, 1-198(2003). 91. Pen• Pt, Wu. C. & Ponder. I. W. Polarizable atomic m