Ammonia 4 Ammonia clusters Ab initio 2 Ab initio calculations 2 Ammonia molecules 2 Beam intensity profile 2 Charge separation (CS) 2 Cluster temperature 2 Electric deflection 2 Electron transfer process (ETP) 2 Excited states 2 Free radical reactions 2 Ground state 2 Hydrogen 2 Ionic strength 2 Particle size 2 Phenols 2 Polarizabilities 2 Pump probes 2 Small clusters 2 Solvation process 2 Solvents 2 Structure calculations 2 Time scaling 2 Unpaired electrons 2 Valence electron 2