16803
Three types of hybrid functionals ( B3LYP , X3LYP , and M06 - 2X ) and four basis sets ( 6 - 31G ( d ) , 6 - 31G ( d , p ) , 6 - 311G ( d ) , and 6 - 311G ( d , p ) ) are applied to predict the molecular geometries of the reactants , products and transition sates , and energy barriers .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None