1738
The intramolecular thione - thiol tautomerism and intermolecular double proton transfer reaction of the hydrogen - bonded thione and thiol dimers in the title triazole compound were studied at the B3LYP level of theory using 6 - 311 + + G ( d , p ) basis function .
 Chemical: thione - thiol; Chemical: hydrogen; Chemical: thione and thiol dimers; Chemical: triazole
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: thione - thiol, hydrogen, thione and thiol dimers, triazole 
Answer:
 Chemical: thione - thiol; Chemical: hydrogen; Chemical: thione and thiol dimers; Chemical: triazole