5333
The effect of C - vacancy on hydrogen storage and characterization of H2 modes on Ti functionalized C60 fullerene a first principles study .
 Chemical: C; Chemical: hydrogen; Chemical: H2; Chemical: Ti; Chemical: C60 fullerene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: C; Chemical: hydrogen; Chemical: H2; Chemical: Ti; Chemical: C60 fullerene