4923
Data are presented showing the spontaneous formation of electric fields within solid films of the chlorofluorocarbons ( CFCs ) CF ( 3 ) Cl , CF ( 2 ) Cl ( 2 ) and CFCl ( 3 ) as a function of film deposition temperature from 40 K and above .
 Chemical: chlorofluorocarbons; Chemical: CFCs; Chemical: CF ( 3 ) Cl; Chemical: CF ( 2 ) Cl ( 2 ); Chemical: CFCl ( 3 )
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: chlorofluorocarbons; Chemical: CFCs; Chemical: CF ( 3 ) Cl; Chemical: CF ( 2 ) Cl ( 2 ); Chemical: CFCl ( 3 )