13011
Solvation effects are found to modify the gas phase conformation of the dipeptides around psi dihedrals while the identity of the varying C - terminal residue affect the values of phi , planarity of the peptide planes and geometry around the alpha - carbon atoms .
 Chemical: dipeptides; Chemical: C; Chemical: alpha - carbon
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: dipeptides; Chemical: C; Chemical: alpha - carbon