14116
Characterization of the complexes were achieved by IR and NMR ( ( 1 ) H and ( 13 ) C ) spectra and in addition , for 2 and 3 , by X - ray crystallography .
 Chemical: ( 1 ) H; Chemical: ( 13 ) C
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: ( 1 ) H; Chemical: ( 13 ) C