29923
We report global calculations of rovibrational spectra and dipole transition intensities of methane using our recent ab initio dipole moment and potential surfaces [ Nikitin et al . , Chem . Phys . Lett . , 2011 , 501 , 179 ; 2013 , 565 , 5 ] .
 Chemical: methane
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: methane