27610
We present matrix isolation infrared absorption spectra of NH3 and ND3 trapped in solid parahydrogen ( pH2 ) at temperatures around 1 . 8 K .
 Chemical: NH3; Chemical: ND3; Chemical: parahydrogen; Chemical: pH2
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: NH3; Chemical: ND3; Chemical: parahydrogen; Chemical: pH2