8641
The hydrogen bonds ( HBs ) , HB lifetime , HB Gibbs energy ( Delta G ) , radial distribution functions ( RDFs ) , coordination numbers ( CNs ) , electrostatic interactions , and the van der Waals interactions between the different species have been analyzed .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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