5632
Relative Gibbs energies for all stable conformers are calculated at the Perdew , Burke and Enzerhof ( PBE ) 0 / 6 - 311 + G ( d , p ) level , and shifts are calculated using the gauge - including atomic orbital method with the PBE0 / 6 - 311 + G ( d , p ) geometry but using the cc - pVTZ basis set .
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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:
 None