22996
Among the tested methods , the best agreement with the benchmark database has been obtained for the double - hybrid DSD - BLYP functional in combination with a quadruple - zeta basis set , which is , however , computationally very demanding .
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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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