23148
The most characteristic feature of CI is the Herzberg - Longuet - Higgins phase ( or the Berry phase ) arising from the electronic part of the total wave function , and accordingly quantum phases of both electronic and nuclear dynamics should be taken into account in a balanced manner .
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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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