Correlation between the absolute configuration and the CDspectra of organic peroxides was studied by ab initio method with a mo-d el moleeule CH3-O-O-CH3.For P form when 0°≤θ(twist angle of C-O-O-C)90°, there is positive Cotton effect;when 90°θ≤180°, there is nega-tive Cotton effect;the curve is bisignate at θ=90°.
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