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The potential energy surfaces of the gas-phase unimolecular decomposition reactions of 1-chloropropane and 2-chloropropane are investigated by various quantum chemical methods including CCSD(T), CCSD, GBS-QB3, C3B3, MP4, MP2, and B3LYP. Modified strong collision/RRKM theory was used to calculate the unimolecular rate constants as a function of pressure and temperature. It is found that the major reaction...
The complex potential energy surface of the H + CH2=CHCN reaction has been investigated at the BMC-CCSD level based on the geometric parameters optimized at the BHandHLYP/6-311++G(d,p) level. This reaction is revealed to be one of the significant loss processes of acrylonitrile. The BHandHLYP and M05-2X methods are employed to obtain initial geometries. The reaction mechanism confirms that H can attack...
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