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研究了9.84￣11.80eV光子能量范围内1-丙醇和2-丙醇的光电离和离解光电离现象,测量了1-丙醇离解光电离产生的碎片离子CH3CH2CH2OH+、CH3CH2CHOH+、CH2CH2OH+、CH3CH2CH2+、CH3CH!CH2+和CH2OH+及2-丙醇离解光电离产生的碎片离子CH3CH(OH)CH3+、CH3C(OH)CH3+、CH3CHOH+、CH2!CHOH+、CH3CHCH3+和CH3CH!CH2+的光电离效率谱,得到了这些离子的出现势.结合从头算理论计算,给出了1-丙醇的碎片离子CH3CH2CHOH+、CH2CH2OH+、CH3CH2CH2+、CH3CH!CH2+、CH2OH+和2-丙醇的碎片离子CH3C(OH)CH3+、CH3CHOH+、CH2!CHOH+、CH3CHCH3+、CH3CH!CH2+等的解离通道和解离能.理论计算结果与实验结果符合得很好.
The photoionization and dissociative photoionization of 1-propanol and 2-propanol in the photon energy range of 9.84 ~11.80eV were studied. The fragment ions CH3CH2CH2OH +, CH3CH2CHOH +, CH2CH2OH +, CH3CH2CH2 +, CH3CH generated by the dissociation of 1-propanol were measured. The photoionization efficiency spectra of the fragment ions CH3CH (OH) CH3 +, CH3C (OH) CH3 +, CH3CHOH +, CH2! CHOH +, CH3CHCH3 + and CH3CH! CH2 + resulting from photodissociation of CH2 + and CH2OH + Potential ions of fragment ions CH3C (OH) CH3 +, CH3CHOH +, CH2CHOH +, CH3CHCH3 + and CH3CHCH3 + of fragmentation ions of 1-propanol were given by ab initio calculation. , CH3CH! CH2 +, etc. The theoretical calculation results are in good agreement with the experimental results.