期刊
JOURNAL OF THE CHINESE CHEMICAL SOCIETY
卷 47, 期 4A, 页码 769-772出版社
CHINESE CHEM SOC
DOI: 10.1002/jccs.200000105
关键词
chloroiodomethane; dihalomethanes; photodissociation in the condensed phase; femtosecond pump-probe spectroscopy
We have studied the photodissociation dynamics of chloroiodomethane (CH2ICl) in acetonitrile by ultrafast pump-probe spectroscopy. The reaction was initiated using a femtosecond pulse at 266 nm and the transient absorption was measured out to delays of 300 ps over a spectral region from 330 to 850 nm. The photo dissociation leads to formation and subsequent vibrational cooling of a product species, which we suggest is the isomer of chloroiodomethane, CH2Cl-I, likely produced via in-cage recombination between the nascent fragments CH2Cl and I.
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