TY - JOUR
T1 - Detection of the triplet HC4N radical by Fourier transform microwave spectroscopy
AU - Tang, Jian
AU - Sumiyoshi, Yoshihiro
AU - Endo, Yasuki
N1 - Funding Information:
This work was supported by Grants-in-Aid for Scientific Research (C) (No. 06640644) by the Ministry of Education, Science, Sports and Culture of Japan. J.T. thanks the JSPS Postdoctoral Fellowship for Foreign Researchers and Monbusho's Grant-in-Aid for JSPS Fellows.
PY - 1999/12/17
Y1 - 1999/12/17
N2 - The triplet HC4N radical in a linear carbon-chain form has been detected by Fourier transform microwave spectroscopy for the first time. Rotational transitions with fine and hyperfine structures, about 130 lines in total, were observed in a pulsed-discharge-nozzle supersonic expansion of the HC3N sample diluted in Ar buffer gas. The spectrum was assigned to the linear HC4N radical by various combinations of discharge gases, by the rotational, fine and hyperfine structures, and most decisively, by comparison of the determined molecular constants with those of the HCCN radical.
AB - The triplet HC4N radical in a linear carbon-chain form has been detected by Fourier transform microwave spectroscopy for the first time. Rotational transitions with fine and hyperfine structures, about 130 lines in total, were observed in a pulsed-discharge-nozzle supersonic expansion of the HC3N sample diluted in Ar buffer gas. The spectrum was assigned to the linear HC4N radical by various combinations of discharge gases, by the rotational, fine and hyperfine structures, and most decisively, by comparison of the determined molecular constants with those of the HCCN radical.
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U2 - 10.1016/S0009-2614(99)01213-0
DO - 10.1016/S0009-2614(99)01213-0
M3 - Article
AN - SCOPUS:0002807211
SN - 0009-2614
VL - 315
SP - 69
EP - 74
JO - Chemical Physics Letters
JF - Chemical Physics Letters
IS - 1-2
ER -