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. Author manuscript; available in PMC: 2015 Dec 16.
Published in final edited form as: J Chem Phys. 2014 Sep 14;141(10):104305. doi: 10.1063/1.4894501

FIG. 2.

FIG. 2

(Upper panel) Central section of the J = 2–1 rotational transition of AlC3N near 5.4 GHz. The nuclear quadrupole coupling hyperfine structure arising from both 27Al (I = 5/2) and 14N (I = 1) nuclei is clearly resolved. The coaxial arrangement of the adiabatic expansion and the resonator axis produces an instrumental Doppler doubling. The resonances frequencies are calculated as the average of the two Doppler components. (Lower panel) Theoretical simulation of the nuclear quadrupole hyperfine structure for the J = 2–1 rotational transition of AlCCCN isomer.