jz500600w_si_liveslides.zip (3.76 MB)

Halogen–Halogen Links and Internal Dynamics in Adducts of Freons

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posted on 17.12.2015, 01:56 by Qian Gou, Lorenzo Spada, Emilio J. Cocinero, Walther Caminati
The pulsed jet Fourier transform microwave spectrum of the 1:1 complex between CF3Cl and CH3F shows that the two moieties are linked by a Cl···F halogen bond (RCl···F = 2.995 Å). The two symmetric tops CF3 and CH3 undergo free or almost free internal rotations, which alter the “rigid” value of the rotational constant A by almost 1 order of magnitude.