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Experimental information on the CX⋯π halogen bonding motif was obtained by studying the formation of molecular complexes of CF 3 Cl, CF 3 Br and CF 3 I with ethyne, propyne and 2-butyne in liquid krypton, using FTIR and Raman spectroscopy. For CF 3 Br, experimental evidence was found for the formation of 1:1 complexes with propyne and 2-butyne only, while for CF ...
Acetone molecules dissolved in liquid krypton are inclined to self-associate into dimers. This behavior affects its use as a prototype Lewis base in studies of weak intermolecular interactions. In this study infrared spectra of mixed solutions of dimethyl ether and CF3X and of acetone and CF3X (with X=I or Br) dissolved in liquid argon and liquid krypton are recorded at constant temperature. The dataset...
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