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Legon, A.C.; Miller, D.J.; Willoughby, L.C., Spectroscopic investigations of hydrogen bonding interactions in the gas phase. X. Properties of the hydrogen-bonded heterodimer HCN···HF determined from hyperfine coupling and centrifugal distortion effects in its ground-state rotational spectrum, Proc. R. Soc. London A, 1985, 401, 327-347. [all data]