The infrared spectra of cyclopropylamine (c-C$_3$H$_5$NH$_2$) in the region of 35-600 cm$^{-1}$ have been measured at 298K with a resolution of 0.00096 cm$^{-1}$ using the far-infrared beamline at the Canadian Light Source synchrotron. We report here the results of the rovibrational analysis of the $\nu$$_{27}$ (253.87 cm$^{-1}$) –NH$_2$ torsional fundamental, as well as the pure rotational analysis of transitions associated with the ground state and the first excited state of the –NH$_2$ torsional mode between 35 and 60 cm$^{-1}$. The ongoing assignment and analysis of hot bands and overtones involving higher torsional states will also be discussed.
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