Temperature dependence of self-broadening of allene in the ν 10 band

Using a tunable diode-laser spectrometer, we have measured self-broadening coefficients of allene for 4 lines in the v(10) fundamental band near 11 pin for three low temperatures (178.15, 208.15, and 243.65 K). The collisional halfwidths are obtained by fitting the spectral lines with a Voigt and a Rautian profile. For these lines, the n parameter of the temperature dependence has been determined giving a mean value of 0.700. (C) 2013 Elsevier Inc. All rights reserved.