Perturber m m_a(Da) m_p(Da) d_a(pm) d_p(pm) HWHH(cm-1 atm-1)_296K T_min(K) AlH 4 29.00 27.99 364.09 364.09 0.0727 17 Ar 10 29.00 39.96 364.09 333.00 0.0383 45 CH4 10 29.00 16.03 364.09 380.00 0.0557 48 CO 4 29.00 27.99 364.09 376.00 0.0751 41 CO2 6 29.00 43.99 364.09 330.00 0.0447 58 H2 6 29.00 2.02 364.09 292.00 0.1216 24 H2O 4 29.00 18.01 364.09 265.00 0.0614 62 He 10 29.00 4.00 364.09 258.00 0.0667 13 N2 6 29.00 28.01 364.09 368.00 0.0551 37 NH3 4 29.00 17.03 364.09 260.00 0.0615 55 NO 4 29.00 30.00 364.09 317.00 0.0625 46 O2 6 29.00 31.99 364.09 346.00 0.0502 43