Perturber m m_a(Da) m_p(Da) d_a(pm) d_p(pm) HWHH(cm-1 atm-1)_296K T_min(K) MgO 4 40.98 39.98 338.06 338.06 0.0526 * 400 4 40.98 39.98 400.22 400.22 0.0737 Ar 10 40.98 39.96 338.06 333.00 0.0324 * 219 10 40.98 39.96 400.22 333.00 0.0386 CH4 10 40.98 16.03 338.06 380.00 0.0491 * 237 10 40.98 16.03 400.22 380.00 0.0580 CO 4 40.98 27.99 338.06 376.00 0.0647 * 200 4 40.98 27.99 400.22 376.00 0.0764 CO2 6 40.98 43.99 338.06 330.00 0.0376 * 283 6 40.98 43.99 400.22 330.00 0.0449 H2 6 40.98 2.02 338.06 292.00 0.1111 * 118 6 40.98 2.02 400.22 292.00 0.1341 H2O 4 40.98 18.01 338.06 265.00 0.0532 * 303 4 40.98 18.01 400.22 265.00 0.0647 He 10 40.98 4.00 338.06 258.00 0.0601 * 63 10 40.98 4.00 400.22 258.00 0.0733 N2 6 40.98 28.01 338.06 368.00 0.0474 * 184 6 40.98 28.01 400.22 368.00 0.0561 NH3 4 40.98 17.03 338.06 260.00 0.0533 * 271 4 40.98 17.03 400.22 260.00 0.0650 NO 4 40.98 30.00 338.06 317.00 0.0533 * 228 4 40.98 30.00 400.22 317.00 0.0639 O2 6 40.98 31.99 338.06 346.00 0.0428 * 210 6 40.98 31.99 400.22 346.00 0.0510