Perturber m m_a(Da) m_p(Da) d_a(pm) d_p(pm) HWHH(cm-1 atm-1)_296K T_min(K) TiO 4 61.95 63.94 272 272 0.0273 * 67 Ar 10 61.95 39.96 272 333 0.0240 * 90 CH4 10 61.95 16.03 272 380 0.0385 * 97 CO 4 61.95 27.99 272 376 0.0495 * 82 CO2 6 61.95 43.99 272 330 0.0277 * 116 H2 6 61.95 2.02 272 292 0.0883 * 48 H2O 4 61.95 18.01 272 265 0.0399 * 124 He 10 61.95 4.00 272 258 0.0468 * 26 N2 6 61.95 28.02 272 368 0.0362 * 76 NH3 4 61.95 17.03 272 260 0.0401 * 111 NO 4 61.95 30.00 272 317 0.0399 * 93 O2 6 61.95 31.99 272 346 0.0323 * 86