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 41.98 39.98 338.06 338.06 0.0522 * 400 4 41.98 39.98 400.22 400.22 0.0732 Ar 10 41.98 39.96 338.06 333.00 0.0322 * 219 10 41.98 39.96 400.22 333.00 0.0384 CH4 10 41.98 16.03 338.06 380.00 0.0489 * 237 10 41.98 16.03 400.22 380.00 0.0578 CO 4 41.98 27.99 338.06 376.00 0.0643 * 200 4 41.98 27.99 400.22 376.00 0.0760 CO2 6 41.98 43.99 338.06 330.00 0.0374 * 283 6 41.98 43.99 400.22 330.00 0.0446 H2 6 41.98 2.02 338.06 292.00 0.1110 * 118 6 41.98 2.02 400.22 292.00 0.1340 H2O 4 41.98 18.01 338.06 265.00 0.0530 * 303 4 41.98 18.01 400.22 265.00 0.0645 He 10 41.98 4.00 338.06 258.00 0.0601 * 63 10 41.98 4.00 400.22 258.00 0.0733 N2 6 41.98 28.01 338.06 368.00 0.0472 * 184 6 41.98 28.01 400.22 368.00 0.0559 NH3 4 41.98 17.03 338.06 260.00 0.0532 * 271 4 41.98 17.03 400.22 260.00 0.0648 NO 4 41.98 30.00 338.06 317.00 0.0531 * 228 4 41.98 30.00 400.22 317.00 0.0636 O2 6 41.98 31.99 338.06 346.00 0.0426 * 210 6 41.98 31.99 400.22 346.00 0.0507