39 co2 co o o1d o2 o3 h h2 oh ho2 h2o2 n2 ar h2o_ice h2o_vap n no no2 n2d he dust_number dust_mass ccn_number ccn_mass co2plus oplus o2plus coplus cplus nplus noplus n2plus hplus hco2plus hcoplus h2oplus h3oplus ohplus elec