1 : Water vapour (H2O) 2 : Carbon dioxide (CO2) 3 : Ozone (O3) 4 : Nitrous oxide (N2O) 5 : Carbon monoxide (CO) 6 : Methane (CH4) 7 : Dioxygen (O2) 8 : Nitrogen oxide (NO) 9 : Sulfur dioxide (SO2) 10 : Nitrogen dioxide (NO2) 11 : Ammonia (NH3) 12 : Nitric acid (HNO3) 13 : Hydroxyl radical (OH) 14 : Hydrogen fluoride (HF) 15 : Hydrogen chloride (HCl) 16 : Hydrogen bromide (HBr) 17 : Hydrogen iodide (HI) 18 : Chlorine monoxide (ClO) 19 : Carbonyl sulfide (OCS) 20 : Formaldehyde (H2CO) 21 : Hypochlorous acid (HOCl) 22 : Nitrogen (N2) 23 : Hydrogen cyanide (HCN) 24 : Chloromethane (CH3Cl) 25 : Hydrogen peroxide (H2O2) 26 : Acetylene (C2H2) 27 : Ethane (C2H6) 28 : Phosphine (PH3) 29 : Carbonyl fluoride (COF2) 30 : Sulfur hexafluoride (SF6) 31 : Hydrogen sulfide (H2S) 32 : Formic acid (HCOOH) 33 : Hydroperoxyl radical (HO2) 34 : Oxygen (O) 35 : Chlorine nitrate (ClONO2) 36 : Nitrosonium ion (NO+) 37 : Hypobromous acid (HOBr) 38 : Ethylene (C2H4) 39 : Methanol (CH3OH) 40 : Bromomethane (CH3Br) 41 : Acetonitrile (CH3CN) 42 : Carbon tetrafluoride (CF4) 43 : Diacetylene (C4H2) 44 : Cyanoacetylene (HC3N) 45 : Molecular hydrogen (H2) 46 : Carbon monosulfide (CS) 47 : Sulfur trioxide (SO3) 48 : Cyanogen (C2N2) 49 : Phosgene (COCl2) 50 : Sulfur monoxide (SO) 51 : Methyl fluoride (CH3F) 52 : Germane (GeH4) 53 : Carbon disulfide (CS2) 54 : Methyl iodide (CH3I) 55 : Nitrogen trifluoride (NF3) Partition functions of molecule ClONO2 Survey Note. In view mode files longer than 2048K are truncated.