Chemical Species
Here is a list of the chemical species in the mechanism:
using GasChem, DataFrames, EarthSciMLBase, ModelingToolkit, DynamicQuantities
using ModelingToolkit: t
gc = structural_simplify(GEOSChemGasPhase())
vars = unknowns(gc)
DataFrame(
:Name => [string(Symbolics.tosymbol(v, escape = false)) for v in vars],
:Units => [ModelingToolkit.get_unit(v) for v in vars],
:Description => [ModelingToolkit.getdescription(v) for v in vars],
:Default => [ModelingToolkit.getdefault(v) for v in vars])275×4 DataFrame
| Row | Name | Units | Description | Default |
|---|---|---|---|---|
| String | Quantity… | String | Float64 | |
| 1 | A3O2 | 1.0 | CH3CH2CH2OO; Primary RO2 from C3H8 | 59.469 |
| 2 | ACET | 1.0 | CH3C(O)CH3; Acetone | 87.473 |
| 3 | ACTA | 1.0 | CH3C(O)OH; Acetic acid | 70.187 |
| 4 | ALD2 | 1.0 | CH3CHO; Acetaldehyde | 9.4976 |
| 5 | ALK4 | 1.0 | >= C4 alkanes | 8.4827 |
| 6 | AROMP4 | 1.0 | Generic C4 product from aromatic oxidation | 52.322 |
| 7 | AROMP5 | 1.0 | Generic C5 product from aromatic oxidation | 4.8975 |
| 8 | AROMRO2 | 1.0 | generic peroxy radical from aromatic oxidation | 77.132 |
| 9 | ATO2 | 1.0 | CH3C(O)CH2O2; RO2 from acetone | 88.056 |
| 10 | ATOOH | 1.0 | CH3C(O)CH2OOH; ATO2 peroxide | 95.672 |
| 11 | B3O2 | 1.0 | CH3CH(OO)CH3; Secondary RO2 from C3H8 | 44.692 |
| 12 | BALD | 1.0 | benzaldehyde and tolualdehyde | 35.859 |
| 13 | BENZ | 1.0 | C6H6; Benzene | 18.166 |
| 14 | BENZO | 1.0 | C6H5O radical | 92.094 |
| 15 | BENZO2 | 1.0 | C6H5O2 radical | 45.77 |
| 16 | BENZP | 1.0 | hydroperoxide from BENZO2 | 45.646 |
| 17 | BRO2 | 1.0 | C6H5O2 ; Peroxy radical from BENZ oxidation | 90.134 |
| 18 | BZCO3 | 1.0 | benzoylperoxy radical | 34.301 |
| 19 | BZCO3H | 1.0 | perbenzoic acid | 18.28 |
| 20 | BZPAN | 1.0 | peroxybenzoyl nitrate | 25.224 |
| 21 | Br | 1.0 | Br; Atomic bromine | 56.283 |
| 22 | Br2 | 1.0 | Br2; Molecular bromine | 98.265 |
| 23 | BrCl | 1.0 | BrCl; Bromine chloride | 70.858 |
| 24 | BrNO2 | 1.0 | BrNO2; Nitryl bromide | 15.765 |
| 25 | BrNO3 | 1.0 | BrNO3; Bromine nitrate | 8.8808 |
| 26 | BrO | 1.0 | BrO; Bromine monoxide | 90.871 |
| 27 | C2H2 | 1.0 | C2H2; Ethyne | 64.023 |
| 28 | C2H4 | 1.0 | Ethylene | 48.832 |
| 29 | C2H6 | 1.0 | C2H6; Ethane | 95.5 |
| 30 | C3H8 | 1.0 | C3H8; Propane | 93.457 |
| 31 | C4HVP1 | 1.0 | C4 hydroxy-vinyl-peroxy radicals from HPALDs | 90.362 |
| 32 | C4HVP2 | 1.0 | C4 hydroxy-vinyl-peroxy radicals from HPALDs | 60.972 |
| 33 | CCl4 | 1.0 | CCl4; Carbon tetrachloride | 38.249 |
| 34 | CFC11 | 1.0 | CCl3F ; CFC-11, R-11, Freon 11 | 16.012 |
| 35 | CFC113 | 1.0 | C2Cl3F3; CFC-113, Freon 113 | 99.375 |
| 36 | CFC114 | 1.0 | C2Cl2F4; CFC-114, Freon 114 | 82.883 |
| 37 | CFC115 | 1.0 | C2ClF5; CFC-115, Freon 115 | 63.617 |
| 38 | CFC12 | 1.0 | CCl2F2; CFC-12, R-12, Freon 12 | 60.683 |
| 39 | CH2Br2 | 1.0 | CH3Br2; Dibromomethane | 53.658 |
| 40 | CH2Cl2 | 1.0 | CH2Cl2; Dichloromethane | 6.5485 |
| 41 | CH2I2 | 1.0 | CH2I2; Diiodomethane | 62.463 |
| 42 | CH2IBr | 1.0 | CH2IBr; Bromoiodomethane | 98.965 |
| 43 | CH2ICl | 1.0 | CH2ICl; Chloroiodomethane | 33.656 |
| 44 | CH2O | 1.0 | CH2O; Formaldehyde | 34.136 |
| 45 | CH2OO | 1.0 | CH2OO; Criegee intermediate | 72.666 |
| 46 | CH3Br | 1.0 | CH3Br; Methyl bromide | 76.768 |
| 47 | CH3CCl3 | 1.0 | CH3CCl3; Methyl chloroform | 99.842 |
| 48 | CH3CHOO | 1.0 | CH3CHOO; Criegee intermediate | 27.83 |
| 49 | CH3Cl | 1.0 | CH3Cl; Chloromethane | 14.055 |
| 50 | CH3I | 1.0 | CH3I; Methyl iodide | 19.671 |
| 51 | CH4 | 1.0 | CH4; Methane | 6.933 |
| 52 | CHBr3 | 1.0 | CHBr3; Tribromethane | 84.204 |
| 53 | CHCl3 | 1.0 | CHCl3; Chloroform | 79.435 |
| 54 | CO | 1.0 | CO; Carbon monoxide | 32.978 |
| 55 | CO2 | 1.0 | CO2; Carbon dioxide | 55.611 |
| 56 | CSL | 1.0 | cresols and xylols | 23.332 |
| 57 | Cl | 1.0 | Cl; Atomic chlorine | 47.484 |
| 58 | Cl2 | 1.0 | Cl2; Molecular chlorine | 71.292 |
| 59 | Cl2O2 | 1.0 | Cl2O2; Dichlorine dioxide | 96.248 |
| 60 | ClNO2 | 1.0 | ClNO2; Nitryl chloride | 36.482 |
| 61 | ClNO3 | 1.0 | ClONO2; Chlorine nitrate | 55.02 |
| 62 | ClO | 1.0 | ClO; Chlorine monoxide | 0.9863 |
| 63 | ClOO | 1.0 | ClOO; Chlorine dioxide | 53.802 |
| 64 | DMS | 1.0 | (CH3)2S; Dimethylsulfide | 5.8615 |
| 65 | EOH | 1.0 | C2H5OH; Ethanol | 18.988 |
| 66 | ETHLN | 1.0 | CHOCH2ONO2; Ethanal nitrate | 69.851 |
| 67 | ETHN | 1.0 | stable hydroxy-nitrooxy-ethane | 24.767 |
| 68 | ETHP | 1.0 | stable hydroxy-hydroperoxy-ethane | 59.843 |
| 69 | ETNO3 | 1.0 | C2H5ONO2; Ethyl nitrate | 11.558 |
| 70 | ETO | 1.0 | hydroxy-alkoxy-ethane radical | 85.116 |
| 71 | ETO2 | 1.0 | CH3CH2OO; Ethylperoxy radical | 29.3 |
| 72 | ETOO | 1.0 | hydroxy-peroxy-ethane radical, formed from ethene + OH | 24.842 |
| 73 | ETP | 1.0 | CH3CH2OOH; Ethylhydroperoxide | 81.95 |
| 74 | GLYC | 1.0 | HOCH2CHO; Glycoaldehyde | 20.407 |
| 75 | GLYX | 1.0 | CHOCHO; Glyoxal | 81.571 |
| 76 | H | 1.0 | H; Atomic hydrogen | 7.641 |
| 77 | H1211 | 1.0 | CBrClF2; H-1211 | 46.027 |
| 78 | H1301 | 1.0 | CBrF3; H-1301 | 36.584 |
| 79 | H2 | 1.0 | H2; Molecular hydrogen | 97.924 |
| 80 | H2402 | 1.0 | C2Br2F4; H-2402 | 52.639 |
| 81 | H2O | 1.0 | H2O; Water vapor | 56.623 |
| 82 | H2O2 | 1.0 | H2O2; Hydrogen peroxide | 44.325 |
| 83 | HAC | 1.0 | HOCH2C(O)CH3; Hydroxyacetone | 88.335 |
| 84 | HBr | 1.0 | HBr; Hypobromic acid | 15.715 |
| 85 | HC5A | 1.0 | C5H8O2; Isoprene-4,1-hydroxyaldehyde | 44.638 |
| 86 | HCFC123 | 1.0 | C2HCl2F3; HCFC-123, R-123, Freon 123 | 22.296 |
| 87 | HCFC141b | 1.0 | C(CH3)Cl2F; HCFC-141b, R-141b, Freon 141b | 93.091 |
| 88 | HCFC142b | 1.0 | C(CH3)ClF2; HCFC-142b, R-142b, Freon 142b | 81.415 |
| 89 | HCFC22 | 1.0 | CHClF2 ; HCFC-22, R-22, Freon 22 | 16.333 |
| 90 | HCOOH | 1.0 | HCOOH; Formic acid | 99.489 |
| 91 | HCl | 1.0 | HCl; Hydrochloric acid | 87.644 |
| 92 | HI | 1.0 | HI; Hydrogen iodide | 68.377 |
| 93 | HMHP | 1.0 | HOCH2OOH; Hydroxymethyl hydroperoxide | 16.437 |
| 94 | HMML | 1.0 | C4H6O3; Hydroxymethyl-methyl-a-lactone | 33.654 |
| 95 | HMS | 1.0 | HOCH2SO3-; hydroxymethanesulfonate | 54.099 |
| 96 | HNO2 | 1.0 | HONO; Nitrous acid | 18.174 |
| 97 | HNO3 | 1.0 | HNO3; Nitric acid | 62.17 |
| 98 | HNO4 | 1.0 | HNO4; Pernitric acid | 39.302 |
| 99 | HO2 | 1.0 | HO2; Hydroperoxyl radical | 58.306 |
| 100 | HOBr | 1.0 | HOBr; Hypobromous acid | 59.529 |
| 101 | HOCl | 1.0 | HOCl; Hypochlorous acid | 90.397 |
| 102 | HOI | 1.0 | HOI; Hypoiodous acid | 35.827 |
| 103 | HONIT | 1.0 | 2nd gen monoterpene organic nitrate | 58.76 |
| 104 | HPALD1 | 1.0 | O=CHC(CH3)=CHCH2OOH; d-4,1-C5-hydroperoxyaldehyde | 73.164 |
| 105 | HPALD1OO | 1.0 | peroxy radicals from HPALD1 | 34.759 |
| 106 | HPALD2 | 1.0 | HOOCH2C(CH3)=CHCH=O; d-1,4-C5-hydroperoxyaldehyde | 1.0291 |
| 107 | HPALD2OO | 1.0 | peroxy radicals from HPALD2 | 28.332 |
| 108 | HPALD3 | 1.0 | O=CHC(CH3)OOHCH=CH2; b-2,1-C5-hydroperoxyaldehyde | 91.404 |
| 109 | HPALD4 | 1.0 | CH2=C(CH3)CHOOHCH=O; b-3,4-C5-hydroperoxyaldehyde | 14.949 |
| 110 | HPETHNL | 1.0 | CHOCH2OOH; hydroperoxyethanal | 90.33 |
| 111 | I | 1.0 | I; Atmoic iodine | 85.092 |
| 112 | I2 | 1.0 | I2; Molecular iodine | 49.639 |
| 113 | I2O2 | 1.0 | I2O2; Diiodine dioxide | 70.687 |
| 114 | I2O3 | 1.0 | I2O3; Diiodine trioxide | 85.95 |
| 115 | I2O4 | 1.0 | I2O4; Diiodine tetraoxide | 36.304 |
| 116 | IBr | 1.0 | IBr; Iodine monobromide | 46.529 |
| 117 | ICHE | 1.0 | C5H8O3; Isoprene hydroxy-carbonyl-epoxides | 17.739 |
| 118 | ICHOO | 1.0 | peroxy radical from IEPOXD | 75.448 |
| 119 | ICN | 1.0 | C5H7NO4; Lumped isoprene carbonyl nitrates | 22.128 |
| 120 | ICNOO | 1.0 | peroxy radicals from ICN | 12.649 |
| 121 | ICPDH | 1.0 | C5H10O5; Isoprene dihydroxy hydroperoxycarbonyl | 71.736 |
| 122 | ICl | 1.0 | ICl; Iodine monochloride | 32.124 |
| 123 | IDC | 1.0 | C5H6O2; Lumped isoprene dicarbonyls | 28.84 |
| 124 | IDCHP | 1.0 | C5H8O5; Isoprene dicarbonyl hydroxy dihydroperoxide | 2.3035 |
| 125 | IDHDP | 1.0 | C5H12O6; Isoprene dihydroxy dihydroperoxide | 21.649 |
| 126 | IDHNBOO | 1.0 | peroxy radicals from INPB | 25.086 |
| 127 | IDHNDOO1 | 1.0 | peroxy radicals from INPD | 15.276 |
| 128 | IDHNDOO2 | 1.0 | peroxy radicals from INPD | 61.961 |
| 129 | IDHPE | 1.0 | C5H10O5; Isoprene dihydroxy hydroperoxy epoxide | 94.216 |
| 130 | IDN | 1.0 | C5H8N2O6; Lumped isoprene dinitrates | 13.328 |
| 131 | IDNOO | 1.0 | peroxy radicals from IDN | 44.188 |
| 132 | IEPOXA | 1.0 | C5H10O3; trans-Beta isoprene epoxydiol | 60.554 |
| 133 | IEPOXAOO | 1.0 | peroxy radical from trans-Beta isoprene epoxydiol | 27.948 |
| 134 | IEPOXB | 1.0 | C5H10O3; cis-Beta isoprene epoxydiol | 38.609 |
| 135 | IEPOXBOO | 1.0 | peroxy radical from cis-Beta isoprene epoxydiol | 87.094 |
| 136 | IEPOXD | 1.0 | C5H10O3; Delta isoprene epoxydiol | 8.0346 |
| 137 | IHN1 | 1.0 | C5H9NO4; Isoprene-d-4-hydroxy-1-nitrate | 11.028 |
| 138 | IHN2 | 1.0 | C5H9NO4; Isoprene-b-1-hydroxy-2-nitrate | 71.286 |
| 139 | IHN3 | 1.0 | C5H9NO4; Isoprene-b-4-hydroxy-3-nitrate | 82.443 |
| 140 | IHN4 | 1.0 | C5H9NO4; Isoprene-d-1-hydroxy-4-nitrate | 91.975 |
| 141 | IHOO1 | 1.0 | peroxy radical from OH addition to isoprene at C1 | 27.517 |
| 142 | IHOO4 | 1.0 | peroxy radical from OH addition to isoprene at C4 | 51.624 |
| 143 | IHPNBOO | 1.0 | peroxy radicals from INPB | 66.363 |
| 144 | IHPNDOO | 1.0 | peroxy radicals from INPD | 63.447 |
| 145 | IHPOO1 | 1.0 | peroxy radical from ISOPOOH | 79.476 |
| 146 | IHPOO2 | 1.0 | peroxy radical from ISOPOOH | 58.328 |
| 147 | IHPOO3 | 1.0 | peroxy radical from ISOPOOH | 5.9515 |
| 148 | INA | 1.0 | alkoxy radical from INO2D | 26.49 |
| 149 | INDIOL | 1.0 | Generic aerosol phase organonitrate hydrolysis product | 52.424 |
| 150 | INO | 1.0 | INO; Nitrosyl iodide | 73.106 |
| 151 | INO2B | 1.0 | beta-peroxy radicals from isoprene + NO3 | 25.723 |
| 152 | INO2D | 1.0 | delta-peroxy radicals from isoprene + NO3 | 30.524 |
| 153 | INPB | 1.0 | C5H9NO5; Lumped isoprene beta-hydroperoxy nitrates | 96.224 |
| 154 | INPD | 1.0 | C5H9NO5; Lumped isoprene delta-hydroperoxy nitrates | 80.193 |
| 155 | IO | 1.0 | IO; Iodine monoxide | 26.615 |
| 156 | IONITA | 1.0 | Aerosol-phase organic nitrate from isoprene precursors | 25.539 |
| 157 | IONO | 1.0 | IONO; Nitryl iodide | 56.756 |
| 158 | IONO2 | 1.0 | IONO2; Iodine nitrate | 53.992 |
| 159 | IPRNO3 | 1.0 | C3H8ONO2; Isopropyl nitrate | 22.638 |
| 160 | ISOP | 1.0 | CH2=C(CH3)CH=CH2; Isoprene | 83.24 |
| 161 | ISOPNOO1 | 1.0 | peroxy radicals from IHN2 | 60.043 |
| 162 | ISOPNOO2 | 1.0 | peroxy radicals from IHN3 | 71.16 |
| 163 | ITCN | 1.0 | C5H9NO7; Lumped tetrafunctional isoprene carbonyl-nitrates | 26.206 |
| 164 | ITHN | 1.0 | C5H11NO7; Lumped tetrafunctional isoprene hydroxynitrates | 11.572 |
| 165 | KO2 | 1.0 | RO2 from >3 ketones | 84.868 |
| 166 | LBRO2H | 1.0 | Dummy spc to track oxidation of BRO2 by HO2 | 61.633 |
| 167 | LBRO2N | 1.0 | Dummy spc to track oxidation of BRO2 by NO | 11.255 |
| 168 | LIMO | 1.0 | C10H16; Limonene | 53.446 |
| 169 | LIMO2 | 1.0 | RO2 from LIMO | 92.794 |
| 170 | LISOPNO3 | 1.0 | Dummy spc to track oxidation of ISOP by NO3 | 29.918 |
| 171 | LISOPOH | 1.0 | Dummy spc to track oxidation of ISOP by OH | 92.199 |
| 172 | LNRO2H | 1.0 | Dummy spc to track oxidation of NRO2 by HO2 | 29.939 |
| 173 | LNRO2N | 1.0 | Dummy spc to track oxidation of NRO2 by NO | 57.661 |
| 174 | LTRO2H | 1.0 | Dummy spc to track oxidation of TRO2 by HO2 | 46.441 |
| 175 | LTRO2N | 1.0 | Dummy spc to track oxidation of TRO2 by NO | 28.826 |
| 176 | LVOC | 1.0 | C5H14O5; Gas-phase low-volatility non-IEPOX product of ISOPOOH (RIP) oxidation | 47.079 |
| 177 | LXRO2H | 1.0 | Dummy spc to track oxidation of XRO2 by HO2 | 62.462 |
| 178 | LXRO2N | 1.0 | Dummy spc to track oxidation of XRO2 by NO | 39.337 |
| 179 | MACR | 1.0 | CH2=C(CH3)CHO; Methacrolein | 17.935 |
| 180 | MACR1OO | 1.0 | peroxyacyl radical from MACR + OH | 91.114 |
| 181 | MACR1OOH | 1.0 | CH2=C(CH3)C(O)OOH; Peracid from MACR | 61.547 |
| 182 | MACRNO2 | 1.0 | Product of MCRHN + OH | 97.585 |
| 183 | MAP | 1.0 | CH3C(O)OOH; Peroxyacetic acid | 61.421 |
| 184 | MCO3 | 1.0 | CH3C(O)OO; Peroxyacetyl radical | 0.622 |
| 185 | MCRDH | 1.0 | C4H8O3; Dihydroxy-MACR | 23.756 |
| 186 | MCRENOL | 1.0 | C4H6O2; Lumped enols from MVK/MACR | 43.151 |
| 187 | MCRHN | 1.0 | HOCH2C(ONO2)(CH3)CHO; Hydroxynitrate from MACR | 5.5067 |
| 188 | MCRHNB | 1.0 | O2NOCH2C(OH)(CH3)CHO; Hydroxynitrate from MACR | 2.8277 |
| 189 | MCRHP | 1.0 | HOCH2C(OOH)(CH3)CHO; Hydroxy-hydroperoxy-MACR | 0.2048 |
| 190 | MCROHOO | 1.0 | peroxy radical from MACR + OH | 49.422 |
| 191 | MCT | 1.0 | methylcatechols | 77.753 |
| 192 | MEK | 1.0 | RC(O)R; Methyl ethyl ketone | 61.732 |
| 193 | MENO3 | 1.0 | CH3ONO2; methyl nitrate | 89.773 |
| 194 | MGLY | 1.0 | CH3COCHO; Methylglyoxal | 93.209 |
| 195 | MO2 | 1.0 | CH3O2; Methylperoxy radical | 73.881 |
| 196 | MOH | 1.0 | CH3OH; Methanol | 55.585 |
| 197 | MONITA | 1.0 | Aerosol-phase organic nitrate from monoterpene precursors | 61.052 |
| 198 | MONITS | 1.0 | Saturated 1st gen monoterpene organic nitrate | 71.179 |
| 199 | MONITU | 1.0 | Unsaturated 1st gen monoterpene organic nitrate | 23.294 |
| 200 | MP | 1.0 | CH3OOH; Methylhydroperoxide | 25.386 |
| 201 | MPAN | 1.0 | CH2=C(CH3)C(O)OONO2; Peroxymethacroyl nitrate (PMN) | 89.575 |
| 202 | MPN | 1.0 | CH3O2NO2; Methyl peroxy nitrate | 59.399 |
| 203 | MSA | 1.0 | CH4SO3; Methanesulfonic acid | 82.711 |
| 204 | MTPA | 1.0 | Lumped monoterpenes: a-pinene, b-pinene, sabinene, carene | 25.413 |
| 205 | MTPO | 1.0 | Other monoterpenes: Terpinene, terpinolene, myrcene, ocimene, other monoterpenes | 8.9141 |
| 206 | MVK | 1.0 | CH2=CHC(=O)CH3; Methyl vinyl ketone | 62.109 |
| 207 | MVKDH | 1.0 | HOCH2CH2OHC(O)CH3; Dihydroxy-MVK | 97.635 |
| 208 | MVKHC | 1.0 | C4H6O3; MVK hydroxy-carbonyl | 98.159 |
| 209 | MVKHCB | 1.0 | C4H6O3; MVK hydroxy-carbonyl | 50.621 |
| 210 | MVKHP | 1.0 | C4H8O4; MVK hydroxy-hydroperoxide | 35.334 |
| 211 | MVKN | 1.0 | HOCH2CH(ONO2)C(=O)CH3; Hydroxynitrate from MVK | 48.57 |
| 212 | MVKOHOO | 1.0 | peroxy radical from MVK + OH | 41.49 |
| 213 | MVKPC | 1.0 | OCHCH(OOH)C(O)CH3; MVK hydroperoxy-carbonyl | 8.259 |
| 214 | N | 1.0 | N; Atomic nitrogen | 56.891 |
| 215 | N2 | 1.0 | N2; Molecular nitrogen | 36.998 |
| 216 | N2O | 1.0 | N2O; Nitrous oxide | 50.751 |
| 217 | N2O5 | 1.0 | N2O5; Dinitrogen pentoxide | 19.118 |
| 218 | NAP | 1.0 | C10H8; Naphthalene; IVOC surrogate | 33.27 |
| 219 | NIT | 1.0 | NIT; Fine mode inorganic nitrate | 77.088 |
| 220 | NITs | 1.0 | NITs; Coarse mode inorganic nitrate | 56.341 |
| 221 | NO | 1.0 | NO; Nitric oxide | 54.454 |
| 222 | NO2 | 1.0 | NO2; Nitrogen dioxide | 5.5605 |
| 223 | NO3 | 1.0 | NO3; Nitrate radical | 31.739 |
| 224 | NPHEN | 1.0 | nitrophenols | 87.002 |
| 225 | NPRNO3 | 1.0 | C3H8ONO2; n-propyl nitrate | 58.488 |
| 226 | NRO2 | 1.0 | Peroxy radical from NAP oxidation | 83.618 |
| 227 | O | 1.0 | O(3P); Ground state atomic oxygen | 14.164 |
| 228 | O1D | 1.0 | O(1D); Excited atomic oxygen | 17.648 |
| 229 | O2 | 1.0 | O2; Molecular oxygen | 51.201 |
| 230 | O3 | 1.0 | O3; Ozone | 2.1326 |
| 231 | OCS | 1.0 | COS; Carbonyl sulfide | 20.867 |
| 232 | OClO | 1.0 | OClO; Chlorine dioxide | 60.037 |
| 233 | OH | 1.0 | OH; Hydroxyl radical | 19.293 |
| 234 | OIO | 1.0 | OIO; Iodine dioxide | 51.406 |
| 235 | OLND | 1.0 | Monoterpene-derived NO3-alkene adduct | 63.247 |
| 236 | OLNN | 1.0 | Monoterpene-derived NO3 adduct | 95.667 |
| 237 | OTHRO2 | 1.0 | Other C2 RO2 not from C2H6 oxidation | 74.722 |
| 238 | PAN | 1.0 | CH3C(O)OONO2; Peroxyacetylnitrate | 59.945 |
| 239 | PHEN | 1.0 | phenol | 59.463 |
| 240 | PIO2 | 1.0 | RO2 from MTPA | 94.953 |
| 241 | PIP | 1.0 | Peroxides from MTPA | 96.809 |
| 242 | PO2 | 1.0 | HOCH2CH(OO)CH3; RO2 from propene | 25.827 |
| 243 | PP | 1.0 | HOCH2CH(OOH)CH3; Peroxide from PO2 | 61.804 |
| 244 | PPN | 1.0 | CH3CH2C(O)OONO2; Peroxypropionylnitrate | 94.436 |
| 245 | PRN1 | 1.0 | O2NOCH2CH(OO)CH3; RO2 from propene + NO3 | 87.618 |
| 246 | PROPNN | 1.0 | CH3C(=O)CH2ONO2; Propanone nitrate | 33.842 |
| 247 | PRPE | 1.0 | C3H6; >= C3 alkenes | 63.131 |
| 248 | PRPN | 1.0 | O2NOCH2CH(OOH)CH3; Peroxide from PRN1 | 43.083 |
| 249 | PYAC | 1.0 | CH3COCOOH; Pyruvic acid | 79.104 |
| 250 | R4N1 | 1.0 | RO2 from R4N2 | 37.438 |
| 251 | R4N2 | 1.0 | RO2NO; >= C4 alkylnitrates | 46.153 |
| 252 | R4O2 | 1.0 | RO2 from ALK4 | 36.162 |
| 253 | R4P | 1.0 | CH3CH2CH2CH2OOH; Peroxide from R4O2 | 40.804 |
| 254 | RA3P | 1.0 | CH3CH2CH2OOH; Peroxide from A3O2 | 57.025 |
| 255 | RB3P | 1.0 | CH3CH(OOH)CH3; Peroxide from B3O2 | 72.421 |
| 256 | RCHO | 1.0 | CH3CH2CHO; >= C3 aldehydes | 37.68 |
| 257 | RCO3 | 1.0 | CH3CH2C(O)OO; Peroxypropionyl radical | 63.108 |
| 258 | RCOOH | 1.0 | C2H5C(O)OH; > C2 organic acids | 12.892 |
| 259 | RIPA | 1.0 | HOCH2C(OOH)(CH3)CH=CH2; 1,2-ISOPOOH | 42.881 |
| 260 | RIPB | 1.0 | HOCH2C(OOH)(CH3)CH=CH2; 4,3-ISOPOOH | 24.737 |
| 261 | RIPC | 1.0 | C5H10O3; d(1,4)-ISOPOOH | 57.374 |
| 262 | RIPD | 1.0 | C5H10O3; d(4,1)-ISOPOOH | 5.9941 |
| 263 | ROH | 1.0 | C3H7OH; > C2 alcohols | 67.75 |
| 264 | RP | 1.0 | CH3CH2C(O)OOH; Peroxide from RCO3 | 38.598 |
| 265 | SALAAL | 1.0 | Accumulation mode seasalt aerosol alkalinity | 37.928 |
| 266 | SALACL | 1.0 | Cl; Fine chloride | 41.613 |
| 267 | SALCAL | 1.0 | Coarse mode seasalt aerosol alkalinity | 13.651 |
| 268 | SALCCL | 1.0 | Cl; Coarse chloride | 41.813 |
| 269 | SO2 | 1.0 | SO2; Sulfur dioxide | 6.218 |
| 270 | SO4 | 1.0 | SO4; Sulfate | 97.494 |
| 271 | SO4s | 1.0 | SO4 on sea-salt; Sulfate | 74.244 |
| 272 | TOLU | 1.0 | C7H8; Toluene | 58.265 |
| 273 | TRO2 | 1.0 | Peroxy radical from TOLU oxidation | 10.659 |
| 274 | XRO2 | 1.0 | Peroxy radical from XYLE oxidation | 25.058 |
| 275 | XYLE | 1.0 | C8H10; Xylene | 24.563 |