4 O = O ; {oxygen atomic ground state (3P)}
5 O1D = O ; {oxygen atomic first singlet state}
7 NO = N + O ; {nitric oxide}
8 NO2 = N + 2O ; {nitrogen dioxide}
9 NO3 = N + 3O ; {nitrogen trioxide}
10 N2O5 = 2N + 5O ; {dinitrogen pentoxide}
11 HNO3 = H + N + 3O ; { nitric acid }
12 HNO4 = H + N + 4O ; {HO2NO2 pernitric acid}
13 H = H ; {hydrogen atomic ground state (2S)}
14 OH = O + H ; {hydroxyl radical}
15 HO2 = H + 2O ; {perhydroxyl radical}
16 H2O2 = 2H + 2O ; {hydrogen peroxide}
17 CH3 = C + 3H ; {methyl radical}
18 CH3O = C + 3H + O ; {methoxy radical}
19 CH3O2 = C + 3H + 2O ; {methylperoxy radical}
20 CH3OOH = C + 4H + 2O ; {CH4O2 methylperoxy alcohol}
21 HCO = H + C + O ; {CHO formyl radical}
22 CH2O = C + 2H + O ; {formalydehyde}
23 Cl = Cl ; {chlorine atomic ground state (2P3/2)}
24 Cl2 = 2Cl ; {molecular chlorine}
25 ClO = Cl + O ; {chlorine monoxide radical}
26 ClOO = Cl + 2O ; {asymmetrical chlorine dioxide radical}
27 OClO = Cl + 2O ; {symmetrical chlorine dioxide}
28 Cl2O2 = 2Cl + 2O ; {chlorine monoxide dimer}
29 HCl = H + Cl ; {hydrogen chloride}
30 HOCl = H + O + Cl ; {hydrochlorous acid}
31 ClONO2 = Cl + 3O + N ; {ClNO3, chlorine nitrate}
32 Br = Br ; {bromine atomic ground state (2P3/2)}
33 BrCl = Br + Cl ; {bromine chloride}
34 BrO = Br + O ; {bromine monoxide radical}
35 HBr = H + Br ; {hydrogen bromide}
36 HOBr = H + O + Br ; {hydrobromous acid}
37 BrONO2 = Br + N + 3O ; {BrNO3, bromine nitrate}
41 H2O = H + 2O ; {water}
42 H2 = 2H ; {molecular hydrogen}
43 O2 = 2O ; {molecular oxygen}
44 N2 = 2N ; {molecular nitrogen}
45 CH4 = C + 4H ; {methane}
46 CO = C + O ; {carbon monoxide}