Table 1. Species considered in the simulation.

	Neutral	Positive	Negative
He	He, He*, He2*	He+, He2+
O	O, O(1D), O(1S), O2, O2(a 1Δ), O2(b 1Σ), O3	O+, O2+, O4+	O–, O2–
H	H, H2		H–
OH	OH, HO2, H2O, H2O2	OH+, H2O+(H2O)n=0,1	OH–, H2O2–, OH–(H2O)n=1–3
		H+(H2O)n=1–9
		O2+(H2O)
Others			e