Table 4: Chemical content of the benchmark calculations.
Chemical species in the models

H, H⁺, H₂, H₂⁺, H₃⁺

O, O⁺, OH⁺, OH, O₂, O₂⁺, H₂O, H₂O⁺, H₃O⁺

C, C⁺, CH, CH⁺, CH₂, CH₂⁺, CH₃,

CH₃⁺, CH₄, CH₄⁺, CH₅⁺, CO, CO⁺,HCO⁺

He, He⁺, e^-

**Table 4:** Chemical content of the benchmark calculations.
Chemical species in the models
H, H⁺, H₂, H₂⁺, H₃⁺
O, O⁺, OH⁺, OH, O₂, O₂⁺, H₂O, H₂O⁺, H₃O⁺
C, C⁺, CH, CH⁺, CH₂, CH₂⁺, CH₃,
CH₃⁺, CH₄, CH₄⁺, CH₅⁺, CO, CO⁺,HCO⁺
He, He⁺, e^-

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