PH₂

Phosphino
Flags: RATE12
Empirical: H₂P
Mass: 33 amu
Heat of formation: 112.3 kJ mol^-1
Added to system: 2003-05-06 06:43:21

5 PH₂ formation reactions

	Reaction	α	β	T_l - T_u (K)
1	PH₃⁺ + e^- → PH₂ + H	1.50e-7	-0.50	10 - 300
2	CH₃OH + PH₃⁺ → CH₃OH₂⁺ + PH₂	1.90e-9	-0.50	10 - 41000
3	NH₃ + PH₃⁺ → PH₂ + NH₄⁺	2.30e-9	-0.50	10 - 41000
4	PH₃⁺ + H₂S → H₃S⁺ + PH₂	1.00e-9	-0.50	10 - 41000
5	O + CH₂PH → PH₂ + CO + H	4.00e-11	0.00	10 - 300

	Reaction	α	γ	T_l - T_u (K)
1	H⁺ + PH₂ → PH₂⁺ + H	1.00e-9	0.00	10 - 41000
2	PH₂ + CRPHOT → PH + H	1.30e-17	750.00	10 - 41000
3	H₃⁺ + PH₂ → PH₃⁺ + H₂	2.00e-9	0.00	10 - 41000
4	HCO⁺ + PH₂ → PH₃⁺ + CO	1.00e-9	0.00	10 - 41000
5	He⁺ + PH₂ → P⁺ + He + H₂	1.00e-9	0.00	10 - 41000
6	O + PH₂ → HPO + H	8.00e-11	0.00	10 - 300
7	O + PH₂ → PH + OH	2.00e-11	0.00	10 - 300
8	O + PH₂ → PO + H₂	4.00e-11	0.00	10 - 300
9	PH₂ + PHOTON → PH₂⁺ + e^-	1.73e-10	2.60	10 - 41000
10	PH₂ + PHOTON → PH + H	2.11e-10	1.50	10 - 41000

Variation of log fractional abundance (relative to H₂) with log time (years) in a dark cloud model. Ref. RATE12 paper.

PH2