Table 1
Phosphorous containing reactions added to the photochemical reaction scheme.
| Reaction | Reaction coefficients | Ref. |
|---|---|---|
| PH3+O1D → PH2+OH | 4.75 × 10−11 | (1) |
| PH3+OH → PH2+H2O | 2.71 × 10−11 ⋅e−155∕T | (2) |
| PH3+O → PH2+OH | 9.95 × 10−38 | (3) |
| PH3+H → PH2+H2 | 7.22 × 10−11 ⋅e−886∕T | (4) |
| PH3 + Cl → PH2+HCl | 2.36 × 10−10 | (5) |
| PH3+N → PH2+NH | 4.00 × 10−14 | (6) |
| PH3+NH2 → PH2+NH3 | 1.00 × 10−12 ⋅e−928∕T | (7) |
| PH2+H → PH+H2 | 6.20 × 10−11 ⋅e−318∕T | (8) |
| H+PH → P+H2 | 1.50 × 10−10 ⋅e−416∕T | (8) |
| P+PH → P2+H | 5.00 × 10−11 ⋅e−400∕T | (8) |
| PH2+H+M → PH3+M | 3.70 × 10−10 ⋅e−340∕T | (8) |
| PH+H2+M → PH3+M | 3.00 × 10−36 ⋅ N | (8) |
| P+P+M → P2+M | 1.40 × 10−33 ⋅e500∕T ⋅ N | (8) |
| P+H+M → PH+M | 3.40 × 10−33 ⋅e173∕T ⋅ N | (8) |
| P2+P2+M → P4+M | 1.40 × 10−33 ⋅e500∕T ⋅ N | (9) |
| PH3+hv → PH2+H | See table notes | (10) |
Notes. Bi-molecular reaction coefficients are shown in cm3 s−1 and termolecular reactions are in cm6 s−1. The unit of temperature, T, is K and the unit of number density, N, is cm−3. All reactions are valid for temperatures around 298 K. Photolysis cross sections are taken from Chen et al. (1991) between 120 and 230 nm. The quantum yield is assumed to be unity.
References.(1) Nava & Stief (1989); (2) Fritz et al. (1982); (3) Wang et al. (2005); (4) Arthur & Cooper (1997); (5) Iyer et al. (1983); (6) Hamilton & Murrells (1985); (7) Bosco et al. (1983); (8) Kaye & Strobel (1984); (9) rate assumed to be the same as the reaction P+P+M → P2 +M; (10) Chen et al. (1991).
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