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Table 9
Computed bimolecular rate coefficients (cm3 mol−1 s−1) for a range of temperatures of 20–300 K at a constant pressure of 5.92 × 10−4 atm.
| T[K] | Ra5-2 | Ra5-3 | Ra6-1 | Ra8 | Ra60 | Ra4 | Ra16-1 | Ra16-2 | Ra17-1 | Ra17-2 | Ra18 | Ra37-2 | Rb4 | Rb7 | Rb17-1 | Rb17-2 | Rb18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 | 2.29 × 10−10 | 4.36×10−11 | 8.88 × 10−89 | 5.57×10−35 | 3.46 × 10−7 | 1.01 ×10−14 | 2.44×10−15 | 1.01 ×10−12 | 9.65 × 10−61 | 1.07×10−15 | 4.12 × 10−11 | 2.00×10−15 | 1.01 ×10−14 | 1.12×10−28 | 1.99×10−61 | 1.83×10−16 | 4.18×10−11 |
| 30 | 2.47 × 10−10 | 4.30×10−11 | 6.06 × 10−84 | 3.72×10−33 | 1.54 × 10−8 | 1.97 × 10−14 | 1.47 × 10−14 | 2.21 ×10−12 | 9.11 × 10−45 | 6.66 × 10−15 | 4.34 × 10−11 | 1.43 × 10−15 | 1.97×10−14 | 8.82 × 10−28 | 1.88×10−45 | 1.14×10−15 | 4.40×10−11 |
| 40 | 2.56×10−10 | 4.92×10−11 | 2.12 × 10−61 | 4.93 × 10−31 | 2.26 × 10−9 | 2.43 × 10−14 | 3.48 ×10−14 | 3.41 ×10−12 | 9.79 × 10−37 | 1.76×10−14 | 5.19 × 10−11 | 1.40 × 10−15 | 2.43 × 10−14 | 8.97 × 10−27 | 2.02×10−37 | 3.01 × 10−15 | 5.26×10−11 |
| 50 | 2.51 × 10−10 | 3.74×10−11 | 5.60 × 10−48 | 1.15 × 10−28 | 6.48 ×10−10 | 2.56×10−14 | 5.71 ×10−14 | 4.61 ×10−12 | 6.79 × 10−32 | 3.16×10−14 | 6.37×10−11 | 1.32 × 10−15 | 2.56 × 10−14 | 1.17×10−25 | 1.40×10−32 | 5.40×10−15 | 6.47×10−11 |
| 60 | 2.48 × 10−10 | 3.04×10−11 | 4.07 × 10−39 | 1.94×10−26 | 2.12×10−10 | 2.53 × 10−14 | 7.89 ×10−14 | 5.83 ×10−12 | 1.17×10−28 | 4.63 × 10−14 | 3.15 × 10−11 | 7.70×10−14 | 2.53 × 10−14 | 1.91 ×10−24 | 2.42×10−29 | 7.92×10−15 | 3.20×10−11 |
| 70 | 2.44×10−10 | 2.74×10−11 | 7.23 × 10−33 | 1.23×10−24 | 6.75 ×10−11 | 2.43 × 10−14 | 9.90×10−14 | 7.08 ×10−12 | 2.43 × 10−26 | 6.09 × 10−14 | 1.20×10−11 | 1.18 × 10−12 | 2.43 × 10−14 | 3.22 × 10−23 | 5.02×10−27 | 1.04×10−14 | 1.22×10−11 |
| 80 | 2.40 × 10−10 | 2.73 × 10−11 | 2.96 × 10−28 | 3.21 ×10−23 | 2.75 ×10−11 | 2.32×10−14 | 1.17×10−13 | 8.37×10−12 | 1.34 × 10−24 | 7.48 × 10−14 | 5.57×10−12 | 7.95 ×10−12 | 2.32 × 10−14 | 4.23 × 10−22 | 2.77×10−25 | 1.28×10−14 | 5.65×10−12 |
| 90 | 2.37 × 10−10 | 2.80×10−11 | 9.71 × 10−25 | 4.31 ×10−22 | 1.33 × 10−11 | 2.21 × 10−14 | 1.34×10−13 | 9.70×10−12 | 3.05 × 10−23 | 8.81 ×10−14 | 2.95 ×10−12 | 3.08 ×10−11 | 2.21 ×10−14 | 3.84×10−21 | 6.29 ×10−24 | 1.51 ×10−14 | 2.98×10−12 |
| 100 | 2.37 × 10−10 | 2.94×10−11 | 5.39 × 10−22 | 3.54×10−21 | 7.23 ×10−12 | 2.11 × 10−14 | 1.49 × 10−13 | 1.10×10−11 | 3.73 ×10−22 | 1.01 × 10−13 | 1.72 × 10−12 | 8.11 ×10−11 | 2.11 ×10−14 | 2.48×10−20 | 7.69×10−23 | 1.73×10−14 | 1.74 × 10−12 |
| 110 | 2.38 × 10−10 | 3.12×10−11 | 8.14×10−20 | 2.02×10−20 | 4.33 ×10−12 | 2.02 × 10−14 | 1.64×10−13 | 1.14×10−11 | 2.91 × 10−21 | 1.13 × 10−13 | 1.08 × 10−12 | 1.61 × 10−10 | 2.02 × 10−14 | 1.20×10−19 | 6.01 ×10−22 | 1.93×10−14 | 1.09×10−12 |
| 120 | 2.39 × 10−10 | 3.33 ×10−11 | 4.62 × 10−18 | 8.72×10−20 | 2.77×10−12 | 1.94 × 10−14 | 1.77×10−13 | 1.19 × 10−11 | 1.62 × 10−20 | 1.25 × 10−13 | 7.11 ×10−13 | 2.62 × 10−10 | 1.93 × 10−14 | 4.58×10−19 | 3.35 ×10−21 | 2.14×10−14 | 7.17×10−13 |
| 130 | 2.39 × 10−10 | 3.58 ×10−11 | 1.23 × 10−16 | 3.03×10−19 | 1.88 × 10−12 | 1.87 × 10−14 | 1.89 × 10−13 | 1.24 × 10−11 | 6.98 × 10−20 | 1.37 × 10−13 | 4.91 ×10−13 | 3.69 × 10−10 | 1.86×10−14 | 1.45×10−18 | 1.45×10−20 | 2.35 ×10−14 | 4.95×10−13 |
| 140 | 2.39 × 10−10 | 3.86×10−11 | 1.79 × 10−15 | 8.86×10−19 | 1.33 × 10−12 | 1.81 ×10−14 | 2.01 ×10−13 | 1.29 × 10−11 | 2.45 × 10−19 | 1.49 × 10−13 | 3.52×10−13 | 4.75 × 10−10 | 1.80×10−14 | 3.97×10−18 | 5.09 ×10−20 | 2.56×10−14 | 3.55×10−13 |
| 150 | 2.39 × 10−10 | 4.17×10−11 | 1.62×10−14 | 2.26×10−18 | 9.80×10−13 | 1.76×10−14 | 2.13 × 10−13 | 1.35 × 10−11 | 7.33 × 10−19 | 1.60×10−13 | 2.60×10−13 | 5.76 × 10−10 | 1.75 × 10−14 | 9.56×10−18 | 1.52×10−19 | 2.75 ×10−14 | 2.63×10−13 |
| 160 | 2.40 × 10−10 | 4.50×10−11 | 9.93 × 10−14 | 5.15×10−18 | 7.46×10−13 | 1.72×10−14 | 2.24×10−13 | 1.40 × 10−11 | 1.92 × 10−18 | 1.72 × 10−13 | 1.98 × 10−13 | 6.72×10−10 | 1.71 ×10−14 | 2.08×10−17 | 4.00×10−19 | 2.96×10−14 | 2.00×10−13 |
| 170 | 2.40 × 10−10 | 4.86×10−11 | 4.41 × 10−13 | 1.07 × 10−17 | 5.81 ×10−13 | 1.68 × 10−14 | 2.35 ×10−13 | 1.46 × 10−11 | 4.52×10−18 | 1.84×10−13 | 1.55×10−13 | 7.65 ×10−10 | 1.67 × 10−14 | 4.16×10−17 | 9.42×10−19 | 3.18×10−14 | 1.56×10−13 |
| 180 | 2.40 × 10−10 | 5.24×10−11 | 1.50×10−12 | 2.05 × 10−17 | 4.59 ×10−13 | 1.66 × 10−14 | 2.45 ×10−13 | 1.52 × 10−11 | 9.70×10−18 | 1.97×10−13 | 1.23 × 10−13 | 8.58 ×10−10 | 1.64×10−14 | 7.75×10−17 | 2.03 ×10−18 | 3.41 ×10−14 | 1.24×10−13 |
| 190 | 2.40 × 10−10 | 5.65 ×10−11 | 4.07 × 10−12 | 3.69 × 10−17 | 3.43 ×10−13 | 1.63 × 10−14 | 2.56×10−13 | 1.58 × 10−11 | 1.93 × 10−17 | 2.09 × 10−13 | 1.00×10−13 | 8.56×10−10 | 1.62×10−14 | 1.36×10−16 | 4.05 ×10−18 | 3.62×10−14 | 1.01 ×10−13 |
| 200 | 2.38 × 10−10 | 6.09 ×10−11 | 9.14×10−12 | 6.28 × 10−17 | 2.62×10−13 | 1.61 × 10−14 | 2.66×10−13 | 1.64 × 10−11 | 3.60×10−17 | 2.22 × 10−13 | 8.32×10−14 | 8.39 ×10−10 | 1.60×10−14 | 2.26×10−16 | 7.57×10−18 | 3.85 ×10−14 | 8.41 ×10−14 |
| 210 | 2.35 × 10−10 | 6.54×10−11 | 1.75 × 10−11 | 1.02×10−16 | 2.05 ×10−13 | 1.60 × 10−14 | 2.76×10−13 | 1.71 ×10−11 | 6.36×10−17 | 2.36 × 10−13 | 7.01 ×10−14 | 8.25 ×10−10 | 1.58 × 10−14 | 3.59×10−16 | 1.34×10−17 | 4.10×10−14 | 7.09×10−14 |
| 220 | 2.34 × 10−10 | 6.21 ×10−11 | 2.95 × 10−11 | 1.58 × 10−16 | 1.64 × 10−13 | 1.59 × 10−14 | 2.87 × 10−13 | 1.77×10−11 | 1.07 × 10−16 | 2.49 × 10−13 | 6.00×10−14 | 8.14 × 10−10 | 1.56×10−14 | 5.49×10−16 | 2.26×10−17 | 4.34×10−14 | 6.07×10−14 |
| 230 | 2.33 × 10−10 | 5.61 ×10−11 | 4.45 × 10−11 | 2.38 × 10−16 | 1.33 × 10−13 | 1.58 × 10−14 | 2.97 × 10−13 | 1.82 × 10−11 | 1.73 × 10−16 | 2.63 × 10−13 | 5.21 ×10−14 | 8.06×10−10 | 1.55 × 10−14 | 8.11 ×10−16 | 3.66×10−17 | 4.59 ×10−14 | 5.28×10−14 |
| 240 | 2.34 × 10−10 | 5.13 × 10−11 | 6.17 × 10−11 | 3.46 × 10−16 | 1.10×10−13 | 1.57×10−14 | 3.07×10−13 | 1.71 ×10−11 | 2.69 × 10−16 | 2.78 ×10−13 | 4.58 ×10−14 | 8.01 × 10−10 | 1.54 × 10−14 | 1.16×10−15 | 5.70×10−17 | 4.86×10−14 | 4.64×10−14 |
| 250 | 2.35 × 10−10 | 4.74×10−11 | 8.00 × 10−11 | 4.90 × 10−16 | 9.16 × 10−14 | 1.57×10−14 | 3.17×10−13 | 1.62 × 10−11 | 4.05 × 10−16 | 2.93 × 10−13 | 4.08 ×10−14 | 7.98 ×10−10 | 1.54 × 10−14 | 1.62×10−15 | 8.61 ×10−17 | 5.14×10−14 | 4.13×10−14 |
| 260 | 2.37×10−10 | 4.42×10−11 | 9.84 × 10−11 | 6.77 × 10−16 | 7.75 ×10−14 | 1.57×10−14 | 3.27 × 10−13 | 1.54×10−11 | 5.93 × 10−16 | 3.08 × 10−13 | 3.67 × 10−14 | 7.97×10−10 | 1.53 × 10−14 | 2.22×10−15 | 1.26×10−16 | 5.41 ×10−14 | 3.72×10−14 |
| 270 | 2.39 × 10−10 | 4.15 × 10−11 | 1.16×10−10 | 9.14×10−16 | 6.64×10−14 | 1.57×10−14 | 3.37 × 10−13 | 1.48 × 10−11 | 8.46×10−16 | 3.24 × 10−13 | 3.33 ×10−14 | 7.97×10−10 | 1.53 × 10−14 | 2.96×10−15 | 1.81 ×10−16 | 5.71 × 10−14 | 3.37×10−14 |
| 280 | 2.43 × 10−10 | 3.93 ×10−11 | 1.34 × 10−10 | 1.21 × 10−15 | 5.72 × 10−14 | 1.57×10−14 | 3.48 ×10−13 | 1.42 × 10−11 | 1.18 × 10−15 | 3.40 × 10−13 | 3.05 ×10−14 | 8.00×10−10 | 1.52×10−14 | 3.89×10−15 | 2.53 ×10−16 | 6.00×10−14 | 3.09×10−14 |
| 290 | 2.46 × 10−10 | 3.74×10−11 | 1.51 ×10−10 | 1.58 × 10−15 | 4.99 ×10−14 | 1.58 × 10−14 | 3.58 ×10−13 | 1.37×10−11 | 1.61 × 10−15 | 3.57×10−13 | 2.82×10−14 | 8.04×10−10 | 1.52×10−14 | 5.01 ×10−15 | 3.46×10−16 | 6.32×10−14 | 2.86×10−14 |
| 300 | 2.50 × 10−10 | 3.59 ×10−11 | 1.67 × 10−10 | 2.02 × 10−15 | 4.40×10−14 | 1.59 × 10−14 | 3.68 ×10−13 | 1.33 × 10−11 | 2.16 × 10−15 | 3.74×10−13 | 2.62×10−14 | 8.10 × 10−10 | 1.52×10−14 | 6.36×10−15 | 4.66×10−16 | 6.63 ×10−14 | 2.66×10−14 |
Notes. Cyanamide Class A reactions: Ra5(2-3)(•CN + •NH2 → NH2CN), Ra6-1 (•CN + NH3 → NH2 CN + •H), Ra8 (1HNC + •NH2 → NH2 CN + •H), Ra60 (•CN + CH3NH2 → NH2 CN + •CH3). Cyanamide Class B reactions: Ra4 
, Ra16(1-2) (•H2 NC + •N → NH2 CN), Ra17(1-2) (•H2NC +3NH → NH2CN + •H), Ra18 (•H2NC + •NH2 → NH2CN + H2), Ra37-2 (•HNCN + •NH2 → NH2CN + 3NH). Carbodiimide Class A reactions: Rb7 (1HNC + 3NH → HNCNH). Carbodiimide Class B reactions: Rb4 
, Rb17(1-2) (•H2NC + 3NH → HNCNH + •H), Rb18 (•H2NC + •NH2 → HNCNH + H2).
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