Table 1
Rate coefficients available in BASECOL for ortho-H2O-ortho-H2.
| Set | Tmin(K) | Tmax(K) | Transitions | T1 | T2 | T3 | |||
|
|
|||||||||
| (1) | j2 = 1 |
|
STSR | 5 | 1500 | 45 levels | 5% | 10% | 30% |
| (2a) |
|
STSR | 300 | 1500 | 20 levels | 20% | 40% | ||
| (2b) |
|
STSR | 5 | 300 | 20 levels | A2 | A2 | ||
| ∑ j′2 | ER | 5 | 1500 | 45 levels | 5% | 20% | 30% | ||
|
|
|||||||||
| (3) | j2 = 3 |
|
STSR | 5 | 1500 | 5 levels | 30 (100) 10 | ||
| (4) |
|
STSR | 5 | 1500 | 5 levels | A2 | |||
| ∑ j′2 | ER | 5 | 1500 | 5 levels | 30 (100) 10 | ||||
Notes. Summary of the sets of state-to-state rate coefficients (STSR) and effective rate coefficients (ER) available in BASECOL for ortho-H2O-ortho-H2, with the temperature range covered (columns Tmin and Tmax) and the number of levels among which rate coefficients are provided (column Transitions). The columns T1, T2, and T3 give the expected accuracy for the de-excitation transitions among the 10th, 20th and 45th levels, respectively. For some cases, the accuracy is temperature-dependent and labeled X(Y)Z, which mean X% accuracy below a temperature of T = Y Kelvin and Z% accuracy above T = Y Kelvin. When the accuracy is low but involves negligible rate coefficients we adopt the label A2.
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