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Table 10

Grid of chemical models.

Model N° ζ (s-1) G° (Draine) T(K) nfinal/preshock (cm-3) Shock

1 1 1 100 104 N
2 1 1 100 105 N
3 1 1 100 106 N
4 10 1 100 104 N
5 10 1 100 105 N
6 10 1 100 106 N
7 1 10 100 104 N
8 1 10 100 105 N
9 1 10 100 106 N
10 10 10 100 104 N
11 1 500 100 104 N
12 500 1 100 104 N
13 5000 1 100 104 N
14 105 1 100 105 N
15 10 1 100 2 × 106 N
16 1 1 100 5 × 106 N
17 1 1 100 2 × 106 N
18 1 1 200 105 N
19 1 1 200 104 N
20 1 1 200 106 N
21 10 1 200 106 N
22 1 10 200 106 N
23 10 1 200 105 N
24 1 10 200 105 N
25 1 1 104 Y
26 10 1 105 Y
27 1 1 105 Y

Notes. Note that we have run each model for two different visual extinctions, 2 and 10 mag as well as for different Phase I times (see text). The cosmic ray ionization rate, the radiation field, the gas temperature, and the gas density of Phase II are listed in Cols. 2–5.

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