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Table 5

List of the input parameters and the values range explored in this work.

Input parameters Values

Physical conditions
nH,ini 103−104−105−106 cm-3
Tg = Td 10−15−20 K
AV 0−1−2−3−4−5−6−7−8−9−10 mag
ζ 3 × 10-17 s-1
ISRF 1 × 108 photons cm-2 s-1
G0 20
Grain surface parameters
ad 0.1−0.2−0.3 μm
Eb(H) 400−500−600 K
Ed/Eb 0.5−0.65−0.8
ds 3.1 Å
Chemical parameters
H2O/p ratio 3 × 10-6−3 × 10-4−3 × 10-2−3

Notes. Bold values mark the values adopted in the reference models (see text).

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