Water ice deuteration: a tracer of the chemical history of protostars

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Table 4

List of selected species and binding energies relative to amorphous solid water ice.

Species	E_b (K)

H	400 − 600^a
H₂	400−600^a
C	800^b
N	800^b
O	800^b
CO	1150^c
CO₂	2690^d
O₂	1000^c
O₃	1800^e
N₂	1000^c
CH₄	1300^f
NH₃	1300^f
OH	2820^g
H₂O	5640^g
H₂O₂	5640^g
H₂CO	2050^f
CH₃OH	5530^c

References.

^(a)

Hornekær et al. (2005); Al-Halabi & van Dishoeck (2007);

^(b)

Tielens & Allamandola (1987);

^(c)

Collings et al. (2004);

^(d)

Sandford & Allamandola (1990);

^(e)

Cuppen & Herbst (2007);

^(f)

Garrod & Herbst (2006);

^(g)

Speedy et al. (1996).

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