Gas-phase molecular formation mechanisms of cyanamide (NH2CN) and its tautomer carbodiimide (HNCNH) under Sgr B2(N) astrophysical conditions

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Fig. 2

Density of the reagents detected in Sgr B2(N), as well as that of cyanamide (NH₂CN), carbodiimide (HNCNH), and urea (CH₄N₂O). The density number in cm⁻³ is represented on the vertical axis, and the molecular rotational temperature (T_rot) in K is on the horizontal axis. The bibliography related to each of the species is available in Col. (9) of Table 4.

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