Detection of six isotopologues of CH3CCCCH in TMC-1 with the QUIJOTE line survey

Open Access

Table 2.

Deuteration fractions of methyl-group-containing molecules in TMC-1 compared to gas-phase chemical model results.

Molecules	TMC-1	Model A ^(a)^(b)	Model B ^(a)^(b)
CH₃CCH/CH₂DCCH	10 ^(c)	15	15
CH₃CCH/CH₃CCD	49 ^(c)	46	46
CH₃C₄H/CH₂DC₄H	24 ^(d)	29	21
CH₃C₄H/CH₃C₄D	54 ^(b)	36.5	55
CH₃CN/CH₂DCN	11 ^(c)	15	15
CH₃C₃N/CH₂DC₃N	22 ^(e)	28	28

Notes.

^(a)

Model A: direct process. Model B: statistical distribution following a scrambling assumption.

^(b)

This work.

^(c)

Cabezas et al. (2021a).

^(d)

Cabezas et al. (2022).

^(e)

Cabezas et al. (2021b).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.