Space and laboratory discovery of HC3S+ | Astronomy & Astrophysics (A&A)

Free Access

Table 2.

Theoretical and experimental values for the spectroscopic parameters of HC₃S⁺ (all in MHz).

	HC₃P		HC₃S⁺
Parameter	Calc. ^(a)	Exp. ^(b)	Calc. ^(a)	Scaled ^(c)	Exp. (TMC-1) ^(d)	Exp. (Labo) ^(d)	Exp. (Merged) ^(d)
B_e	2658.238		2736.349
Vib-Rot. Corr.	2.430		1.801
B₀	2655.808	2656.393295(52)	2734.548	2735.150	2735.4630(12)	2735.46310(70)	2735.46311(23)
D × 10³	0.171	0.1810132(39)	0.162	0.171	0.171(9)	0.172(17)	0.1720(29)

Notes. Numbers in parentheses are 1σ uncertainties in units of the last digits.

^(a)

B and D derived from ab initio calculations in this work.

^(b)

Bizzocchi et al. (2001).

^(c)

This work; scaled by the ratio Exp/Calc. of the corresponding parameter for HC₃P species.

^(d)

Experimental rotational and distortion constants derived in this work.

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.