Synthesis and Spectroscopic Characterization of Interstellar Candidate Ethynyl Thiocyanate: HCCSCN
Name
Alonso_2024_ApJ_976_95.pdf
Description
Published version
Size
2.05 MB
Format
Adobe PDF
Checksum (MD5)
1500aa11c928c627e81bc4d3fdd55501
Author(s)
Alonso, Elena R
Insausti, Aran
Kolesniková, Lucie
León, Iker
McGuire, Brett A
Shingledecker, Christopher N
Agúndez, Marcelino
Cernicharo, José
Rivilla, Víctor M
Cabezas, Carlos
Date Issued
November 14, 2024
Journal
The Astrophysical Journal
Publisher
American Astronomical Society
Citation
Elena R. Alonso et al 2024 ApJ 976 95
Version
Final published version
Abstract
This work aims to spectroscopically characterize and provide for the first time direct experimental frequencies of the ground vibrational state and two excited states of the simplest alkynyl thiocyanate (HCCSCN) for astrophysical use. Both microwave (8–16 GHz) and millimeter-wave regions (50–120 GHz) of the spectrum have been measured and analyzed in terms of Watson’s semirigid rotor Hamiltonian. A total of 314 transitions were assigned to the ground state of HCCSCN, and a first set of spectroscopic constants have been accurately determined. Spectral features of the molecule were then searched for in Sgr B2(N), NGC 6334I, G+0.693−0.027, and TMC-1 molecular clouds. Upper limits to the column density are provided.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
Terms of Use
Creative Commons Attribution
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.3847/1538-4357/ad85ce
