Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B

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Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B. / Müller, Holger S.P.; Jørgensen, Jes K.; Guillemin, Jean Claude; Lewen, Frank; Schlemmer, Stephan.

I: Journal of Molecular Spectroscopy, Bind 394, 111777, 04.2023.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Müller, HSP, Jørgensen, JK, Guillemin, JC, Lewen, F & Schlemmer, S 2023, 'Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B', Journal of Molecular Spectroscopy, bind 394, 111777. https://doi.org/10.1016/j.jms.2023.111777

APA

Müller, H. S. P., Jørgensen, J. K., Guillemin, J. C., Lewen, F., & Schlemmer, S. (2023). Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B. Journal of Molecular Spectroscopy, 394, [111777]. https://doi.org/10.1016/j.jms.2023.111777

Vancouver

Müller HSP, Jørgensen JK, Guillemin JC, Lewen F, Schlemmer S. Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B. Journal of Molecular Spectroscopy. 2023 apr.;394. 111777. https://doi.org/10.1016/j.jms.2023.111777

Author

Müller, Holger S.P. ; Jørgensen, Jes K. ; Guillemin, Jean Claude ; Lewen, Frank ; Schlemmer, Stephan. / Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B. I: Journal of Molecular Spectroscopy. 2023 ; Bind 394.

Bibtex

@article{f2e1d4d82cfa42dcac0007d5f857f049,
title = "Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B",
abstract = "We prepared a sample of oxirane doubly deuterated at one C atom and studied its rotational spectrum in the laboratory for the first time between 120 GHz and 1094 GHz. Accurate spectroscopic parameters up to eighth order were determined, and the calculated rest frequencies were used to identify c-CD2CH2O tentatively in the interstellar medium in the Atacama Large Millimeter/submillimeter Array Protostellar Interferometric Line Survey (PILS) of the Class 0 protostellar system IRAS 16293-2422. The c-CD2CH2O to c-C2H4O ratio was estimated to be ∼0.054 with Trot=125 K. This value translates to a D-to-H ratio of ∼0.16 per H atom which is higher by a factor of 4.5 than the ∼0.036 per H atom obtained for c-C2H3DO. Such increase in the degree of deuteration referenced to one H atom in multiply deuterated isotopologs compared to their singly deuterated variants have been observed commonly in recent years.",
keywords = "Interstellar molecule, Molecular symmetry, Reduced Hamiltonian, Rotational spectroscopy, Submillimeter spectroscopy",
author = "M{\"u}ller, {Holger S.P.} and J{\o}rgensen, {Jes K.} and Guillemin, {Jean Claude} and Frank Lewen and Stephan Schlemmer",
note = "Publisher Copyright: {\textcopyright} 2023 Elsevier Inc.",
year = "2023",
month = apr,
doi = "10.1016/j.jms.2023.111777",
language = "English",
volume = "394",
journal = "Journal of Molecular Spectroscopy",
issn = "0022-2852",
publisher = "Academic Press",

}

RIS

TY - JOUR

T1 - Rotational spectroscopy of oxirane-2,2-d2, c-CD2CH2O, and its tentative detection toward IRAS 16293-2422 B

AU - Müller, Holger S.P.

AU - Jørgensen, Jes K.

AU - Guillemin, Jean Claude

AU - Lewen, Frank

AU - Schlemmer, Stephan

N1 - Publisher Copyright: © 2023 Elsevier Inc.

PY - 2023/4

Y1 - 2023/4

N2 - We prepared a sample of oxirane doubly deuterated at one C atom and studied its rotational spectrum in the laboratory for the first time between 120 GHz and 1094 GHz. Accurate spectroscopic parameters up to eighth order were determined, and the calculated rest frequencies were used to identify c-CD2CH2O tentatively in the interstellar medium in the Atacama Large Millimeter/submillimeter Array Protostellar Interferometric Line Survey (PILS) of the Class 0 protostellar system IRAS 16293-2422. The c-CD2CH2O to c-C2H4O ratio was estimated to be ∼0.054 with Trot=125 K. This value translates to a D-to-H ratio of ∼0.16 per H atom which is higher by a factor of 4.5 than the ∼0.036 per H atom obtained for c-C2H3DO. Such increase in the degree of deuteration referenced to one H atom in multiply deuterated isotopologs compared to their singly deuterated variants have been observed commonly in recent years.

AB - We prepared a sample of oxirane doubly deuterated at one C atom and studied its rotational spectrum in the laboratory for the first time between 120 GHz and 1094 GHz. Accurate spectroscopic parameters up to eighth order were determined, and the calculated rest frequencies were used to identify c-CD2CH2O tentatively in the interstellar medium in the Atacama Large Millimeter/submillimeter Array Protostellar Interferometric Line Survey (PILS) of the Class 0 protostellar system IRAS 16293-2422. The c-CD2CH2O to c-C2H4O ratio was estimated to be ∼0.054 with Trot=125 K. This value translates to a D-to-H ratio of ∼0.16 per H atom which is higher by a factor of 4.5 than the ∼0.036 per H atom obtained for c-C2H3DO. Such increase in the degree of deuteration referenced to one H atom in multiply deuterated isotopologs compared to their singly deuterated variants have been observed commonly in recent years.

KW - Interstellar molecule

KW - Molecular symmetry

KW - Reduced Hamiltonian

KW - Rotational spectroscopy

KW - Submillimeter spectroscopy

U2 - 10.1016/j.jms.2023.111777

DO - 10.1016/j.jms.2023.111777

M3 - Journal article

AN - SCOPUS:85154548179

VL - 394

JO - Journal of Molecular Spectroscopy

JF - Journal of Molecular Spectroscopy

SN - 0022-2852

M1 - 111777

ER -

ID: 358430539