Výsledky vyhledávání - "Helen O. Leung"

Examining the gas-phase homodimers of 3,3,3-trifluoro-1,2-epoxypropane using quantum chemistry and microwave spectroscopy

Autor: Mark D. Marshall, Helen O. Leung, Sérgio R. Domingos, Anna Krin, Melanie Schnell, Nathan A. Seifert, Yunjie Xu, Wolfgang Jäger

Publikováno v: Physical chemistry, chemical physics 24(46), 28495-28505 (2022). doi:10.1039/D2CP04663F

Physical chemistry, chemical physics 24(46), 28495 - 28505 (2022). doi:10.1039/D2CP04663F
Gas phase homodimers of 3,3,3-trifluoro-1,2-epoxypropane (TFO), a molecule which has shown promise as an effective chiral tag for determining the absolute

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f80549dd60e9c36c8cf771be7243b4e0
https://pubmed.ncbi.nlm.nih.gov/36408893

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Straining to Put the Pieces Together: The Molecular Structure of (E)-1-Chloro-1,2-difluoroethylene–Acetylene from Microwave Spectroscopy

Autor: Mark D. Marshall, Eli Mlaver, Helen O. Leung

Publikováno v: The Journal of Physical Chemistry A. 125:6722-6730

The microwave, rotational spectrum between 5.6 and 19.7 GHz of the gas-phase heterodimer formed between acetylene and (E)-1-chloro-1,2-difluoroethylene is obtained using both broadband, chirped-pulse and narrow band, Balle-Flygare Fourier transform m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d203b2db5b7b56e7ffcbfa4301557334
https://doi.org/10.1021/acs.jpca.1c05169

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The microwave spectra and molecular structures of (Z)-1-chloro-3,3,3-trifluoropropene and its gas-phase heterodimer with the argon atom

Autor: Helen O. Leung, Mark D. Marshall, Seohyun Hong, Laboni Hoque

Publikováno v: Journal of Molecular Spectroscopy. 394:111779

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ec2d16c3197571e9311d852d6948085
https://doi.org/10.1016/j.jms.2023.111779

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The Importance of How the Pieces Fit Together: The Microwave Spectrum and Molecular Structure of 2-Chloro-1,1-Difluoroethylene–Acetylene

Autor: Mark D. Marshall, Helen O. Leung

Publikováno v: The Journal of Physical Chemistry A. 124:1382-1389

Fourier transform microwave spectroscopy is used to obtain the rotational spectrum of the gas-phase heterodimer formed between 2-chloro-1,1-difluoroethylene and acetylene between 5.1 and 20.0 GHz. Rotational constants derived from the analysis of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2668252bacbedf22397588c132fce93a
https://doi.org/10.1021/acs.jpca.9b11861

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Assessing the performance of rotational spectroscopy in chiral analysis

Autor: Sérgio R. Domingos, Cristobal Perez, Helen O. Leung, Mark D. Marshall, Melanie Schnell

Publikováno v: Chemical science 11(40), 10863-10870 (2020). doi:10.1039/D0SC03752D
Chemical Science

Chemical science 11(40), 10863 - 10870 (2020). doi:10.1039/D0SC03752D
The capabilities of rotational spectroscopy-based methods as tools to deliver accurate and precise chirality-sensitive information are still breaking ground, but their applica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::385616d88e26ed7ed067520188829da8
https://doi.org/10.1039/d0sc03752d

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