{"id":8362,"date":"2023-08-17T15:47:42","date_gmt":"2023-08-17T22:47:42","guid":{"rendered":"https:\/\/www.hmc.edu\/chemistry\/?page_id=8362"},"modified":"2024-06-03T14:11:06","modified_gmt":"2024-06-03T21:11:06","slug":"alicia-o-hernandez-castillo-research","status":"publish","type":"page","link":"https:\/\/www.hmc.edu\/chemistry\/faculty-staff\/hernandez-castillo\/alicia-o-hernandez-castillo-research\/","title":{"rendered":"Alicia O. Hernandez-Castillo Investigating Cyclic Diketone Molecules Using Rotational Spectroscopy"},"content":{"rendered":"\n<p><strong>Investigating Cyclic Diketone Molecules Using Rotational Spectroscopy<\/strong><\/p>\n\n\n\n<p>Diketones are a family of compounds extensively investigated. We have acquired the broadband rotational spectrum of these two molecules using both the spectrometer at UC Davis and the one here at HMC. The spectroscopic data has been analyzed with the aid of ab-initio calculations to yield a complete set of molecular parameters. In the process we have been able to gain insight on the structure of the molecules and compare the subtle differences between the structures.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"3468\" height=\"1090\" src=\"https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1.png\" alt=\"\" class=\"wp-image-8747\" srcset=\"https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1.png 3468w, https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1-300x94.png 300w, https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1-1024x322.png 1024w, https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1-768x241.png 768w, https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1-1536x483.png 1536w, https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/06\/Screenshot-2024-06-03-at-2.08.41\u202fPM-1-2048x644.png 2048w\" sizes=\"auto, (max-width: 3468px) 100vw, 3468px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>We are in the process of finishing the analysis of 2-methylcyclopentanone and 2,2-dimethylcyclopentanone where we have recorded spectra in the 26.5-40 GHz frequency region where we can observe <sup>13<\/sup>C in natural abundance. Moreover, we have used these molecules to optimize the HMC CP-FTMW spectrometer to get better signal to noise.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"641\" height=\"482\" src=\"https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/05\/AHC4-1.png\" alt=\"Spectrum of 2-methylcyclopentanone zoomed in to 11.5-12 GHz graph\" class=\"wp-image-8689\" srcset=\"https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/05\/AHC4-1.png 641w, https:\/\/www.hmc.edu\/chemistry\/wp-content\/uploads\/sites\/24\/2024\/05\/AHC4-1-300x226.png 300w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\" \/><figcaption class=\"wp-element-caption\">                                 Spectrum of 2-methylcyclopentanone zoomed in to 11.5-12 GHz. <\/figcaption><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Investigating Cyclic Diketone Molecules Using Rotational Spectroscopy Diketones are a family of compounds extensively investigated. We have acquired the broadband [&hellip;]<\/p>\n","protected":false},"author":51,"featured_media":0,"parent":6229,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8362","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/pages\/8362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/users\/51"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/comments?post=8362"}],"version-history":[{"count":28,"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/pages\/8362\/revisions"}],"predecessor-version":[{"id":8748,"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/pages\/8362\/revisions\/8748"}],"up":[{"embeddable":true,"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/pages\/6229"}],"wp:attachment":[{"href":"https:\/\/www.hmc.edu\/chemistry\/wp-json\/wp\/v2\/media?parent=8362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}