{"id":32776,"date":"2020-07-23T14:14:00","date_gmt":"2020-07-23T11:14:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/laser-techniques-and-photochemistry-find-elusive-molecular-building-block\/"},"modified":"2020-07-23T14:14:00","modified_gmt":"2020-07-23T11:14:00","slug":"laser-techniques-and-photochemistry-find-elusive-molecular-building-block","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/laser-techniques-and-photochemistry-find-elusive-molecular-building-block\/","title":{"rendered":"#Laser techniques and photochemistry find elusive molecular building block"},"content":{"rendered":"

“#Laser techniques and photochemistry find elusive molecular building block<\/strong>”<\/p>\n

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\"Laser<\/img>
\n Molecule and scheme courtesy of Cheng Zhu and Ralf I. Kaiser. Credit: Gerd Altmann
\n <\/figcaption><\/figure>\n<\/div>\n<\/div>\n

A key molecular building block in phosphorus chemistry has been elusive, until now. University of Hawai\u02bbi at M\u0101noa researchers have discovered a simple and versatile way to identify the H\u00fcckel aromatic cyclotrip<\/a>hosphazene molecule along with its isomer (which has the same molecular formula, but differs structurally).<\/p>\n

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According to the research team and authors\u2014UH M\u0101noa Department of Chemistry Professor Ralf I. Kaiser, postdoctoral fellow Cheng Zhu, visiting researcher Andr\u00e9 K. Eckhardt, postdoctoral fellow Alexandre Bergantini, postdoctoral fellow Santosh K. Singh, and Professor Peter R. Schreiner from Justus Liebig University Giessen in Germany\u2014the study published in Science<\/a> Advances<\/i> represents fundamental chemistry research on chemical bonding and molecular structure. It highlights the differences and similarities between aromatic inorganic and organic compounds.<\/p>\n

Researchers said dendrimers (repetitively branched molecules) based on the cyclotriphosphazene molecule detected in this study can be used in nanomaterials, biomolecule carriers, chemical sensors, antibacterial agents, reusable catalysts, and medical imaging agents.
\nKey discovery<\/b>
\nKaiser and Zhu outlined that the cyclotriphosphazene molecule and its Dewar-benzene-type isomer were prepared within low temperature matrices of ammonia and phosphine ices exposed to ionizing radiation. Using UH M\u0101noa W.M. Keck Research Laboratory in Astrochemistry’s advanced photoionization, mass spectrometric devices, both species were identified, observed, and analyzed. This cannot be achieved currently with traditional synthetic techniques.
\n“The finding helps to understand the electronic structure and chemical bonding of exotic inorganic molecules and how they relate to their classical organic counterparts,” Zhu said.
\nNext steps<\/b>
\nKaiser and Zhu said they are planning to identify more exotic isomers such as high energy density, hexaatomic prismatic molecules containing phosphorus and nitrogen. Researchers said these have been predicted computationally, but have not yet been detected experimentally.<\/p>\n

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More information:<\/strong>
\n Cheng Zhu et al. The elusive cyclotriphosphazene molecule and its Dewar benzene\u2013type valence isomer (P3N3), Science Advances<\/i> (2020). DOI: 10.1126\/sciadv.aba6934\n <\/div>\n

\n Citation<\/strong>:
\n Laser techniques and photochemistry find elusive molecular building block (2020, July 23)
\n retrieved 23 July 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-07-laser-techniques-photochemistry-elusive-molecular.html<\/p>\n

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no
\n part may be reproduced without the written permission. The content is provided for information purposes only.<\/p><\/div>\n<\/p><\/div>\n

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“#Laser techniques and photochemistry find elusive molecular building block” Molecule and scheme courtesy of Cheng Zhu and Ralf I. Kaiser. Credit: Gerd Altmann A key molecular building block in phosphorus chemistry has been elusive, until now. University of Hawai\u02bbi at M\u0101noa researchers have discovered a simple and versatile way to identify the H\u00fcckel aromatic cyclotriphosphazene…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[12303,42918],"class_list":["post-32776","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-analytical-chemistry-materials-science","tag-laser-techniques-and-photochemistry-find-elusive-molecular-building-block"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/32776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=32776"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/32776\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=32776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=32776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=32776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}