{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc2511"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc2511","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Synthesis and characterization of molecules to study the conformational barriers of fluorocarbon chains","abstract":"Fluorocarbons are known to be stiffer than their hydrocarbon analogues, a property that underlines the extensive industrial application of fluorocarbon materials. Although there has been previous studies on the rotational barrier of molecules having fluorocarbon centers, a detailed systematic study is necessary to quantify flurocarbon stiffness. The molecules, Pyrene-(CF2)n-Pyrene, Pyrene-(CF2)n-F, Pyrene-(CH2)n-Pyrene and Pyrene-(CH2)n-H were therefore synthesized to enable the determination of the barrier to rotation of the carbon backbone in fluorocarbons. Conformational studies will be completed with steady-state and time-dependent emission spectroscopy.","abstract_html":"Fluorocarbons are known to be stiffer than their hydrocarbon analogues, a property that underlines the extensive industrial application of fluorocarbon materials. Although there has been previous studies on the rotational barrier of molecules having fluorocarbon centers, a detailed systematic study is necessary to quantify flurocarbon stiffness. The molecules, Pyrene-(CF2)n-Pyrene, Pyrene-(CF2)n-F, Pyrene-(CH2)n-Pyrene and Pyrene-(CH2)n-H were therefore synthesized to enable the determination of the barrier to rotation of the carbon backbone in fluorocarbons. Conformational studies will be completed with steady-state and time-dependent emission spectroscopy.","abstract_has_math":false,"creators":["Niyogi, Sandip"],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Wiedenfeld, David","Schwartz, Martin"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2000,"date_issued":"2000-05","date_published":"2000-05","updated_at":"2026-07-24T05:34:52Z","subjects":["Fluorocarbons","Molecular rotation","hydrocarbon","rotational barrier","emission spectroscopy"],"languages":["English"],"rights":["Public","Copyright","Niyogi, Sandip","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 47186322","untcat: b2300782","https://digital.library.unt.edu/ark:/67531/metadc2511/","ark: ark:/67531/metadc2511"],"render_values":[{"text":"oclc: 47186322","href":null,"code":true},{"text":"untcat: b2300782","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc2511/","href":"https://digital.library.unt.edu/ark:/67531/metadc2511/","code":true},{"text":"ark: ark:/67531/metadc2511","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc2511","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wiedenfeld, David","Schwartz, Martin"]},{"key":"dc:creator","label":"Author","values":["Niyogi, Sandip"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2000-05"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Fluorocarbons","Molecular rotation","hydrocarbon","rotational barrier","emission spectroscopy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Niyogi, Sandip","Copyright is held by the author, unless otherwise noted. 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Conformational studies will be completed with steady-state and time-dependent emission spectroscopy."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Synthesis and characterization of molecules to study the conformational barriers of fluorocarbon chains"]}]}],"canonical_facts":{"dc:contributor":["Wiedenfeld, David","Schwartz, Martin"],"dc:creator":["Niyogi, Sandip"],"dc:date":["2000-05"],"dc:description":["Fluorocarbons are known to be stiffer than their hydrocarbon analogues, a property that underlines the extensive industrial application of fluorocarbon materials. Although there has been previous studies on the rotational barrier of molecules having fluorocarbon centers, a detailed systematic study is necessary to quantify flurocarbon stiffness. The molecules, Pyrene-(CF2)n-Pyrene, Pyrene-(CF2)n-F, Pyrene-(CH2)n-Pyrene and Pyrene-(CH2)n-H were therefore synthesized to enable the determination of the barrier to rotation of the carbon backbone in fluorocarbons. Conformational studies will be completed with steady-state and time-dependent emission spectroscopy."],"dc:format":["Text"],"dc:identifier":["oclc: 47186322","untcat: b2300782","doi: 10.12794/metadc2511","https://digital.library.unt.edu/ark:/67531/metadc2511/","ark: ark:/67531/metadc2511"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Niyogi, Sandip","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Fluorocarbons","Molecular rotation","hydrocarbon","rotational barrier","emission spectroscopy"],"dc:title":["Synthesis and characterization of molecules to study the conformational barriers of fluorocarbon chains"],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:34:52Z"}