{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25338"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25338","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Nuclear magnetic resonance study of the structure of simple molecules adsorbed on metal surfaces: Acetylene on platinum","abstract":"We have used NMR to determine the structure of acetylene (HC~CH) adsorbed at room temperature on small platinum particles by studying the l3c_13c, l3C_1H, and lH_1H dipolar interactions among the nuclei in the adsorbed molecules. We find a model of 77% CCH2 and 23% HCCH to be the only one consistent with all of our data. The C-C bond length of the majority species, CCH2, is determined as 1.44 ± 0.02 A, midway between a single and double bond, suggesting that both carbon atoms bond to the surface.","abstract_html":"We have used NMR to determine the structure of acetylene (HC~CH) adsorbed at room temperature on small platinum particles by studying the l3c_13c, l3C_1H, and lH_1H dipolar interactions among the nuclei in the adsorbed molecules. We find a model of 77% CCH2 and 23% HCCH to be the only one consistent with all of our data. The C-C bond length of the majority species, CCH2, is determined as 1.44 ± 0.02 A, midway between a single and double bond, suggesting that both carbon atoms bond to the surface.","abstract_has_math":false,"creators":["Wang, Po-Kang"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Slichter, C.P."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-06-07T16:48:23Z","date_published":"2011-06-07T16:48:23Z","updated_at":"2026-07-22T22:25:24Z","subjects":["Nuclear magnetic resonance (NMR)","structure of simple molecules","molecules adsorbed on metal surfaces","acetylene","platinum"],"languages":["en"],"rights":["1984 Po-Kang Wang"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["799412"],"render_values":[{"text":"799412","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25338","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Slichter, C.P."]},{"key":"dc:creator","label":"Author","values":["Wang, Po-Kang"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-06-07T16:48:23Z","10000-01-01","1984"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation / Thesis","text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Nuclear magnetic resonance (NMR)","structure of simple molecules","molecules adsorbed on metal surfaces","acetylene","platinum"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1984 Po-Kang Wang"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["799412","http://hdl.handle.net/2142/25338"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["We have used NMR to determine the structure of acetylene (HC~CH) adsorbed at room temperature on small platinum particles by studying the l3c_13c, l3C_1H, and lH_1H dipolar interactions among the nuclei in the adsorbed molecules. We find a model of 77% CCH2 and 23% HCCH to be the only one consistent with all of our data. The C-C bond length of the majority species, CCH2, is determined as 1.44 ± 0.02 A, midway between a single and double bond, suggesting that both carbon atoms bond to the surface.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T16:48:23Z No. of bitstreams: 1 1984_wang_po_kang.pdf: 2888660 bytes, checksum: de8910f7ca550595052b06e0f54e1095 (MD5)","Made available in DSpace on 2011-06-07T16:48:23Z (GMT). No. of bitstreams: 1 1984_wang_po_kang.pdf: 2888660 bytes, checksum: de8910f7ca550595052b06e0f54e1095 (MD5) Previous issue date: 1984","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T16:48:23Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:15:06-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Nuclear magnetic resonance study of the structure of simple molecules adsorbed on metal surfaces: Acetylene on platinum"]}]}],"canonical_facts":{"dc:contributor":["Slichter, C.P."],"dc:creator":["Wang, Po-Kang"],"dc:date":["2011-06-07T16:48:23Z","10000-01-01","1984"],"dc:description":["We have used NMR to determine the structure of acetylene (HC~CH) adsorbed at room temperature on small platinum particles by studying the l3c_13c, l3C_1H, and lH_1H dipolar interactions among the nuclei in the adsorbed molecules. We find a model of 77% CCH2 and 23% HCCH to be the only one consistent with all of our data. The C-C bond length of the majority species, CCH2, is determined as 1.44 ± 0.02 A, midway between a single and double bond, suggesting that both carbon atoms bond to the surface.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T16:48:23Z No. of bitstreams: 1 1984_wang_po_kang.pdf: 2888660 bytes, checksum: de8910f7ca550595052b06e0f54e1095 (MD5)","Made available in DSpace on 2011-06-07T16:48:23Z (GMT). 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