{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/70366"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/70366","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Multinuclear Nuclear Magnetic Resonance Studies of Model Inorganic Systems (Nmr)","abstract":"A variety of techniques are employed to obtain information from molybdenum carbonyl on (gamma)-aluminum, the Group IIIA compounds, Al III and silica hydrolysis. Techniques such as rapid magic-angle sample spinning (MASS) of glass sealed samples are used to investigate the highly air sensitive system molybdenum carbonyl on (gamma)-alumina by carbon-13 NMR spectroscopy. The results obtained suggest the presence of very mobile physisorbed molybdenum hexacarbonyl. The two subcarbonyls molybdenum penta-carbonyl and tri-carbonyl are shown to be the most consistent with the data as products after thermal activation.","abstract_html":"A variety of techniques are employed to obtain information from molybdenum carbonyl on (gamma)-aluminum, the Group IIIA compounds, Al III and silica hydrolysis. Techniques such as rapid magic-angle sample spinning (MASS) of glass sealed samples are used to investigate the highly air sensitive system molybdenum carbonyl on (gamma)-alumina by carbon-13 NMR spectroscopy. The results obtained suggest the presence of very mobile physisorbed molybdenum hexacarbonyl. The two subcarbonyls molybdenum penta-carbonyl and tri-carbonyl are shown to be the most consistent with the data as products after thermal activation.","abstract_has_math":false,"creators":["Thompson, Arthur Robert"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T23:18:57Z","date_published":"2014-12-15T23:18:57Z","updated_at":"2026-07-22T22:26:02Z","subjects":["Chemistry, Physical"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8711893"],"render_values":[{"text":"(UMI)AAI8711893","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/70366","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Thompson, Arthur Robert"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T23:18:57Z","10000-01-01","1987"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Chemistry, Physical"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/70366","(UMI)AAI8711893"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A variety of techniques are employed to obtain information from molybdenum carbonyl on (gamma)-aluminum, the Group IIIA compounds, Al III and silica hydrolysis. Techniques such as rapid magic-angle sample spinning (MASS) of glass sealed samples are used to investigate the highly air sensitive system molybdenum carbonyl on (gamma)-alumina by carbon-13 NMR spectroscopy. The results obtained suggest the presence of very mobile physisorbed molybdenum hexacarbonyl. The two subcarbonyls molybdenum penta-carbonyl and tri-carbonyl are shown to be the most consistent with the data as products after thermal activation.","Solid-state scandium-45, yttrium-89 and lanthanum-139 NMR spectra are obtained of a number of model compounds. The results obtained demonstrate the feasibility of obtaining a variety of NMR parameters for this group of compounds.","Oxygen-17 NMR is extensively employed in both the solid-state and in solution to better understand Al III and silica hydrolysis. The kinetic information possible with oxygen-17 labeling shows that once the tetrahedral core of the Al(,13) cluster is formed these tetrahedral oxygens do not exchange with any others in aqueous solution. These different exchange rates allow selective enrichment in solid materials which enhance the interpretation of the solid-state oxygen-17 NMR data.","Made available in DSpace on 2014-12-15T23:18:57Z (GMT). No. of bitstreams: 1 8711893.pdf: 3187108 bytes, checksum: 824d601807d2fc99f43dbfb89ef81dad (MD5) Previous issue date: 1987","Embargo set by: Seth Robbins for item 70532 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","133 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1987."]},{"key":"dc:title","label":"Title","values":["Multinuclear Nuclear Magnetic Resonance Studies of Model Inorganic Systems (Nmr)"]}]}],"canonical_facts":{"dc:creator":["Thompson, Arthur Robert"],"dc:date":["2014-12-15T23:18:57Z","10000-01-01","1987"],"dc:description":["A variety of techniques are employed to obtain information from molybdenum carbonyl on (gamma)-aluminum, the Group IIIA compounds, Al III and silica hydrolysis. Techniques such as rapid magic-angle sample spinning (MASS) of glass sealed samples are used to investigate the highly air sensitive system molybdenum carbonyl on (gamma)-alumina by carbon-13 NMR spectroscopy. The results obtained suggest the presence of very mobile physisorbed molybdenum hexacarbonyl. The two subcarbonyls molybdenum penta-carbonyl and tri-carbonyl are shown to be the most consistent with the data as products after thermal activation.","Solid-state scandium-45, yttrium-89 and lanthanum-139 NMR spectra are obtained of a number of model compounds. The results obtained demonstrate the feasibility of obtaining a variety of NMR parameters for this group of compounds.","Oxygen-17 NMR is extensively employed in both the solid-state and in solution to better understand Al III and silica hydrolysis. The kinetic information possible with oxygen-17 labeling shows that once the tetrahedral core of the Al(,13) cluster is formed these tetrahedral oxygens do not exchange with any others in aqueous solution. These different exchange rates allow selective enrichment in solid materials which enhance the interpretation of the solid-state oxygen-17 NMR data.","Made available in DSpace on 2014-12-15T23:18:57Z (GMT). No. of bitstreams: 1 8711893.pdf: 3187108 bytes, checksum: 824d601807d2fc99f43dbfb89ef81dad (MD5) Previous issue date: 1987","Embargo set by: Seth Robbins for item 70532 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","133 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1987."],"dc:identifier":["http://hdl.handle.net/2142/70366","(UMI)AAI8711893"],"dc:subject":["Chemistry, Physical"],"dc:title":["Multinuclear Nuclear Magnetic Resonance Studies of Model Inorganic Systems (Nmr)"],"dc:type":["text"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:02Z"}