{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/84298"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/84298","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Structural and Spectroscopic Models of the [iron-Iron]-Hydrogenase Enzyme","abstract":"The unsaturated character of [1(CO)3(PMe 3)]+ is indicated by its reactivity with CO, which occurs in seconds. The product; [Fe2(S2C2H 4)(mu-CO)(CO)3(PMe3)(dppv)]+ [1(CO)4(PMe3)]+ is highly unstable and could only be observed under a CO atmosphere. The EPR spectrum for [1(CO)4(PMe3)]+ featured a doublet of triplets, coupled to three phosphorus nuclei with two distinct phosphorus hyperfine couplings (A(31P) = 283, 32 and 34 MHz). Based upon the changes in the EPR, upon binding CO the unpaired spin becomes delocalized over both iron centers resulting in two Fe(1.5) metal centers.","abstract_html":"The unsaturated character of [1(CO)3(PMe 3)]+ is indicated by its reactivity with CO, which occurs in seconds. The product; [Fe2(S2C2H 4)(mu-CO)(CO)3(PMe3)(dppv)]+ [1(CO)4(PMe3)]+ is highly unstable and could only be observed under a CO atmosphere. The EPR spectrum for [1(CO)4(PMe3)]+ featured a doublet of triplets, coupled to three phosphorus nuclei with two distinct phosphorus hyperfine couplings (A(31P) = 283, 32 and 34 MHz). Based upon the changes in the EPR, upon binding CO the unpaired spin becomes delocalized over both iron centers resulting in two Fe(1.5) metal centers.","abstract_has_math":false,"creators":["Justice, Aaron"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":["Thomas Rauchfuss"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T22:13:51Z","date_published":"2015-09-25T22:13:51Z","updated_at":"2026-07-22T22:26:22Z","subjects":["Chemistry, Physical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3314961"],"render_values":[{"text":"(MiAaPQ)AAI3314961","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/84298","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Thomas Rauchfuss"]},{"key":"dc:creator","label":"Author","values":["Justice, Aaron"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T22:13:51Z","10000-01-01","2008"]},{"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":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/84298","(MiAaPQ)AAI3314961"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The unsaturated character of [1(CO)3(PMe 3)]+ is indicated by its reactivity with CO, which occurs in seconds. The product; [Fe2(S2C2H 4)(mu-CO)(CO)3(PMe3)(dppv)]+ [1(CO)4(PMe3)]+ is highly unstable and could only be observed under a CO atmosphere. The EPR spectrum for [1(CO)4(PMe3)]+ featured a doublet of triplets, coupled to three phosphorus nuclei with two distinct phosphorus hyperfine couplings (A(31P) = 283, 32 and 34 MHz). Based upon the changes in the EPR, upon binding CO the unpaired spin becomes delocalized over both iron centers resulting in two Fe(1.5) metal centers.","Made available in DSpace on 2015-09-25T22:13:51Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3314961.pdf: 3702670 bytes, checksum: 0918a3125ea8c86986bf9a99a5a504e7 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 85579 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","296 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."]},{"key":"dc:title","label":"Title","values":["Structural and Spectroscopic Models of the [iron-Iron]-Hydrogenase Enzyme"]}]}],"canonical_facts":{"dc:contributor":["Thomas Rauchfuss"],"dc:creator":["Justice, Aaron"],"dc:date":["2015-09-25T22:13:51Z","10000-01-01","2008"],"dc:description":["The unsaturated character of [1(CO)3(PMe 3)]+ is indicated by its reactivity with CO, which occurs in seconds. The product; [Fe2(S2C2H 4)(mu-CO)(CO)3(PMe3)(dppv)]+ [1(CO)4(PMe3)]+ is highly unstable and could only be observed under a CO atmosphere. The EPR spectrum for [1(CO)4(PMe3)]+ featured a doublet of triplets, coupled to three phosphorus nuclei with two distinct phosphorus hyperfine couplings (A(31P) = 283, 32 and 34 MHz). Based upon the changes in the EPR, upon binding CO the unpaired spin becomes delocalized over both iron centers resulting in two Fe(1.5) metal centers.","Made available in DSpace on 2015-09-25T22:13:51Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3314961.pdf: 3702670 bytes, checksum: 0918a3125ea8c86986bf9a99a5a504e7 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 85579 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","296 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."],"dc:identifier":["http://hdl.handle.net/2142/84298","(MiAaPQ)AAI3314961"],"dc:language":["eng"],"dc:subject":["Chemistry, Physical"],"dc:title":["Structural and Spectroscopic Models of the [iron-Iron]-Hydrogenase Enzyme"],"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":"2026-07-22T22:26:22Z"}