{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/70183"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/70183","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Magnetic Resonance Studies of Molybdenum and Chromium Compounds","abstract":"Electron Paramagnetic Resonance spectra are presented for the Mo(III) ion substituted into three metal hexaurea triiodide hosts. Two of the hosts, vanadium and titanium, hexaurea triiodide are paramagnetic. Spectra typical of a spin 3/2 ion are observed at Q-band frequencies. Some structural information pertaining to the molybdenum hexaurea triiodide and molybdenum hexaurea tribromide ions is also presented. The former is found to be isomorphic with most metal hexaurea compounds while the latter forms a monoclinic cell with a space group C2/c.","abstract_html":"Electron Paramagnetic Resonance spectra are presented for the Mo(III) ion substituted into three metal hexaurea triiodide hosts. Two of the hosts, vanadium and titanium, hexaurea triiodide are paramagnetic. Spectra typical of a spin 3/2 ion are observed at Q-band frequencies. Some structural information pertaining to the molybdenum hexaurea triiodide and molybdenum hexaurea tribromide ions is also presented. The former is found to be isomorphic with most metal hexaurea compounds while the latter forms a monoclinic cell with a space group C2/c.","abstract_has_math":false,"creators":["Gurnick, Mary Kolor"],"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":"2014-12-15T23:17:38Z","date_published":"2014-12-15T23:17:38Z","updated_at":"2026-07-22T22:26:02Z","subjects":["Chemistry, Physical"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8209582"],"render_values":[{"text":"(UMI)AAI8209582","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/70183","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Gurnick, Mary Kolor"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T23:17:38Z","10000-01-01","1982"]},{"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/2142/70183","(UMI)AAI8209582"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Electron Paramagnetic Resonance spectra are presented for the Mo(III) ion substituted into three metal hexaurea triiodide hosts. Two of the hosts, vanadium and titanium, hexaurea triiodide are paramagnetic. Spectra typical of a spin 3/2 ion are observed at Q-band frequencies. Some structural information pertaining to the molybdenum hexaurea triiodide and molybdenum hexaurea tribromide ions is also presented. The former is found to be isomorphic with most metal hexaurea compounds while the latter forms a monoclinic cell with a space group C2/c.","EPR data is also presented for Cr(III) pairs in the aluminum hexaurea triiodide host. Spectra are fit assuming an exchange and dipolar interaction between axial pairs.","In addition, the distribution of DPPH in polystyrene thin films, prepared by a spin-coating technique, was probed with EPR in order to substantiate claims of large energy transfer distances in these films.","Computer programs are presented for the simulation of EPR spectra using the method of eigenfields. The programs are set up to calculate the general problem of one moment or of two interacting moments.","Finally, the NMR of Mo(V) complexes with polyphosphates and ATP is presented and possible geometries of complexes in solution discussed.","Made available in DSpace on 2014-12-15T23:17:38Z (GMT). No. of bitstreams: 1 8209582.pdf: 3447265 bytes, checksum: a65bdaae8b8c1465712d751cf85f6948 (MD5) Previous issue date: 1982","Embargo set by: Seth Robbins for item 70349 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","180 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1982."]},{"key":"dc:title","label":"Title","values":["Magnetic Resonance Studies of Molybdenum and Chromium Compounds"]}]}],"canonical_facts":{"dc:creator":["Gurnick, Mary Kolor"],"dc:date":["2014-12-15T23:17:38Z","10000-01-01","1982"],"dc:description":["Electron Paramagnetic Resonance spectra are presented for the Mo(III) ion substituted into three metal hexaurea triiodide hosts. Two of the hosts, vanadium and titanium, hexaurea triiodide are paramagnetic. Spectra typical of a spin 3/2 ion are observed at Q-band frequencies. Some structural information pertaining to the molybdenum hexaurea triiodide and molybdenum hexaurea tribromide ions is also presented. The former is found to be isomorphic with most metal hexaurea compounds while the latter forms a monoclinic cell with a space group C2/c.","EPR data is also presented for Cr(III) pairs in the aluminum hexaurea triiodide host. Spectra are fit assuming an exchange and dipolar interaction between axial pairs.","In addition, the distribution of DPPH in polystyrene thin films, prepared by a spin-coating technique, was probed with EPR in order to substantiate claims of large energy transfer distances in these films.","Computer programs are presented for the simulation of EPR spectra using the method of eigenfields. The programs are set up to calculate the general problem of one moment or of two interacting moments.","Finally, the NMR of Mo(V) complexes with polyphosphates and ATP is presented and possible geometries of complexes in solution discussed.","Made available in DSpace on 2014-12-15T23:17:38Z (GMT). No. of bitstreams: 1 8209582.pdf: 3447265 bytes, checksum: a65bdaae8b8c1465712d751cf85f6948 (MD5) Previous issue date: 1982","Embargo set by: Seth Robbins for item 70349 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","180 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1982."],"dc:identifier":["http://hdl.handle.net/2142/70183","(UMI)AAI8209582"],"dc:subject":["Chemistry, Physical"],"dc:title":["Magnetic Resonance Studies of Molybdenum and Chromium Compounds"],"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"}