{"id":{"repo_id":"lethbridge","oai_identifier":"oai:opus.uleth.ca:10133/5804"},"canonical_url":"https://search.dev.ndltd.org/etd/lethbridge/oai:opus.uleth.ca:10133/5804","repository":{"repo_id":"lethbridge","name":"University of Lethbridge","base_url":"https://opus.uleth.ca/server/oai/request"},"display":{"title":"Lewis-acid behaviour of neutral and cationic fluoridotungsten(V) and (VI) complexes","abstract":"The Lewis-behaviour of WF6 towards pyridine and derivatives thereof has been reinvestigated in detail. The stability of WF6 towards main-group donor ligands has been exploited to develop synthetic routes to numerous complexes of W(NC6F5)F4, [WF5]+, WF5, and [WF4]+ with F– and/or neutral N- and P-donor ligands. The isolation of such species has allowed for fundamental explorations of tungsten-based Lewis acids and weakly coordinating anions, the F–-donating and oxidising characteristics of the transition-metal hexafluorides, and the preparation of robust tungsten(V) complexes derived from thermodynamically unstable WF5. The investigation of structure, bonding, and chemistry in these unique systems was undertaken using a combination of crystallographic, spectroscopic, and computational techniques, exemplifying the structural diversity found in hepta- and octacoordinate tungsten(V) and (VI) complexes.","abstract_html":"The Lewis-behaviour of WF6 towards pyridine and derivatives thereof has been reinvestigated in detail. The stability of WF6 towards main-group donor ligands has been exploited to develop synthetic routes to numerous complexes of W(NC6F5)F4, [WF5]+, WF5, and [WF4]+ with F– and/or neutral N- and P-donor ligands. The isolation of such species has allowed for fundamental explorations of tungsten-based Lewis acids and weakly coordinating anions, the F–-donating and oxidising characteristics of the transition-metal hexafluorides, and the preparation of robust tungsten(V) complexes derived from thermodynamically unstable WF5. The investigation of structure, bonding, and chemistry in these unique systems was undertaken using a combination of crystallographic, spectroscopic, and computational techniques, exemplifying the structural diversity found in hepta- and octacoordinate tungsten(V) and (VI) complexes.","abstract_has_math":false,"creators":["Turnbull, Douglas","University of Lethbridge. Faculty of Arts and Science"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020","date_published":"2020","updated_at":"2026-07-27T20:02:45Z","subjects":["Lewis acids","Fluorine","Tungsten","Cations","Coordination compounds","Ligands","Dissertations, Academic"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/5804"],"render_values":[{"text":"hdl:10133/5804","href":null,"code":true}]}]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2020"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Lewis acids","Fluorine","Tungsten","Cations","Coordination compounds","Ligands","Dissertations, Academic"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10133/5804"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["The Lewis-behaviour of WF6 towards pyridine and derivatives thereof has been reinvestigated in detail. The stability of WF6 towards main-group donor ligands has been exploited to develop synthetic routes to numerous complexes of W(NC6F5)F4, [WF5]+, WF5, and [WF4]+ with F– and/or neutral N- and P-donor ligands. The isolation of such species has allowed for fundamental explorations of tungsten-based Lewis acids and weakly coordinating anions, the F–-donating and oxidising characteristics of the transition-metal hexafluorides, and the preparation of robust tungsten(V) complexes derived from thermodynamically unstable WF5. The investigation of structure, bonding, and chemistry in these unique systems was undertaken using a combination of crystallographic, spectroscopic, and computational techniques, exemplifying the structural diversity found in hepta- and octacoordinate tungsten(V) and (VI) complexes."]},{"key":"dc:title","label":"Title","values":["Lewis-acid behaviour of neutral and cationic fluoridotungsten(V) and (VI) complexes"]}]}],"canonical_facts":{"dc:date.issued":["2020"],"dc:description.other":["The Lewis-behaviour of WF6 towards pyridine and derivatives thereof has been reinvestigated in detail. The stability of WF6 towards main-group donor ligands has been exploited to develop synthetic routes to numerous complexes of W(NC6F5)F4, [WF5]+, WF5, and [WF4]+ with F– and/or neutral N- and P-donor ligands. The isolation of such species has allowed for fundamental explorations of tungsten-based Lewis acids and weakly coordinating anions, the F–-donating and oxidising characteristics of the transition-metal hexafluorides, and the preparation of robust tungsten(V) complexes derived from thermodynamically unstable WF5. The investigation of structure, bonding, and chemistry in these unique systems was undertaken using a combination of crystallographic, spectroscopic, and computational techniques, exemplifying the structural diversity found in hepta- and octacoordinate tungsten(V) and (VI) complexes."],"dc:identifier":["hdl:10133/5804"],"dc:subject":["Lewis acids","Fluorine","Tungsten","Cations","Coordination compounds","Ligands","Dissertations, Academic"],"dc:title":["Lewis-acid behaviour of neutral and cationic fluoridotungsten(V) and (VI) complexes"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:02:45Z"}