Four-coordinate complexes of late transition metals with phenanthridine-containing ligands

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dc.contributor.authorKnodel, Amy
dc.contributor.examiningcommitteeSorensen, John (Chemistry)
dc.contributor.examiningcommitteeSchreckenbach, Georg (Chemistry)
dc.contributor.supervisorHerbert, David
dc.date.accessioned2023-11-27T20:20:31Z
dc.date.available2023-11-27T20:20:31Z
dc.date.issued2023-11-22
dc.date.submitted2023-11-22T19:39:45Zen_US
dc.date.submitted2023-11-27T19:31:38Zen_US
dc.degree.disciplineChemistryen_US
dc.degree.levelMaster of Science (M.Sc.)
dc.description.abstractPhenanthridine is the benzannulated version of the more well-known quinoline ligand fragment. Despite its promising electronic features, the inclusion of phenanthridine in ligands for transition metal coordination is currently underexplored. This work investigates the photophysical, spectroscopic, and electrochemical properties of transition metals complexes that contain the phenanthridine fragment in their ligand structure. Specifically, the complexes studied in this work are four-coordinate complexes of late transition metals – their structures range from tetrahedral to square planar, allowing us to examine the change in geometry as ligand structure changes. This document presents two projects. The first is an examination of the relationship between ligand Namido character and emission intensity in Zn(II) complexes. It includes the synthesis of three new Zn(II) complexes, the computational analysis of bonding, and the spectroscopic and computational investigation of the photophysical processes at work. The second project is a characterization of the Ni(II), Pd(II), and Cu(II) complexes of a new tetradentate NNNN diamido ligand. It presents the synthesis of the new ligand and its complexes, as well as the structural, spectroscopic, electrochemical, and computational analysis. Together, these projects demonstrate the versatility of the phenanthridine ligand fragment in coordination with late transition metals.
dc.description.noteFebruary 2024
dc.identifier.urihttp://hdl.handle.net/1993/37816
dc.language.isoeng
dc.rightsopen accessen_US
dc.subjectchemistry
dc.subjectphotophysics
dc.subjectorganometallics
dc.subjectligand design
dc.subjectluminescence
dc.subjectemission
dc.subjectabsorption
dc.subjectcrystal structure
dc.subjectintraligand charge transfer
dc.subjectILCT
dc.subjectsymmetry-breaking charge transfer
dc.subjectSBCT
dc.subjectfluorescence
dc.subjectelectrochemistry
dc.subjectdensity functional theory
dc.subjectDFT
dc.subjectTD-DFT
dc.subjectamido
dc.subjectbenzannulation
dc.subjectphenanthridine
dc.subjectcyclic voltammetry
dc.subjectcoordination compounds
dc.subjectexcited states
dc.titleFour-coordinate complexes of late transition metals with phenanthridine-containing ligands
dc.typemaster thesisen_US
local.subject.manitobano
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