Undergraduate Honors Thesis Projects
Date of Award
Spring 2025
Document Type
Honors Paper
Degree Name
Chemistry-BS
Department
Chemistry
Advisor
Dr. Dean Johnston
First Committee Member
Dr. Tansey
Second Committee Member
Dr. Solomon
Third Committee Member
Dr. Johnston
Keywords
Molybdenum cluster, Metal cation, Synthesis, Crystal, X-ray, Salt
Subject Categories
Higher Education | Inorganic Chemistry | Organic Chemistry
Abstract
Octahedral Metal Clusters are compounds containing six core metal atoms, eight inner ligands, and six outer ligands. Commonly these metals are heavy metal atoms (Mo, W) with halide or chalcogenide inner and outer ligands. The synthetic chemistry of the octahedral metal-chalcogenide clusters have been previously explored and characterized thoroughly. However, there is significantly less synthetic flexibility for the octahedral metal-halide clusters. Many of the metal-chalcogenide and metal-halide clusters have interesting properties or applications that have begun to be investigated in recent years. These include applications of catalytic activity, photochemical activity, bioimaging, and X-ray contrast. These are of interest to all areas of science, which is why it is important to investigate the metal-halide cluster alternates of the octahedral metal-chalcogenide clusters. It has been proven already that interesting properties are present, which begs the question of what happens with similarly structured clusters. To explore this avenue a two-part investigation was performed. In the first part, salts of the octahedral metal-halide clusters were prepared, specifically mono and di-substituted salts of the metal clusters were be synthesized. Secondly these crystals were heated to induce loss of solvent ligands on the metal cation and promote hydrogen bonding with an outer chloride ligand of the cluster forming a hybrid complex containing chains of alternating cluster and metal cation units. Three salts were synthesized and characterized using analytical techniques such as FTIR, SCXRD, pXRD, and TGA.
Licensing Permission
Copyright, all rights reserved. Fair Use
Recommended Citation
Keenan, Landon e. Mr, "Designing Metal Cations that Crystallize with Metal Halide Clusters to Form Salts as Precursors to New Materials" (2025). Undergraduate Honors Thesis Projects. 193.
https://digitalcommons.otterbein.edu/stu_honor/193
Acknowledgement 1
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Acknowledgement 2
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