Title page for ETD etd-02242005-133322


Type of Document Master's Thesis
Author Sparrow, Christopher Roland
Author's Email Address csparr1@lsu.edu
URN etd-02242005-133322
Title Linear Versus Cyclic Inorganic/Organic Hybrid Oligomeric Molecules
Degree Master of Science (M.S.)
Department Chemistry
Advisory Committee
Advisor Name Title
Andrew Maverick Committee Member
Les Butler Committee Member
Robert Strongin Committee Member
Keywords
  • tetramer
  • acac
Date of Defense 2004-12-08
Availability unrestricted
Abstract
The synthesis of the new aryl bis(β-diketone) ligand m-phenylenebis(acetylacetone) (m-pbaH2) allowed for complexation with copper(II) to form a 4-membered ring Cu4(m-pba)4. An alternate route, via a phospholene adduct, was implemented after difficulties in preparing the ligand via an azo sulfide conversion from m-phenylenediamine. The connection of two m-pba ligands coordinated to a Cu(II) metal ion causes a distortion along the axial position of the metal center. The pore has a diameter of (Cu-----Cu = 14.317 ) when viewing opposite metal centers. An open coordination site along Cu(II) axial position may facilitate host-guest binding interactions. The concave shape of the host may allow for molecules with a spherical shape such as C60 to favorably interact. UV-Vis spectroscopy monitored the host-guest binding interaction of Cu4(m-pba)4 & C60.
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