T. David Harris Assistant Professor

Research Statement

Our research employs a coordination chemistry approach to develop functional inorganic molecules and materials. Students in the Harris Group receive broad training in synthesis, by designing and preparing molecular complexes and coordination solids, as well as in physical methods, by investigating compounds using techniques such as X-ray crystallography, magnetometry, and spectroscopy. Our current interests lie in three main areas: (1) the design of high-spin transition metal clusters as MRI contrast agents, (2) the stabilization of reactive species and small-molecule catalysis in metal-organic frameworks, and (3) the synthesis of strongly-coupled one-dimensional coordination magnets.

Selected Publications

Eames, E. V.; Harris, T. D.; Betley, T. A. “Modulation of Magnetic Behavior via Ligand-Field Effects in the Trigonal Clusters (PhL)Fe3L*3 (L* = thf, py, PMe2Ph)” Chem. Sci. 2012, 3, 407.

Harris, T. D.; Betley, T. A. “Multi-Site Reactivity: Reduction of Six Equivalents of Nitrite to Give an Fe6(NO)6 Cluster with a Dramatically Expanded Octahedral Core” J. Am. Chem. Soc. 2011, 133, 13852-13855

Feng, X.; Harris, T. D.; Long, J. R. “Influence of Structure on Exchange Strength and Relaxation Barrier in a Series of FeIIReIV(CN)2 Single-Chain Magnets” Chem. Sci. 2011, 2, 1688-1694.

Harris, T. D.; Zhao, Q.; Hernández Sánchez, R.; Betley, T. A. “Expanded Redox Accessibility via Ligand Substitution in an Octahedral Fe6Br6 Cluster” Chem. Commun. 2011, 47, 6344-6346.

Zhao, Q.; Harris, T. D.; Betley, T. A. “[(HL)2Fe6(NCMe)m]n+ (m = 0, 2, 4, 6; n = −1, 0, 2, 3, 4, 6): An Electron-Transfer Series Featuring Octahedral Fe6 Clusters Supported by a Weak-Field Hexaamide Ligand Platform” J. Am. Chem. Soc. 2011, 133, 8293–8306.

Harris, T. D.; Soo, H. S.; Chang, C. J.; Long, J. R. “A Cyano-Bridged FeIIReIV Cluster Incorporating Two High-Magnetic Anisotropy Building Units” Inorg. Chim. Acta 2011, 369, 91-96.

Harris, T. D.; Coulon, C.; Clérac, R.; Long, J. R. “Record Ferromagnetic Exchange Through Cyanide and Elucidation of the Magnetic Phase Diagram for a CuIIReIV Chain Compound” J. Am. Chem. Soc. 2011, 133, 123-130.

Harman, W. H.; Harris, T. D.; Freedman, D. E.; Fong, H.; Chang, A.; Rinehart, J. R.; Ozarowski, A.; Sougrati, M. T.; Grandjean, F.; Long, G. J.; Long, J. R.; Chang, C. J. “Slow Magnetic Relaxation in a Family of Trigonal Pyramidal Iron(II) Pyrrolide Complexes” J. Am. Chem. Soc. 2010, 132, 18115-18126.

Harris, T. D.; Bennett, M. V.; Clérac, R.; Long, J. R. “[ReCl4(CN)2]2–: A High Magnetic Anisotropy Building Unit Giving Rise to the Single-Chain Magnets (DMF)4MReCl4(CN)2 (M = Mn, Fe, Co, Ni)” J. Am. Chem. Soc. 2010, 132, 3980-3988.

Freedman, D. E.; Harman, W. H.; Harris, T. D.; Long, G. J.; Chang, C. J.; Long, J. R. “Slow Magnetic Relaxation in a High-Spin Iron(II) Complex” J. Am. Chem. Soc. 2010, 132, 1224-1225.

Harris, T. D.; Long, J. R. “Linkage Isomerism in a Face-Centered Cubic Cu6Cr8(CN)24 Cluster with an S = 15 Ground State” Chem. Commun. 2007, 1360-1362.

Harris, T. D.; Castellani, M. P.; Rheingold, A. L.; Reiff, W. M.; Yee, G. T. “1,1′-Diethyl-2,2′,3,3′,4,4′,5,5′-Octamethylferrocenium Tetracyanoethylenide, [Fe(C5EtMe4)2]+[TCNE] , A Charge-Transfer Salt Magnetic Solid with a Novel Structural Motif” Inorg. Chim. Acta 2006, 359, 4651-4654.