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SUMMARY:Synthesis, Speciation, and Electronic Structure of Fe(II) Molecular
  Thermometers
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20260217T160000
UID:2026-05-21-11-42-45@natsci.colostate.edu
DTSTAMP:20260521T114245
Description:About the seminar:\n\nThe design of paramagnetic coordination c
 omplexes with temperature-dependent chemical shifts is a major goal in bio
 medicine as it would allow temperature to be measured in vivo by MRI. W
 hile such behavior is well-established in lanthanide complexes on account 
 of their magnetic anisotropy\, transition metal thermometry is still in it
 s nascent stages. Our laboratory reports two Fe(II) complexes that exhibi
 t both exceptional temperature dependence and long-lived nuclear spin cohe
 rence. Naturally\, we wish to identify what magnetostructural effects cau
 se these d-block complexes to behave in a classically f-block manner. T
 o that end\, we deploy a diverse array of experimental techniques to eluci
 date the speciation\, conformation\, electronic structure\, and magnetic p
 roperties of our complexes in solution. Then\, with the help of DFT\, we s
 how how each of these properties fuse together to afford the observed chem
 ical shifts. The end goal of this project is to identify a design principl
 e by which the thermometry capabilities observed in these Fe(II) complexes
  can be engineered into other transition metal complexes and perhaps even 
 enhanced. 4:00 pm
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