Three new [Fe-N0]10 complexes coordinated with nitrogen chelating ligands have been synthesized and characterized. The new synthesized complexes are dinitrosyl(2-2'-biquinoline )iron(O), dinitrosyl(2,2' -bipyridine 4,4' -dimethyl)iron(O), and dinitrosy 1(2,2'-bipyridine 4,4' -diphenyl)iron(O). Each complex is synthesized utilizing a common starting material, dinitrosyldicarbonyliron(O), (Fe(N0)2(C0)2). Reaction conditions are in an inert atmosphere at ambient temperature and pressure.
The characterizations of these molecules are done with ultraviolet visible spectroscopy, infrared spectroscopy, and single crystal X-ray diffraction. Ultraviolet visible spectroscopy display metal ligand charge transfers between 250-550 nm. Peaks below this are due to intraligand transitions from the chelating ligands. Infrared spectroscopy data reveal that NO stretching frequencies shift to lower wavenumbers when compared to Fe(N0)2(C0)2 due to its better σ-donating abilities of the nitrogen chelating ligands. Single crystal X-ray diffraction data show that all complexes are pseudo tetrahedral in an attracto conformation.
|School:||California State University, Long Beach|
|School Location:||United States -- California|
|Source:||MAI 52/06M(E), Masters Abstracts International|
|Keywords:||Chemistry, Inorganic, Iron complexes, Nitric oxide|
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