MÖSSBAUER SPECTROSCOPY OF THE MODEL HEMOGLOBIN COMPOUND DICHELATED PROTOHEMEReport as inadecuate




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Abstract : Mössbauer measurements of dichelated protoheme protoheme-di-3-I-imidazole propylamide have been made from room temperature to 5.4 K. The compound shows a well-resolved quadrupole doublet at room temperature with a line splitting of 1.954 ± 0.014 mm s-1 and an isomer shift of +0.184 ± 0.014 mm s-1 with respect to natural Fe. This well-resolved splitting persists down to 17 K. At 17 K the onset of a hyperfine interaction is evident with both lines broadening by a factor of three with the higher velocity line decreasing in intensity with respect to the lower velocity line.





Author: E. Mielczarek B. Balko R. Berger D. White T. Traylor T. Mincey

Source: https://hal.archives-ouvertes.fr/



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