Nitrosyl(protoporphyrin IX dimethyl ester)iron(II) complexes with nitrogenous bases. The basicity dependence of the NO stretching frequency.

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概要

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• The IR spectra of nitrosyl(protoporphyrin IX dimethyl ester)iron(II) [Fe(ppdme)(NO)] complexes with various nitrogenous bases (B), such as imidazoles, pyridines, cyclic secondary amines, and aliphatic amines, were measured in benzene and 1,2-dichloroethane. The NO stretching frequencies (ν<SUB>NO</SUB>) of these complexes and the equilibrium constants in equilibrium, [Fe(ppdme) (NO)]+B\rightleftharpoons[Fe(ppdme)(NO)B], decreased and increased respectively with an increase in the basicity, p<I>K</I><SUB>a</SUB>(BH<SUP>+</SUP>), of the bases. These results are discussed in relation to the σ- and π-bonding abilities of the bases.

• 公益社団法人 日本化学会の論文

著者

• Yoshimura Tetsuhiko

  The Environmental Science Institute Of Hyogo Prefecture

関連論文

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• Nitrosyl(protoporphyrin IX dimethyl ester)iron(II) complexes with nitrogenous bases. The basicity dependence of the NO stretching frequency.
• Effect of sodium dodecyl sulfate on spectral properties of five- and six-coordinate nitrosyl(protoporphyrin IX dimethyl esterato)iron(II) complexes.
• Substituent effects on the electronic absorption and MCD spectra of five- and six-coordinate nitrosyl(tetraphenylporphyrinato)iron(II) complexes.
• The nitrogen oxide complex of the iron(II) protoporphyrin IX dimethyl ester.
• Equilibria of imidazole derivatives with (protoporphyrin IX dimethyl ester)iron(III) chloride.

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