ArticleInorganic chemistry2012
Nuclear resonance vibrational spectra of five-coordinate imidazole-ligated iron(II) porphyrinates.
Article in Inorganic chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- What Can Be Learned from Nuclear Resonance Vibrational Spectroscopy: Vibrational Dynamics and Hemes.Chemical reviews · 2017Review
- All high-spin (S = 2) iron(ii) hemes are NOT alike.Dalton transactions (Cambridge, England : 2003) · 2015Article
- Probing heme vibrational anisotropy: an imidazole orientation effect?Inorganic chemistry · 2013Article
- Effects of imidazole deprotonation on vibrational spectra of high-spin iron(II) porphyrinates.Inorganic chemistry · 2013Article
- Vibrational probes and determinants of the S = 0 ⇌ S = 2 spin crossover in five-coordinate [Fe(TPP)(CN)]-.Inorganic chemistry · 2012Article
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9 authors at 4 institutions in 3 countries.
Funding
Abstract
Nuclear resonance vibrational spectra have been obtained for six five-coordinate imidazole-ligated iron(II) porphyrinates, [Fe(Por)(L)] (Por = tetraphenylporphyrinate, octaethylporphyrinate, tetratolylporphyrinate, or protoporphyrinate IX and L = 2-methylimidazole or 1,2-dimethylimidazole). Measurements have been made on both powder and oriented crystal samples. The spectra are dominated by strong signals around 200-300 cm(-1). Although the in-plane and out-of-plane vibrations are seriously overlapped, oriented crystal spectra allow their deconvolution. Thus, oriented crystal experimental data, along with density functional theory (DFT) calculations, enable the assignment of key vibrations in the spectra. Molecular dynamics are also discussed. The nature of the Fe-N(Im) vibrations has been elaborated further than was possible from resonance Raman studies. Our study suggests that the Fe motions are coupled with the porphyrin core and peripheral groups motions. Both peripheral groups and their conformations have significant influence on the vibrational spectra (position and shape).
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