1. Models of the Bis-Histidine-Ligated Electron-Transferring Cytochromes. Comparative Geometric and Electronic Structure of Low-Spin Ferro- and Ferrihemes
2. The following abbreviations are used in this paper: Porph, a generalized porphyrin dianion; TMP, dianion of meso-tetramesitylporphyrin; TPP, dianion of meso-tetraphenylporphyrin; TTP, dianion of meso-tetratolylporphyrin, TpivPP, dianion of α,α,α,α-tetrakis(o-pivalamidophenyl)porphyrin; TF5PPBr8, dianion of 2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetrakis(pentafluorophenyl)porphyrin; HIm, imidazole; 1-MeIm, 1-methylimidazole; 2-MeHIm, 2-methylimidazole; 4-MeHIm, 4-methylimidazole; 1,2-Me2Im, 1,2-dimethylimidazole; 1-AcIm, 1-acetylimidazole; 1-SiMe3Im, 1-(trimethylsilyl)imidazole; 1-VinylIm, 1-vinylimidazole; 1-BzylIm, 1-benzylimidazole; RIm, generalized imidazole;Py, pyridine; 3-ClPy, 3-chloropyridine; 4-CNPy, 4-cyanopyridine; 3-CNPy, 3-cyanopyridine; 4-MePy, 4-methylpyridine; 4-NMe2Py, 4-(dimethylamino)pyridine; Pip, piperidine; Pyz, pyrazine; Im −, imidazolate; 2-MeIm−, 2-methylimidazolate; Np, porphyrinato nitrogen; Nax, nitrogen of axial ligands; Nim, nitrogen of imidazole ligands; EPR, electron paramagnetic resonance.
3. Molecular stereochemistry and crystal structure of a ‘spin-equilibrium’(S= 1/2, S= 5/2) haemichrome salt: bis-(3-chloropyridine)octaethylporphinatoiron(III) perchlorate
4. Structural characterization of a variable-spin(porphinato)iron(III) complex. Molecular stereochemistry of bis(3-chloropyridine)(octaethylporphinato)iron(III) perchlorate at 98 K (S = 1/2) and 293 K (S = 1/2, S = 5/2)
5. Control of spin state in (porphinato)iron(III) complexes. An axial ligand orientation effect leading to an intermediate-spin complex. Molecular structure and physical characterization of the monoclinic form of bis(3-chloropyridine)(octaethylporphinato)iron(III) perchlorate