Doublet: superhyperfine splitting. IF= ½, so 2(6)(1/2) + 1 =7 Triplet: superhyperfine splitting.IN= 1, so 2(1)(1) + 1 = 3 So, spending most time on F’s, less on N. Nonet: hyperfine splitting. The electron spin resonance (ESR) spectra of niobocene and vanadocene dichlorides were studied on the title compounds prepared as magnetically diluted species in polycrystalline form. ESR Experimental technique 13 2. Doublet: superhyperfine splitting. Triplet: hyperfine splitting. IN= 1, so 2(4)(1) + 1 =9 Pentet: superhyperfine splitting. Ligand superhyperfine splitting in the low pH form of the esr signal of Cu(II)-dog albumin were not resolved. The greater the covalency, the greater is the hyperfine splitting. The greater the covalency, the greater is the hyperfine splitting. If we are dealing with a single crystal, then there is only one EPR line (all molecules have the same orientation), which might be split up by (super)hyperfine … The spin densities in the ligand s and p valence orbitals and the p/s ratios were computed where possible. 19. An impurity ion centre identified as Se− has been produced by irradiation with blue light at − 100°C in AgCl:Se, Cd. The value of 14 × 10 −4 cm −1 and the presence of three peaks for the nitrogen superhyperfine structure of the complex are in accordance with expectations for two N donors per copper(II) ions [52, 53]. Superhyperfine splitting of the EPR spectra in this system was previously observed only at the orientation of the magnetic field B along the symmetry axis of the crystal [3]. These spectral changes were found to be reversible upon lowering the pH. In contrast, the esr spectra of Vu(II)-dog serum albumin complex showed a transition from a low pH form to a high pH form as the pH was increased to 9.5. Spin-spin interaction of electrons 10 1.3. The g and superhyperfine splitting tensors are shown to be consistent with having the odd electron in an antibonding orbital of a 1g symmetry made up largely from the metal d z 2 orbital. interaction) or with the nucleus of a ligand (superhyperfine interaction), is of no concern for the simulation, since they are treated in the same way. The resolved super-hyperfine splitting of anisotropic ESR spectra of both studied compounds was firstly observed. The phenomena of saturation and relaxation 10 1.3.1. IH= 1/2, so 2(4)(1/2) + 1 = 5 So, spending most time on N’s, less on H. Superhyperfine coupling overlapping pentet of pentets. Spin - spin Relaxation 13 1.4. vealed that the superhyperfine splitting of the g, ESR signal of ferrousNO complexes is dependent on the conformation of the protein and thus the interaction of the axial ligands with the heme iron. Spin - lattice Relaxation 12 1.3.3. 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