Splitting diagram

You will find It revealing to construct a splitting diagram similar to that of Figure 13 20 for the case in which the CIS and trans H—C=C—H coupling con stants are equal Under those circumstances the four line pattern simplifies to a triplet as It should for a proton equally coupled to two vici nal protons... 

Figure 7-8. Orbital splitting diagrams for dP complexes with elongated and compressed octahedra.

C20-0014. Draw crystal field splitting diagrams that show the electron configurations for the following complex ions (a) [Cr (H2 (b) [IrCle] (c) [V (en)3] and (d) [NiCl4] (tetrahedral). 

C20-0073. Draw a crystal field splitting diagram that illustrates the electron transfer reaction of the simple iron redox protein shown in Figure 20-29a. 

For higher spin nuclei, one can construct a splitting diagram. For example, for two spin-1 nuclei ... 

Figure 3.2 An energy-level-splitting diagram (cf. Fig. 1.3) for interaction of orbitals A F

Figure 3.13 The energy-level-splitting diagram (cf. Figs. 1.3 and 3.2) for interaction of filled NBOs l a and l b (with energies ea(L) = < b(L) and interaction element F ab = (f2a F f2b>) to form MO levels e , Eq. (3.48).

The four-electron destabilization rationale The rotation barrier of ethane is sometimes explained in terms of the mnemonic energy-level-splitting diagram shown in Fig. 3.58. The figure purports to depict how two filled MOs of ethane ( and 4>+) evolve perturbatively from two... 

Figure 3.58 The mnemonic energy-level-splitting diagram for the four-electron destabilizing interaction of two occupied non-orthogonal orbitals.

Figure 4.45 A metal-ligand m,—orbital splitting diagram depicting interaction of the metal-atom d NAO and ligand nL NBO to form semi-localized NLMOs of the coordination complex, with splitting energy Aed. = < d/NLMO — fd> (NAO).

Fig. 10.2. Expansion of a portion of the proton NMR spectrum of strychnine (1 inset structure). The full proton spectrum is shown in Fig. 10.1. The resonances for the H22 vinyl proton and the H12 and H23 oxygen-bearing methine and methylene resonances, respectively, are shown. The inset expansion of the H23 methylene protons shows a splitting diagram for this resonance. The larger of the two couplings is the geminal coupling to the other H23 resonance and the smaller coupling is the vicinal coupling to the H22 vinyl proton.

Figure 2.5 Crystal field d-orbital splitting diagrams for common geometries.

Figure 9. Representative X-ray absorption edge data for Cu(I) and Cu(II) complexes in a variety of coordination environments. Also shown (bottom) are ligand field splitting diagrams for these complexes.

The first step consists of drawing a splitting diagram, from which the line spacings can be measured and identical (hence related) splittings can be identified (Figure 5.5). 

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