Molecular orbital diagrams metallic bonding

Fig. 3. Schematic molecular orbital diagram for bonding involving ligand 2s and 2p orbitals and metal 3

A representative molecular orbital diagram for an octahedral d-block metal complex ML6 is shown in Figure 1.8. The MOs are classified as bonding (oL and ttL), nonbonding (jtM) and antibonding (o, nl and ). The ground-state electronic configuration of an octahedral complex... 

Figure 1-12. Simplified molecular orbital diagram for the formation of an octahedral ML6 complex in which there are no Tt-bonding interactions between metal and ligand. The labels on the molecular orbitals refer to their symmetries. Notice the central region may be equated to the crystal field splitting of the d orbitals.

Fig. 3 Simplified frontier molecular orbital diagram showing the effect of face-to-face interactions and intermolecular dZ2 orbital overlap. In this example, such interaction leads to a change in the nature of the lowest-energy excited state from tt-tt (ligand-centred or LC) to da -tt (metal-metal bond-to-ligand charge transfer or MMLCT)...

Figure 14. Frontier molecular orbital diagrams of (a) metal-oxo and (b) metal-nitrosyl tt-bonding interactions. [Adapted from (16).]...

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