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Show how to calculate the bond order in the molecule. Answer. a) Na, because Na has a lower ionization potential (and a lower electronegativity) than Al. 3.3.4: Assembling a complete MO diagram is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.
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3.2: MO Theory; 4.1: Introduction to Ligand Field Theory and...
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In other words, start from the one frontier MO on each...
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Jun 14, 2023 · MO Diagram for HF. In the last section, we talked about the bonding, non-bonding, and anti-bonding MOs in HF. Now let's put these ideas together to make an MO diagram for HF. We need to know what orbitals we are using. We are only going to consider valence orbitals. H has a 1s orbital. F has a 2s orbital and 3 2p orbitals (x,y,z).
Sep 12, 2022 · Using the MO diagrams shown in Figure \(\PageIndex{11}\), we can add in the electrons and determine the molecular electron configuration and bond order for each of the diatomic molecules. As shown in Table \(\PageIndex{1}\), Be 2 and Ne 2 molecules would have a bond order of 0, and these molecules do not exist.
The following two diagrams are the MO diagrams for the 2nd row diatomic molecules. There are two diagrams because the order of the energy levels is slightly different for O 2 and F 2 than for the rest of the diatomic molecules. Note the changing in the order of the σ and π bonding orbitals from the 2p atomic orbitals. MO Diagram for Li 2 ...
Fill out the valence electrons. Now, fill in the electrons from the bottom up. 2 2 electrons go into the σ2s σ 2s, 2 2 into the σ* 2s σ 2s *, 2 2 into the σ2p σ 2p, 4 4 into the π2p π 2p, and 2 2 into the π* 2p π 2p *. The resulting diagram should look like this. #3. Draw the MO diagram for O+ 2 O 2 +.
2), a MO diagram may show one of the identical bonds to the central atom. For other polyatomic molecules, an MO diagram may show one or more bonds of interest in the molecules, leaving others out for simplicity. Often even for simple molecules, AO and MO levels of inner orbitals and their electrons may be omitted from a diagram for simplicity.
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A MO diagram shows the relative energies of MOs and AOs and indicates which MOs form from overlap of which AOs. For example, Figure: MO Energy Levels (below) shows the MO diagram of the H 2 molecule. A MO lower in energy than the AOs from which it is derived is called a bonding MO. An electron occupying this bonding MO increases the stability ...