Chapter 9(c) Covalent Bonding: Orbitals (contd). Figure 9.26: (a) The molecular orbital energy- level diagram for the H 2 molecule. (b) The shapes of.

Chapter 9(c)

Covalent Bonding: Covalent Bonding: Orbitals Orbitals (cont’d)(cont’d)

Figure 9.26: (a) The molecular orbital energy-level diagram for the H2 molecule. (b) The shapes of the molecular orbitals are obtained by squaring the wave functions for MO1 and MO2.

Figure 9.27: Bonding and antibonding molecular orbitals (MOs).

Figure 9.28: A molecular orbital energy-level diagram for the H2 molecule.

Copyright © Houghton Mifflin Company. All rights reserved. 9c–5

Figure 9.29: The molecular orbital energy-level diagram for the H2

- ion.


Figure 9.30: The molecular orbital energy-level diagram for the He2 molecule.


Figure 9.31: The relative sizes of the lithium 1s and 2s atomic orbitals.


Figure 9.32: The molecular orbital energy-level diagram for the Li2 molecule.


Figure 9.33: (a) The three mutually perpendicular 2p orbitals on two adjacent boron atoms. Two pairs of parallel p orbitals can overlap as shown in (b) and (c), and the third

pair can overlap head-on as shown in (d).


Figure 9.34: (a) The two p orbitals on the boron atom that overlap head-on produce two s molecular orbitals, one bonding and one antibonding. (b) Two p orbitals that lie parallel overlap to produce two p molecular orbitals, one

bonding and one antibonding.


Figure 9.35: The expected molecular orbital energy-level diagram resulting from the

combination of the 2p orbitals on two boron atoms.

Figure 9.36: The expected molecular orbital energy-level diagram for the B2 molecule.

Chapter 9(c) Covalent Bonding: Orbitals (contd). Figure 9.26: (a) The molecular orbital energy- level diagram for the H 2 molecule. (b) The shapes of.

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