Consider the I3- ion. It's linear, and the Lewis structure predicts 2 ingle bonds, using d orbitals to exceed the octet on the central atom, but not the terminal atoms. To analyze it using molecular orbital theory, group orbitals must be used for the terminal I's.
A) Draw the group orbitals for the terminal I's (using only s and p orbitals)
b) Determine all possible combinations of these groups with the atomic orbitals on the central I (5s, 5p or 5d) and identify the molecular orbital produced
c)Draw a molecular orbital energy level diagram without using the d orbitals on the central i (include elctrons, label orbitals)
D.) draw a molecular oribital energy level diagram that does use the d orbitals on the central I (include electrons, label orbitals)
e) determine the bond oder of I-I bond case c and case d
In constructing the MO diagrams, if there is more than one symmetry allowed combination for a given atomic orbital, just use the one where the orbitals are closest in energy
Consider the I3- ion. It's linear, and the Lewis structure predicts 2 ingle bonds, using d orbitals to exceed the octet on the central atom, but not the terminal atoms. To analyze it using molecular orbital theory, group orbitals must be used for the terminal I's.
A) Draw the group orbitals for the terminal I's (using only s and p orbitals)
b) Determine all possible combinations of these groups with the atomic orbitals on the central I (5s, 5p or 5d) and identify the molecular orbital produced
c)Draw a molecular orbital energy level diagram without using the d orbitals on the central i (include elctrons, label orbitals)
D.) draw a molecular oribital energy level diagram that does use the d orbitals on the central I (include electrons, label orbitals)
e) determine the bond oder of I-I bond case c and case d
In constructing the MO diagrams, if there is more than one symmetry allowed combination for a given atomic orbital, just use the one where the orbitals are closest in energy
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