Problem: An excited state of the N2 molecule has the electron configuration (σ 1s2)(σ*1s2)(σ2s2)(σ*2s2)(π2p4)(σ2p1)(π*2p1)Complete the MO diagram for this excited state and compare the bond length in the excited state to that of ground state N2.       

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For the first part of the problem, we’re being asked to complete the molecular orbital (MO) diagram for an excited state of the N2 molecule


The given electron configuration for the excited state N2 is:

1s2)(σ*1s2)(σ2s2)(σ*2s2)(π2p4)(σ2p1)(π*2p1)


From this, we can fill-up the molecular orbital diagram for the excited state N2:


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Problem Details

An excited state of the N2 molecule has the electron configuration 

(σ 1s2)(σ*1s2)(σ2s2)(σ*2s2)(π2p4)(σ2p1)(π*2p1)

Complete the MO diagram for this excited state and compare the bond length in the excited state to that of ground state N2. 

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the MO Theory: Homonuclear Diatomic Molecules concept. You can view video lessons to learn MO Theory: Homonuclear Diatomic Molecules. Or if you need more MO Theory: Homonuclear Diatomic Molecules practice, you can also practice MO Theory: Homonuclear Diatomic Molecules practice problems.

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Based on our data, we think this problem is relevant for Professor Cole & Geng & Lovander's class at IOWA.