4610ex2practicewans

4610ex2practicewans - 1 Explain using molecular orbital...

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1 Explain, using molecular orbital theory terms why the 18 electron rule is so important for organometallic compounds, yet it is not as important for classical “Werner” type complexes. In organometallic chemistry the t2g orbitals actually participate in bonding in the Werner type complexes the t2g orbitals are non bonding. For Werner type complexes the maximum stability is achieved when the a1g, t1u, and eg orbitals are filled. This is a total of 12 electrons. In the organometallic octahedral complexes the t2g also are bonding orbitals and filling them contributes to the stability of the molecule. The maximum stability is achieved when 18 electrons are present.
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2 In the molecular orbital diagram of SF 4 , show which atomic orbitals participate in bonding, which may not participate in bonding and which can mix. Consider only sigma interactions. Use Group Theory. You do not need to draw the MO diagram. (20 points). The symmetry of the SF
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4610ex2practicewans - 1 Explain using molecular orbital...

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