TPR: Gen Chem passage 25

[Kussemek]

why is the configuration of the coordinate covalent bonds around the iron in heme square planar? I dont get the books description. I may totally be missing something obvious...any thoughts?

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[Mr PluM]

I may totally be missing something obvious...any thoughts?

yeah, your instructooor, isn't that why you pay big mula...oops maybe they own sdn...

 

[hillbelly]

I thought you had to have two pairs of non-bonding e's to have a square planar shape. Good question, since the solution points out that all metal ions have NO non-bonding e's.