In the schematic drawing below (By L.Osterlund, Solid-state phenomena Vol.162, p 203) different possible formic acid and formate coordination to Ti metal atoms are illustrated. In my case, I'm going to deal with Pb(Lead) atoms. So my question is how can I determine the charge sharing ratio in the "monoatomic bridging with additional bridging" (schematic number: IVb), "eta2 coordination chelating" (schematic number: II), and "monoatomic bridging" (schematic number: IVa).
We know that formic acid has a 1 negative charge, is it reasonable to say that in the monoatomic bridging with additional bridging, each of three Ti atoms will face 1/3 negative (or in my case Pb atoms) charge? or a different approach I have to take to calculate the charge sharing ratio between these three metal atoms?
thankyou for your time
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