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Why can't there be a metal-metal multiple bond in ... ?

by Chemist20
Tags: bonds, metals, multiple, transition
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Jan29-12, 02:05 AM
P: 87
[Re2OCl10] 4-

Each Re has an octahedral geometry basically, with 5 Cl- attached to it. It also has a bridging O, which bridges the two Re together.

O also produces pi donation to each Re, so that there is basically a double bond between Re-O

But still... which can't there be a bond between the Re? there are unpaired electrons which can be paired by making this bond!!!! Can there be metal-ligand and metal-metal multiple bonding in the same molecule?

thank you!
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