Everything about Homoleptic totally explained
In
chemistry, a
homoleptic chemical compound is a
metal compound with all
ligands identical. The term uses a homo prefix to indicate that something is the same for all.
Examples
Some compounds with names that suggest that they're homoleptic are in fact heteroleptic, because they've ligands in them which are not featured in the name. For instance
dialkyl magnesium complexes which are found in the
equilibrium which exists in a
solution of a
Grignard reagent in an
ether, have two ether ligands attached to each
magnesium centre.
Another example is a solution of trimethyl aluminium in an ether solvent (such as
THF), similar chemistry should be expected for a triaryl or trialkyl
borane.
Any metal species which has more than one type of ligand is
heteroleptic
It is possible for some ligands such as
DMSO to bind with two or more different coordination modes. It would still be reasonable to consider a complex which has only type of ligand but with different coordination modes to be homoleptic. It is known that
ruthenium can bind to DMSO in more than one way, complexes have been isolated in which more than one type of DMSO binding to the same ruthenium centre.
Further Information
Get more info on 'Homoleptic'.
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