Related Clusters
A variety of clusters are structurally related to 2-. The tungsten analogue is known. Ta and Nb form related clusters where halides are bridge edges of the Ta6 octahedron vs faces. The resulting formula is 4-.
Sulfido and selenido derivatives are also well studied. 4- has the same number of valence electrons as does 2-.
The Mo-S clusters Mo6S8L6, analogues of the "Chevrel phases", have been prepared by the reaction of sulfide sources with Mo6Cl12 in the presence of donor ligands L.
Read more about this topic: Molybdenum(II) Chloride
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