How do the Mo-Mo distances in Mo2(O2CCH3)4, K4Mo2Cl8, and Mo2Cl4[P(C4H9)3]4 compare to those in metallic molybdenum...
How do the Mo-Mo distances in Mo2(O2CCH3)4, K4Mo2Cl8, and Mo2Cl4[P(C4H9)3]4 compare to those in metallic molybdenum and with those in compounds that have single Mo-Mo bonds?
Homework Answers
In case of Mo2(O2CCH3)4 , K4Mo2Cl8 and Mo2Cl4[P(C4H9)3]4, all of them are called compounds of molybdenum having quadruple Mo-Mo bond. In case of Mo2(O2CCH3)4 and K4Mo2Cl8 , both the compounds are just differed by the ligands,but their quadruply bonded Mo24+ unit remains intact. The bond length of Mo-Mo in the above compounds are 2.09Å, 2.14Å and 2.13Å for Mo2(O2CCH3)4 , K4Mo2Cl8 and Mo2Cl4[P(C4H9)3]4 respectively.
In case of compounds having Mo-Mo single bond in them, the bond length varies from 3.27 Å to 2.090 Å.
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