Chemistry · Organometallic Chemistry
Consider the structural characteristics of metallocenes. For niobocene and titanocene, which of the following statements is correct regarding their stable, isolable molecular structures? A. The structure for niobocene is a hydride-bridged dimer [(η 5 -C 5 H 5 )(η 5 -C 5 H 4 )Nb(H)] 2 . B. The structure for titanocene is a dicyclopentadienyl derivative containing a fulvalene ligand and hydride bridges. C. Niobocene exists as a monomeric 18-electron complex. D. Titanocene exists as a simple monomeric (η 5 -C 5 H 5 ) 2 Ti complex.
- 1A and B✓
- 2C and D
- 3B and C
- 4A and D
Correct answer
A and B
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