The chloroderivative Sm(C5H5)2Cl has a dimer structure, which is more accurately expressed as (η5-C5H5)2Sm(µ-Cl)2(η5-C5H5)2.
Cloroderivatul Sm(C5H5)2Cl are o structură de dimer, care este mai clar exprimată astfel: (η5-C5H5)2Sm(µ-Cl)2(η5-C5H5)2.