Metal Sandwich Complexes
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Which observed complexes have the expected electron count in each set?
η bonds

A





B




C




D




E





F




G




H




I




J





K





L




M
all 

all 

all 

all 

N





O





P




Q




R






S




T




U




V




W




X





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Cp = η5-C5H5, Cp* = η5-C5(CH3)5,
Ph = -C6H5, Cy = -C6H11,
Me = -CH3, Et = -CH2CH3,
iPr = -CH(CH3)2, tBu = -C(CH3)3,
acac = CH3COCHCOCH3–
Counter ions might be shown. See
original references for the crystal structures.
Sets in { } count as one problem.
This page created by George Lisensky, Beloit College.
Last modified March 1, 2023.


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