Metal-Metal Bonds (2)
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What is the M-M bond order based on the electron count? Is the geometry staggered or eclipsed? Are multiple bonds shorter?
A

B




C

D



E




F


G


Other N & P ligands (see ligand formulas)
H


I

J

K

L



M

N

O

P

Q

R

S

T

U

V

W

X




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Background:
Stereo:

Cp = η5-C5H5, Cp* = η5-C5(CH3)5,
Ph = -C6H5, Cy = -C6H11,
Me = -CH3, Et = -CH2CH3,
iPr = -CH(CH3)2, tBu = -C(CH3)3,
py = C5H5N,
pcp = PPh2CH2PPh2,
dpa = 2,2'-dipyridylamido,
pip = 2-(phenylimino)piperidinato,
dmba = dimethylbenzamidinato,
dpba = diphenylbenzamidinato,
dmfa = dimethylformamidinato,
dpaa = diphenylacetamidinato,
dmsfa = dimesitylformamidinato,
bipba = bis(2,6-di-isopropylphenyl)-
benzamidinato,
bippc = bis(2,6-di-isopropylphenyl)-
2,6-dimethylpiperidine-
1-carboximidamidato,
bippg = bis(2,6-di-isopropylphenyl)-
1,1-di-isopropylguanidinato,
tipmap = 2,4,6-tri-isopropylphenyl-
mesitylaminopyridinato,
hhpp = 1,3,4,6,7,8-hexahydro-2H-
pyrimido(1,2-a)pyrimidine,
btp = 3,5-bis(trifluoromethyl)pyrazolato,
bmp = 3,5-bis(methyl)pyrazolato

Counter ions might be shown. See references
for ligand formulas and the crystal structures.
Sets in { } count as one problem.

This page created by George Lisensky, Beloit College.
Last modified February 20, 2023.


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