Metal Sandwich Complexes (2)

Metal Sandwich Complexes (2)

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Which observed complexes have the expected electron count in each set?

η bonds

A

TaCp*(C₇H₇)(CH₃)

all one

Fe(η⁵-Cp)(η¹-Cp)(CO)₂

all one

NiCpPh(PPh₃)

all one

W(C₇H₇)(CF₃)(CO)₂

all one

B

Ru(C₆H₆)PhCl(PPh₃)

all one

Os(C₆H₆)(C₁₁H₈N)Cl

all one

CoCp(C₈H₈)

all one

MnCp(Ph₂C)(CO)₂

all one

C

MoCp*(PMe₃)(CH₃)₂(NO)

all one

MoCp(PPh₃)Br(CH₃)(NO)

all one

MoCp(CH₃CN)₂Cl(NO)⁺

all one

MoCp*(CH₃CN)₃(NO)⁺²

all one

D

TcCp(PPh₃)Br(NO)

all one

TcCp(PPh₃)Ph(NO)

all one

TcCp(PPh₃)(CO)(NO)⁺

all one

TcCp(PPh₃)₂(NO)⁺

all one

E

ReCp(PⁱPr₃)(CH₃)(NO)

all one

ReCp(CO)(CH₃)(NO)

all one

ReCp(CO)(PPh₃)(NO)⁺

all one

ReCp(PPh₃)(NH₃)(NO)PF₆

all one

F

ReCp*H(CH₂CHCH₂)

all one

ReCp*(CO)₂(CH₂CHCH₂)BF₄

all one

WCp(CH₂CHCH₂)I(NO)

all one

IrCp*(CH₂=CH₂)(CH₂CHCH₂)(CF₃SO₃)

all one

G

CrCpCl(NO)₂

all one

Co(C₅H₄CH₃)(NO)^–

all one

MoCp*(PPh₂CH₂CH₂PPh₂)(NO)

all one

Ni(C₆H₃(CH₃)₃)(NO)⁺

all one

H

WCpPh(CO)₃

all one

ReCp*Ph(CO)₂I

all one

Fe(C₅Ph₅)Ph(CO)₂

all one

IrCp*Ph₂(CO)

all one

I

Cr(C₅H₂^tBu₃)(CH₃)(CO)₃

all one

MoCp*(^tBuCH₂)₂(NO)

all one

MoCp*(^tBuCH₂)Ph(NO)

all one

NiCp*(CH₂=CH₂)Ph

all one

J

ReCp(PhCH)(CO)₂

all one

Re(PhCH)(NO)(PPh₃)PF₆

all one

Cr(C₆H₆)(PhCOMe)(CO)₂

all one

FeCp(CO)(PPh₃)(PhCO)

all one

K

TaCp*(PhC)(PMe₃)₂Cl

all one

CrCp(PhC)(CO)₂

all one

ReCp*(PhC)(CO)₂BCl₄

all one

OsCp(PhC)H(PⁱPr₃)PF₆

all one

L

ReCp(CO)₂Br(PhCO)

all one

RuCp(PPh₃)(PhCCOPh)Cl

all one

MnCp(CO)₂(PhCO)NMe₄

all one

RhCp(Ph₂C)(CO)

all one

M

ReCp*(^tBuC)Br₃

all one

RuCp*(^tBuCH₂C)(PPh₃)Cl⁺

all one

MoCp(^tBuCH₂C)HP(OMe)₃BF₄

all one

MoCp(^tBuCH₂C)P(OMe)₃((NC)₂C=C(CN)₂)

all one

N

RuCp(Ph₂C)(PPh₃)Cl

all one

RuCp(Ph₂C)(CO)(PPh₃)PF₆

all one

MnCp(Me₂C)(CO)₂

all one

CrCp(Ph₂C)(NO)(CO)

all one

O

IrCp*(CH₂=CH₂)(NO)BF₄

all one

RhCp(CH₂=CH₂)(PPh₃)

all one

RhCp(CH₂=CH₂)(CHPh=CHPh)

all one

RuCp(CH₂=CH₂)(PⁱPr₂CH₂CH₂PⁱPr₂)BPh₄

all one

P

TiCp*₂(PhC≡CPh)

all one

TiCp₂(CO)(PhC≡CPh)

all one

CoCp*(CH₂=CH₂)₂

all one

{Rh(C₉H₇)(CH₂=CH₂)₂

all one

Ir(C₉H₇)(CH₂=CH₂)₂

all one}

Q

Ni₂Cp₂(HC≡CH)

all one

Co(C₆H₆)(CH₃C≡CCH₃)

all one

ReCp(PhC≡CPh)(CO)₂

all one

W(C₄Ph₄)(PhC≡CPh)₂(CO)

all one

R

{Ru₂Cp*₂(NO)₂

all one

Os₂Cp*₂(NO)₂

all one}

Ru₂Cp*₂Cl₂(NO)₂

all one

Mo₂Cp₂Cl₂(NO)₂

all one

Ir₂Cp*₂I₃(NO)

all one

S

Rh₂Cp*₂(CO)(NO)⁺

all one

Mo₂Cp₂(PCy₂)(NO)₃

all one

Mo₂Cp₂(PPh₂)(NO)₂(CO)₂BF₄

all one

W₂Cp₂H₄(NO)₂

all one

T

Fe₃Cp₃(CO)₃(NO)

all one

Co₃Cp₃(CO)₃

all one

Co₃Cp₃(NO)₂

all one

Mn₃Cp₃(NO)₄

all one

U

V₂Cp₂(CH₂CH₂CH₂CH₂)₂

all one

CoCp(CH₂CH₂CH₂CH₂)(PPh₃)

all one

Ru(C₆Me₆)(CH₂CH₂CH₂CH₂)(PPh₃)

all one

Mo(C₇H₇)(C₆H₅)(CO)₂

all one

V

ReCp(CH₂CH₂CH₂CH₂)(CO)₂

all one

MoCp₂(CH₂CH₂CH₂CH₂)

all one

TaCp*(CH₂CH₂CH₂CH₂)Cl₂

all one

RhCp*(CH₂CHMeCHMeCH₂)(PPh₃)

all one

W

WCp*(PhCH)(NO)(PMe₃)

all one

WCp₂(PhCH)

all one

TaCp₂(PhCH)(PhCH₂)

all one

TaCp*(PhCH)(CH₂=CHCH=CH₂)(PMe₃)

all one

X

WCp(CO)₂(CH₂CH₂CH₂PPh₂)

all one

FeCp(CO)(CH₂CH₂CH₂PPh₂)

all one

RhCp*Br(CH₂CH₂CH₂PMe₂)

all one

RhCp*(CH₃CN)(CH₂CH₂CH₂PⁱPr₂)BPh₄

all one

Y

Co₃Cp₃(PhC)₂

all one

Ru₃Cp₃(PhC)(CO)₃

all one

Fe₃Cp(CH₃C)(CO)₈

all one

Ru₂Cp₂(CO)₄(C≡C)

all one

Z

Ru₄(C₆H₆)(C₆H₈)(CO)₉

all one

MnCp(PMe₃)(NO)₂CoCp

all one

Mn(CO)₅(PhCO)Cr(CO)₃

all one

[VCp*₂Br(NO)][VCp*Br₂(NO)]

all one

ZZ

Ru₃(C≡C)Cp₃(CO)₆(BF₄)

all one

TiCp₂(C₅H₄C≡CC₅H₄)Fe₂Cp₂

all one

Fe₂Cp₂(CO)₃(CH₂)

all one

Fe(C₅H₄PPh₂)₂Pt(CH₃)₄

all one

Display options

Cp = η⁵-C₅H₅, Cp* = η⁵-C₅(CH₃)₅,
Ph = -C₆H₅, Cy = -C₆H₁₁,
Me = -CH₃, Et = -CH₂CH₃,
ⁱPr = -CH(CH₃)₂, ^tBu = -C(CH₃)₃
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.

CO N NO C C=C Cp Cp2 MM MM2 Z

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