4571-HW1-F2008-answers - Organometallic Chemistry 4571...

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Organometallic Chemistry - 4571ANSWER KEYHomework # 1:Due: Sept 25, 2008 1. (38 pts)Sketch out a structure showing the geometry about the metal center as accurately as possible and clearly show the electron counting for the complexes below. Phosphine ligand abbreviations are defined in your notes (see the phosphine ligand section). a) [Cp2Zr(η3-allyl)]+b) [Pd2(μ-Cl)2(bipy)2]2+(bipy = bipyridine)ZrZr(+4) d02Cp12e- allyl4e-Total: 16e-PdClPdClNNNN2+Pd(+2) d82μ-Cl4e- bipy 4e-Total: 16e- Pd2+(d8) is usually happy at 16e- (although it can weakly coordinate one more ligandc) CpVCl(NMe2)(PMe3) d) ScCl2(β-dikeiminato)(THF) VR2NClPR3V(+3) d2Cp6e- NR24e- Cl2e- PR32e-Total: 16e-NNPhPhRRScClClOSc(+3) d0β-diimin-N24e- 2Cl4e- THF 2e-Total: 10e-e) [Mn(CO)4(η2-C60)](C60is neutral) f) [trans-HOs(CR)Cl(NCCH3)(PR3)2]+C60MnCOCOCOCOMn(-1) d84CO 8e- alkene 2e-Total: 18e-OsHR3PNCCH3PR3CClROs(+6) d2CR36e- H2e- Cl2e- NCCH32e- 2PR34e-Total: 18e-g) [CpRu(CO)2{P(OR)3}]+h) Pd(bipy)(Ph)(Me) (bipy = bipyridine) Ru(RO)3PCOCO

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