direction where the ligand would attach to a metal for the purposes of this question. a) Use the terms acid/base, nucleophile/electrophile, pi/sigma, donor/acceptor in your description. b) Draw each orbital interacting with a single metal d-orbital. Show the orbital

Biochemistry
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Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
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Chapter1: Biochemistry: An Evolving Science
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1. Use your knowledge of the MO diagrams for the species shown below to describe
each orbital in terms of Lewis acid/base concepts. Orbitals labeled I, II, II, IV, and V
contain 2 electrons and VI contains 0 electrons. The double-sided arrow shows the
direction where the ligand would attach to a metal for the purposes of this question.
a) Use the terms acid/base, nucleophile/electrophile, pi/sigma, donor/acceptor in
your description.
b) Draw each orbital interacting with a single metal d-orbital. Show the orbital
phase combination that would be most associated with any d-electrons of the metal
Lewis acid/base
bonding direction
II
II
IV
V
VI
HO
H,
H
H20
NH,
со
Example: Orbital I
a) sigma base (sigma donor), nucleophile
b)
(Note this is the anti-bonding combination
since the metal electrons of this symmetry
are mostly in the e, orbital.)
Transcribed Image Text:1. Use your knowledge of the MO diagrams for the species shown below to describe each orbital in terms of Lewis acid/base concepts. Orbitals labeled I, II, II, IV, and V contain 2 electrons and VI contains 0 electrons. The double-sided arrow shows the direction where the ligand would attach to a metal for the purposes of this question. a) Use the terms acid/base, nucleophile/electrophile, pi/sigma, donor/acceptor in your description. b) Draw each orbital interacting with a single metal d-orbital. Show the orbital phase combination that would be most associated with any d-electrons of the metal Lewis acid/base bonding direction II II IV V VI HO H, H H20 NH, со Example: Orbital I a) sigma base (sigma donor), nucleophile b) (Note this is the anti-bonding combination since the metal electrons of this symmetry are mostly in the e, orbital.)
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