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Francois Mathey and Alain Sevin. John Wiley &
Sons: Chichester, 1996. ISBN 0 471 95919 7. Paper, $44.95.
This book presents an introduction to the
organometallic chemistry of transition metals. It contains a brief history
of organometallic chemistry, two chapters on fundamental
concepts and main functional groups in organometallic chemistry,
and two chapters on applications in organic synthesis and
homogeneous catalysis. It is meant for undergraduate students
with a strong background in mathematics and physics who
are familiar with concepts of atomic orbitals and frontier
molecular orbitals as well as symmetry and group theory.
The topics covered by the book are logically
arranged. First, different ligands and electron counting methods
used for coordination complexes are introduced, then
theoretical aspects involving molecular orbitals in metal complexes
are presented. This approach is used throughout the book.
The more descriptive part, such as the review of principal
types of reactions in transition metal chemistry, is followed by
a more theoretical one, for instance molecular orbital
approach to oxidative addition and reductive elimination. The
text provides very good descriptions of main functional
groups in organometallic chemistry, including metal carbenes and metalmetal bonds, all supported with analysis of
molecular orbital diagrams. The last two chapters present
applications of transition metal complexes. They include the usage
of zirconium, iron, and chromium compounds in
organic synthesis and examples of homogeneous catalysis in
such processes as hydrogenation, hydroformylation, and
polymerization. The appendix gives concise information on
group theory and molecular orbitals in selected model
complexes. Its section entitled "Structures and Nomenclature in
Complexes" presents different diagrams for metal orbitals depending
on the symmetry of the metal complex.
I find the extensive analysis of molecular orbitals
very useful and unique for this book, especially the evolution
of energies of MO when the geometry of ligand
arrangement changes. Unfortunately, not all the MO diagrams are
clearly related to the text or fully labeled. For instance, the
MO diagram for CO shows only 8 electrons, whereas the
description in the text talks about 10 electrons. The
diagram representing MO correlations during oxidative addition
classifies the orbitals as symmetrical and antisymmetrical
with respect to the plane - which is so badly defined that the
whole point is lost, I am afraid. It would also help to indicate
that in this case, these MOs represent ML4fragments.
There are several more inconsistencies that make it
difficult to follow the authors' ideas. For instance, the
electron count is incorrect in some cases (e.g., pp 125, 128); the
titles of subsections are switched in the part dealing with
triple M=M bonds; the basicity of phosphines is expressed in
terms of the pKa of the phosphine; the bonding in boron
compounds is more than once referred to as
three-electron, three-center; occasionally the charges or subscripts in formulas
are omitted or misplaced (e.g., in two cases on p 124, and
on pp 131, 141, and 155); and the last section of the
Appendix has a title irrelevant to its content. The above list of errors
is not complete.
Nevertheless, I find this book very useful as a
supplemental reading for undergraduates taking advanced
inorganic chemistry or a similar course. It should also be very
helpful in planning or choosing the lecture topics for such a
course. Each chapter has an ample list of literature references,
some as recent as 1996, the year of publication of this book!
This is another strong point of this text, in addition to the
treatment of MO. The size of the book (only 209 pages, soft
cover) makes it user friendly. The brief description of the topics
and many pictorial diagrams should stimulate the interest of
the student first exposed to this topic.
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