Pure Appl. Chem.,
Vol. 71, No. 8, pp. 1557-1585, 1999
INORGANIC CHEMISTRY
DIVISION
COMMISSION ON NOMENCLATURE OF INORGANIC CHEMISTRY
Nomenclature of Organometallic Compounds
of the Transition Elements
(IUPAC Recommendations 1999)
A.Salzer
Abstract: Organometallic compounds are defined as containing
at least one metal-carbon bond between an organic molecule, ion, or
radical and a metal. Organometallic nomenclature therefore usually combines
the nomenclature of organic chemisty and that of coordination chemistry.
Provisional rules outlining nomenclature for such compounds are found
both in Nomenclature
of Organic Chemistry,
1979 and in Nomenclature
of Inorganic Chemistry,
1990.
This document describes the nomenclature for organometallic compounds
of the transition elements, that is compounds with metal-carbon single
bonds, metal-carbon multiple bonds as well as complexes with unsaturated
molecules (metal-p-complexes).
Organometallic compounds are considered to be produced by addition
reactions and so they are named on an addition principle. The name therefore
is built around the central metal atom name. Organic ligand names are
derived according to the rules of organic chemistry with appropriate
endings to indicate the different bonding modes. To designate the points
of attachment of ligands in more complicated structures, the h,
k, and m-notations
are used. The final section deals with the abbreviated nomenclature
for metallocenes and their derivatives.
Contents
- Introduction
- Systems of Nomenclature
- 2.1 Binary type nomenclature
- 2.2 Substitutive nomenlcature
- 2.3 Coordination nomenclature
- Coordination Nomenclature
- 3.1 General definitions of coordination chemistry
- 3.2 Oxidation numbers and net charges
- 3.3 Formulae and names for coordination compounds
- Nomenclature for Organometallic Compounds of Transition Metals
- 4.1 Valence-electron-numbers and the 18-valence-electron-rule
- 4.2 Ligand names
- 4.2.1 Ligands coordinating by one metal-carbon single bond
- 4.2.2 Ligands coordinating by several metal-carbon single
bonds
- 4.2.3 Ligands coordinating by metal-carbon multiple bonds
- 4.2.4 Complexes with unsaturated molecules or groups
- 4.3 Metallocene nomenclature
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