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Chemistry International Vol. 22, No. 2 March 2000 Reports from Commissions Commission on Nomenclature of Inorganic Chemistry (II.2) Summary of Minutes of Commission Meeting at IUPAC General Assembly, Berlin, Germany, 9-11 August 1999 Commission II.2 (CNIC) reviewed two documents that had been completed in August of 1998 but were found not ready at that time for forwarding to Pure and Applied Chemistry. There were some questions concerning the use of "ido" and "ato" in the inorganic radical document by Prof. Wim Koppenol. These matters were resolved and Prof. Koppenol will modify the document to remove inconsistencies. The document by Prof. Koppenol concerning the naming of elements 110 and higher was brought into conformance with the one presented to the Commission in August 1998 by Prof. John Corish, Prof. G. J. Leigh, and Dr. Gerd Rosenblatt. The Commission agreed unanimously that, to avoid confusion in the literature and electronic searching, if a name has been used unofficially for an element and that name is not accepted as the official IUPAC name, then it should not be proposed for another element at a future date. The publication date for Red Book II will depend upon how quickly arrangements are concluded with a publisher. A document on muon nomenclature, also by Prof. Koppenol, was revisited and, with minor revisions, was approved to go forward. It will be submitted to Commission V.7 (Radiochemistry and Nuclear Techniques) for comment before proceeding. The organometallic paper by Prof. Albrecht Salzer will be submitted to PAC after IDCNS review. The revision of Red Book I continues under the direction of Prof. Neil Connelly. This revision will include the chapter on ligand abbreviations, errors will be removed, and the nomenclature will be made consistent for all chapters. A separate project was proposed and accepted for this update of Red Book I under the new IUPAC project-managed system. A progress report on computer-assisted nomenclature was presented, and it showed that it is possible to generate a number of unique structures for convex polyhedra. However, it was noted that purely mathematical solutions were unsatisfactory unless parameters were added to eliminate chemically improbable solutions. A joint meeting was held with the Commission on Nomenclature of Organic Chemistry (CNOC) to discuss common areas of concern. Members of both Commissions involved in computer-assisted nomenclature will meet to discuss common goals. At the joint meeting, it was agreed to continue a collaborative effort to produce a book on organometallic nomenclature. CNOC will work on main group elements, and CNIC will work on transition metals (Prof. Salzerís document and metallacycles). Additionally, other chapters will be solicited. These two efforts, computer-assisted nomenclature and organometallic nomenclature, are expected to develop into separate projects under the project-funded system. A metallacyclic paper by Prof. Yohsuke Yamamoto was discussed, and further revisions will be made and circulated to the Commission members before the next meeting. The Commission will meet again in August 2000 in Dublin, Ireland. > Link to Commission James B. Casey Associate Member, IUPAC Commission on Nomenclature of Inorganic Chemistry II.2

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