Parent hydrides organometallic compounds

This applies in particular to the naming of organometallic compounds of elements of groups 13-16 when a choice has to be made between several parent hydrides (Section IR-10.3.4). 

Organometallic compounds of the elements of groups 13-16 are named according to the substitutive system of nomenclature, dealt with in Chapter IR-6. Thus, the name of the parent hydride (formed in accordance with the rules of Section IR-6.2) is modified by a prefix for each substituent replacing a hydrogen atom of the parent hydride. The prefix should be in appropriate substituent form (chloro, methyl, sulfanylidene, etc.) and not in ligand form (chlorido, methanido, sulfido, etc.). 

The parent compound in this family, the rhenocene hydride ReCp2H (83) is a milestone in organometallic chemistry, since it was the first isolated carbonyl-free hydride and the first hydride to be characterized by H NMR in 1958. However, it has a more limited chemistry compared to the other groups 4, 5, and 6 bent metallocenes (see Metallocene Complexes) ... 

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