Page 37 - Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005)

O R G A N O M E T A L L I C C O M P O U N D S IR-10.2

Table IR-10.3 Names for ligands forming metal–carbon multiple bonds

Ligand formula Systematic name Acceptable alternative name
H C methylidene
2
MeCH ethylidene

H C 2 C ethenylidene vinylidene
H C 2 H C HC prop-2-en-1-ylidene allylidene
H C 2 C C propa-1,2-dien-1-ylidene allenylidene

H C
3
C propan-2-ylidene isopropylidene
H C
3
CH 3
H C C C 2,2-dimethylpropylidene
3
H
CH 3
C cyclopropylidene

C cyclobutylidene

C cyclopenta-2,4-dien-1-ylidene

PhHC phenylmethylidene benzylidene
HC methanylylidene

HC methylidyne
MeC ethylidyne
EtC propylidyne

CH 3
H 3 C C C 2,2-dimethylpropylidyne
CH 3
PhC phenylmethylidyne benzylidyne

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