
%0 Journal Article
%A Dickson, RS 
%A Yawney, DBW 
%T Transition metal complexes of substituted alkynes. II. Pentafluorophenylacetylene complexes of iron and cobalt
%J Australian Journal of Chemistry
%D 1968/01/01
%V 21
%N 1
%P 97-102
%K 
%R https://doi.org/10.1071/CH9680097
%U https://www.publish.csiro.au/paper/CH9680097 
%X Treatment of pentacarbonyliron with pentafluorophenylacetylene has given the stable complex tricarbonyl-2,5-bis(pentafluorophenyl)cyclopentadienoneiron. There is no evidence of the formation of other structural isomers. The complex is also formed from pentafluorophenylaoetylene and nonacarbonyldiiron or dodecacarbonyltriiron. Two alkyne-cobalt complexes have been isolated from the interaction of   octacarbonyldicobalt and pentafluorophenylacetylene. One of these is a bridging alkyne complex of molecular stoicheiometry Co2(CO)6(C6F6CCH); the second is a complex of formula Co3(CO)9(CCH2C6F5). The infrared and nuclear magnetic resonance spectra of the complexes are given, and the probable structures of the compounds are deduced from these spectroscopic properties. 
