
%0 Journal Article
%A Hawkins, CJ 
%A Horn, E 
%A Martin, J 
%A Palmer, JAL 
%A Snow, MR 
%T Synthesis and Characterization of Binuclear and Trinuclear Cobalt(III) Complexes With Imidazolate Bridges
%J Australian Journal of Chemistry
%D 1986/08/01
%V 39
%N 8
%P 1213-1220
%K 
%R https://doi.org/10.1071/CH9861213
%U https://www.publish.csiro.au/paper/CH9861213 
%X Two cobalt(III) ammine complexes are described which have an imidazolate ( Im ) ligand bridging cobalt(III) centres . Their electronic absorption spectra, 1H, 13C and 59Co n.m.r . spectra, and electrochemical data are presented. One complex is a bis [ pentaamminecobalt (III)] complex, [(H3N)5Co( Im )Co(NH3)5]5+, and the other has two pentaammineimidazolatocobalt (III) units coordinated in the cis arrangement to tetraamminecobalt (III). The crystal structure of cis - [(NH3)4Co{( Im )Co(NH3)5}2]Cl2(S2O6)2(OH).3.5H2O is reported. The crystals in the form of orange needles are monoclinic: Cc, a 20.18(1), b 17.089(9), c 15.395(7) &#506;, &#946; 123.76(4)&#176;, Z 4. The structure was refined to R 0.079. 
