Summary
Cobalt(III) and chromium(III) complexes of thiosemicarbazide (Htsc) were prepared and the structure of [Co(Htsc)3]Cl3·3H2O was determined by X-ray crystallography. The structure was solved by direct methods and refined by full matrix least squares to R = 0.035 for 2266 observed reflections. The metal has octahedral geometry with a cis arrangement of Htsc ligands. The [Co(Htsc)3]3+ cations within the unit cell are strongly hydrogen bonded through H2O molecules with the hydrogen bonding nitrogen-oxygen distances between 2.807–2.937 Å.
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Mazhar-ul-Haque, Hussain, M.S. Cobalt(III) and chromium(III) complexes of thiosemicarbazide: the crystal structure of Λ-cis-tris(thiosemicarbazide)cobalt(III) chloride trihydrate. Transition Met Chem 19, 95–98 (1994). https://doi.org/10.1007/BF00166278
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DOI: https://doi.org/10.1007/BF00166278