The crystal structure of 4,4′-dipyridinium tetracyanooxothiocyanatorhenate(V) |
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Authors: | Walter Purcell Andreas Roodt Stephen S Basson Johann G Loipoldt |
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Institution: | (1) Department of Chemistry, University of the Orange Free State, Bloemfontein, Republic of South Africa |
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Abstract: | Summary The light purple crystals of (4,4 -dipyridinium) ReO(NCS)(CN)4] crystallize in the monoclinic space group P21/m witha=6.615(1),b=16.043(1),c=8.405(1) Å, =93.20(1)°,z=2. The anisotropic refinement of the 1770 observed reflections converged to R=0.041.The ReO(NCS)(CN)4]2– ion has a distorted octahedral geometry. The rhenium atom is displaced by 0.30 Å out of the plane formed by the four carbon atoms towards the terminal oxo ligand. Bond distances: Re=0 =1.67(1), Re–N=2.12(1) and Re–Cav=2.11(1)Å. The thiocyanate ion is nitrogen bonded to the rhenium atom. |
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