Acta Cryst. (2013). C69, 968-971 [ doi:10.1107/S0108270113017022 ]
Abstract: The four-coordinate CoII complex, (azido-N)[1,1,',1''-(phenylboranetriyl)tris(3-tert-butyl-1H-imidazol-2-ylidene)]cobalt(II), [Co(C27H38BN6)(N3)], (1), denoted PhB(t-BuIm)3CoN3, was prepared by the reaction of the corresponding chloride complex with NaN3. One-electron oxidation results in the isolation of the five-coordinate CoIII complex, bis(azido-N)[1,1,',1''-(phenylboranetriyl)tris(3-tert-butyl-1H-imidazol-2-ylidene)]cobalt(III), [Co(C27H38BN6)(N3)2], (2), denoted PhB(t-BuIm)3Co(N3)2. Attempts to prepare cobalt nitrides by thermolysis or photolysis of these complexes were unsuccessful.
Formula: [Co(C27H38BN6)(N3)] and [Co(C27H38BN6)(N3)2]
Keywords: crystal structure; scorpionates; tris(carbene)borates.
Structure factor file (CIF format) (338.0 kbytes)
Structure factor file (CIF format) (293.2 kbytes)
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