Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 9 (September 2013)


scorpionates



yp3036 scheme

Acta Cryst. (2013). C69, 968-971    [ doi:10.1107/S0108270113017022 ]

Cobalt azide complexes with a tris(carbene)borate ligand scaffold

J. J. Scepaniak, C. G. Margarit, R. P. Bontchev and J. M. Smith

Abstract: The four-coordinate CoII complex, (azido-[kappa]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-[kappa]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.


hkldisplay filedownload file

Structure factor file (CIF format) (338.0 kbytes)
[ doi:10.1107/S0108270113017022/yp30361sup2.hkl ]
Contains datablock 1


hkldisplay filedownload file

Structure factor file (CIF format) (293.2 kbytes)
[ doi:10.1107/S0108270113017022/yp30362sup3.hkl ]
Contains datablock 2


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