Acta Cryst. (2013). C69, 947-953 [ doi:10.1107/S0108270113015898 ]
Synopsis: Improved syntheses and electronic characterization of carboxamide-substituted tris(pyrazolyl)borate ligands are reported. Their TlI salts and the CuI carbonyl complexes have been prepared and are compared with alkyl-substituted tris(pyrazolyl)borate ligands.
Formula: [Tl(C33H31BN9O3)], [Tl(C27H43BN9O3)], [Cu(C33H31BN9O3)(CO)]·3C4H8O and [Cu(C27H43BN9O3)(CO)]·0.5C4H8O
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