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The versatile coordination chemistry of tricyanoethenolate, [(NC)2C=C(CN)O] |
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| Authors: | Erik J Brandon Glenn P A Yap Arnold L Rheingold Atta Arif Joel S Miller |
| Institution: | a Department of Chemistry, University of Utah, Salt Lake City, UT 84112, USA b Department of Chemistry, University of Delaware, Newark, DE 19716, USA |
| Abstract: | The reaction of meso-tetrakis (4-dimethoxyphenyl) porphinatomanganese(II), MnTPOMeP, with TCNE (TCNE = tetracyanoethylene) leads to the formation of MnTPOMeP]+ TCNE]− and MnTPOMeP]+OC(CN)C(CN)2]−. The single-crystal X-ray structures of the latter as well as Cu(bipy)2Cl]+ OC(CN)C(CN)2]− were determined. The former has a disordered OC(CN)C(CN)2]− bridging via C and O between a pair of MnIII sites, whereas the latter has an isolated OC(CN)C(CN)2]− unbound to CuII. The IR characterization for μ2-C,O bound OC(CN)C(CN)2]− is at 2219m and 2196s (νCN) cm−1 and at 1558s (νCO) cm−1 while for unbound OC(CN)C(CN)2]− it is at 2210m, 2203m, 2181m (νCN) cm−1 and at 1583s (νCO) cm−1. |
| Keywords: | Crystal structures Manganese complexes Tetracyanoethenolate complexes |
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