The stepwise four- and six-electron reduction of carbon monoxide to oxyalkylidyne, to carbide and oxide, then to carbide over an Nb-Oxo surface modeled by calix[4]arene1

Journal of the American Chemical Society

Volumn 122, Issue 3, 2000, Pages 538-539

  Caselli, Alessandro ^a   Solari, Euro ^a   Scopelliti, Rosario ^a   Floriani, Carlo ^a  

^a UNIVERSITY OF LAUSANNE   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

CALIXARENE; CARBON MONOXIDE; OXIDE;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; ELECTRON; MODEL;

EID: 0034716336     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja993251k     Document Type: Article

References (41)

1. For metal-oxo surfaces modelled by metalla-calix[4]arenes, see: (a) Floriani, C. Chem. Eur. J. 1999, 5, 19. (b) Giannini, L.; Solari, E.; Dovesi, S.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2784. (c) Giannini, L.; Guillemot, G.; Solari, E.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2797. Giannini, L.; Caselli, A.; Solari, E.; Floriani, C.; Chiesi-Villa, A.; Rizzoli, C.; Re, N.; Sgamellotti, A. J. Am. Chem. Soc. 1997, 119, 9198 & 9709.
2. For metal-oxo surfaces modelled by metalla-calix[4]arenes, see: (a) Floriani, C. Chem. Eur. J. 1999, 5, 19. (b) Giannini, L.; Solari, E.; Dovesi, S.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2784. (c) Giannini, L.; Guillemot, G.; Solari, E.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2797. Giannini, L.; Caselli, A.; Solari, E.; Floriani, C.; Chiesi-Villa, A.; Rizzoli, C.; Re, N.; Sgamellotti, A. J. Am. Chem. Soc. 1997, 119, 9198 & 9709.
3. For metal-oxo surfaces modelled by metalla-calix[4]arenes, see: (a) Floriani, C. Chem. Eur. J. 1999, 5, 19. (b) Giannini, L.; Solari, E.; Dovesi, S.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2784. (c) Giannini, L.; Guillemot, G.; Solari, E.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2797. Giannini, L.; Caselli, A.; Solari, E.; Floriani, C.; Chiesi-Villa, A.; Rizzoli, C.; Re, N.; Sgamellotti, A. J. Am. Chem. Soc. 1997, 119, 9198 & 9709.
4. For metal-oxo surfaces modelled by metalla-calix[4]arenes, see: (a) Floriani, C. Chem. Eur. J. 1999, 5, 19. (b) Giannini, L.; Solari, E.; Dovesi, S.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2784. (c) Giannini, L.; Guillemot, G.; Solari, E.; Floriani, C.; Re, N.; Chiesi-Villa, A.; Rizzoli, C. J. Am. Chem. Soc. 1999, 121, 2797. Giannini, L.; Caselli, A.; Solari, E.; Floriani, C.; Chiesi-Villa, A.; Rizzoli, C.; Re, N.; Sgamellotti, A. J. Am. Chem. Soc. 1997, 119, 9198 & 9709.
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27. -1; crystal dimensions 0.20 x 0.15 x 0.11. For 14 131 observed reflections [1 > 2σ(I)] and 2136 parameters, the conventional R is 0.1179 (wR2 = 0.3589 for 22411 independent reflections). Data were collected on a mar345 Imaging Plate at 143 K.
28. The overall structure and the polynuclear skeleton is given in the Supporting Information.
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40. -1; crystal dimensions 0.33 x 0.27 x 0.20. For 14 902 observed reflections [1 > 2σ(I)] and 1488 parameters, the conventional R is 0.0590 (wR2 = 0.1796 for 20 855 independent reflections). Data were collected on a mar345 Imaging Plate at 143 K.
41. 13CO was used in the reaction sequence].