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Catalytic Cleavage of the C-H and C-C Bonds of Alkanes by Surface Organometallic Chemistry: An EXAFS and IR Characterization of a Zr-H Catalyst
Abstract
The catalytic cleavage under hydrogen of the C-H and C-C bonds of alkanes with conventional catalysts requires high temperatures. Room-temperature hydrogenolysis of simple alkanes is possible on a well-defined and well-characterized zirconium hydride supported on silica obtained by surface organometallic chemistry. The surface structure resulting from hydrogenolysis of (≡SiO)Zr(Np) 3 (Np, neopentyl) was determined from the extended x-ray absorption fine structure (EXAFS) and 1 H and 29 Si solid-state nuclear magnetic resonance and infrared (IR) spectra. A mechanism for the formation of (≡SiO) 3 Zr-H and (≡SiO) 2 SiH 2 and the resulting low-temperature hydrogenolysis of alkanes is proposed. The mechanism may have implications for the catalytic formation of methane, ethane, and lower alkanes in natural gas.
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Citations
Cited by
SOMC@PMS. Surface Organometallic Chemistry at Periodic Mesoporous Silica
Anwander, R. (2001) · Chemistry of Materials · doi:10.1021/cm0111534 · Cited by 320
Mason, A. H., Motta, A., Das, A., Ma, Q., Bedzyk, M. J., Kratish, Y., & Marks, T. J. (2022) · Nature Communications · doi:10.1038/s41467-022-34707-6 · Cited by 82
Metadata
- Authors
- Corker, J., Lefebvre, F., Lécuyer, C., Dufaud, V., Quignard, F., Choplin, A., Evans, J., & Basset, J.-M.
- Venue
- Science
- Published
- 1996-02-16
- Volume
- 271
- Issue
- 5251
- Pages
- 966-969
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1965877659
- Cited by
- 259
- References
- 0
- FWCI
- 10.17
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Catalytic Cleavage of the C-H and C-C Bonds of Alkanes by Surface Organometallic Chemistry: An EXAFS and IR Characterization of a Zr-H Catalyst. https://app.cochat.ai/papers/10.1126/science.271.5251.966
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- Corker, J., Lefebvre, F., Lécuyer, C., Dufaud, V., Quignard, F., Choplin, A., Evans, J., & Basset, J.-M. (1996). Catalytic Cleavage of the C-H and C-C Bonds of Alkanes by Surface Organometallic Chemistry: An EXAFS and IR Characterization of a Zr-H Catalyst. Science. https://doi.org/10.1126/science.271.5251.966
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