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Ti 8 C 12 + -Metallo-Carbohedrenes: A New Class of Molecular Clusters?
Abstract
During the course of studying the dehydrogenation reactions of hydrocarbons by titanium atoms, ions, and clusters, an exceptionally stable and abundant cluster which contains 8 titaniums and 12 carbons was discovered. "Titration" reactions with ND 3 reveal the uptake of eight molecules, pointing to the fact that the titanium atoms are at exposed positions of similar coordination. A dodecahedral structure of T h point group symmetry is proposed to account for the unusual stability of this molecular cluster. The Ti 8 C 12 + dodecahedron has 12 pentagonal rings and each of the rings is formed by two titanium and three carbon atoms, where each titanium is bound to three carbons. Based on the model, it is expected that neutral Ti 8 C 12 would be a stable metallo-carbododecahedral molecule and may comprise one member of a new class of molecules, namely metallo-carbohedrenes.
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Kroto, H. W., Allaf, A. W., & Balm, S. P. (1991) · Chemical Reviews · doi:10.1021/cr00006a005 · Cited by 1,088
Cited by
Atoms in carbon cages: the structure and properties of endohedral fullerenes
Bethune, D. S., Johnson, R. D., Salem, J. R., de Vries, M. S., & Yannoni, C. S. (1993) · Nature · doi:10.1038/366123a0 · Cited by 698
Genealogically directed synthesis: Starburst/cascade dendrimers and hyperbranched structures
Tomalia, D. A., & Durst, H. D. (1993) · Topics in Current Chemistry · doi:10.1007/bfb0111285 · Cited by 444
Simons, J. (2008) · The Journal of Physical Chemistry A · doi:10.1021/jp711490b · Cited by 417
Metadata
- Authors
- Guo, B. C., Kerns, K. P., & Castleman, A. W.
- Venue
- Science
- Published
- 1992-03-13
- Volume
- 255
- Issue
- 5050
- Pages
- 1411-1413
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2035660964
- Cited by
- 570
- References
- 1
- FWCI
- 35.17
- Type
- journal article
- Language
- en
- Open access
- closed
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- Guo, B. C., Kerns, K. P., & Castleman, A. W. (1992). Ti 8 C 12 + -Metallo-Carbohedrenes: A New Class of Molecular Clusters? Science. https://doi.org/10.1126/science.255.5050.1411
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
