Journal
NATURE CHEMISTRY
Volume 7, Issue 6, Pages 509-513Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NCHEM.2234
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Funding
- National Science Foundation [CHE-1265212, CHE-1057466, CHE-1361178]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1361178] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1265212] Funding Source: National Science Foundation
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Molecular SiO2 and other simple silicon oxides have remained elusive despite the indispensable use of silicon dioxide materials in advanced electronic devices. Owing to the great reactivity of silicon-oxygen double bonds, as well as the low oxidation state of silicon atoms, the chemistry of simple silicon oxides is essentially unknown. We now report that the soluble disilicon compound, L:Si=Si:L (where L: = :C{N(2,6-(Pr2C6H3)-Pr-i)CH}(2)), can be directly oxidized by N2O and O-2 to give the carbene-stabilized Si2O3 and Si2O4 moieties, respectively. The nature of the silicon oxide units in these compounds is probed by spectroscopic methods, complementary computations and single-crystal X-ray diffraction.
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