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A MICROWAVE STUDY OF THREE BROMINE-CONTAINING MOLECULES: CBr2F2, AgBr, and H2 AgBr
Signore, Joshua A.
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https://hdl.handle.net/2142/107614
Description
- Title
- A MICROWAVE STUDY OF THREE BROMINE-CONTAINING MOLECULES: CBr2F2, AgBr, and H2 AgBr
- Author(s)
- Signore, Joshua A.
- Contributor(s)
- Novick, Stewart E.; Cooke, S. A.; Pringle, Wallace C.; Evans, Corey J; Obenchain, Daniel A.; Falls, Christopher
- Issue Date
- 24-Jun-20
- Keyword(s)
- Structure determination
- Abstract
- In preparation for our FTMW study of the complex between hydrogen and silver bromide, H$_{2}$ AgBr, we have investigated the microwave spectra of our source of bromine, dibromodifluoromethane, CBr$_2$F$_{2}$. Previous sources of bromine to produce AgBr proved either too damaging to the instrumentation in the long term (Br$_{2}$), or did not produce enough AgBr to be useful (CHBr$_{3}$). In addition, silver bromide, originally studied by Hoeft, Lovas, Tiemann, and Torring in 1971,\footnote{J. Hoeft, F. J. Lovas, E. Tiemann, T. Torring, Z. Naturforsch. 25a, 35 (1970).} and remeasured by Evans and Gerry in 2000,\footnote{C. J. Evans, M. C. L. Gerry, J. Chem. Phys. 112, 1321 (2000).} was remeasured once more. We plan to produce H$_{2}$ AgBr, using laser ablation of a silver rod within a supersonic expansion of an argon carrier gas containing H$_{2}$ and CBr$_{2}$F$_{2}$. This is part of our ongoing study of hydrogen complexed with metal halides which include H$_{2}$ CuF,\footnote{D. J. Frohman, G. S. Grubbs II, Z. Yu, S. E. Novick, Inorg. Chem. 52, 816 (2013).} H$_{2}$ AgCl,\footnote{G. S. Grubbs II, D. A. Obenchain, H. M. Pickett, S. E. Novick, J. Chem. Phys. 141, 114306 (2014).} and H$_{2}$ AuCl.\footnote{D. A. Obenchain, G. S. Grubbs II, H. M. Pickett, S. E. Novick, J. Chem. Phys. 146, 204302 (2017).} These molecules are “models” of the molecular hydrogen storage in the cavities of metal organic frameworks (MOFs).
- Publisher
- International Symposium on Molecular Spectroscopy
- Type of Resource
- Text
- Language
- English
- Permalink
- http://hdl.handle.net/2142/107614
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