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ROTATIONAL SPECTRA OF THE GASOLINE ADDITIVES, METHYL TERTIARY BUTYL ETHER (MTBE), ETHYL TERTIARY BUTYL ETHER (ETBE) AND TERTIARY AMYL METHYL ETHER (TAME)

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dc.creator Suenram, R. D. en_US
dc.creator Pereyra, W. en_US
dc.creator Lovas, F. J. en_US
dc.creator Hight Walker, A. R. en_US
dc.creator Fraser, G. T. en_US
dc.date.accessioned 2007-11-20T17:10:11Z
dc.date.available 2007-11-20T17:10:11Z
dc.date.issued 1995 en_US
dc.identifier 1995-RI-10 en_US
dc.identifier.uri http://hdl.handle.net/1811/29680
dc.description Author Institution: National Institute of Standards and Technology, Gaithersburg, MD 20899.; City College of New York, New York, NY en_US
dc.description.abstract Methyl tertiary butyl ether (MTBE), ethyl tertiary butyl ether (ETBE) and tertiary amyl methyl ether (TAME) are the oxygenated chemicals added to gasoline to reduce emissions. We have undertaken an investigation of these compounds to characterize their rotational spectra for trace-gas analysis. This work was carried out using one of NIST's FTMW Spectrometers, In MTBE, internal rotation splittings of the methyl top were observed $(V_{3} = 498(2) cm^{-1})$, whereas no splittings were observed in ETBE. For ETBE the fully extended conformer was observed and assigned. With TAME it appears that several conformers may be present and efforts are currently being made to assign these conformers. For MTBE and ETBE, sufficient sensitivity was obtained to perform the analysis for all $^{13}C$ and $^{18}O$ species in natural abundance which allows a complete structural analysis for the heavy atom frames. The electric dipole moments were also determined for MTBE and ETBE. Rotational constants for MTBE and ETBE are (in MHz) A = 4382.840(1), B =2732.3925(4), C = 2730.7547(5) and A = 4088.391(1), B = 1561.7700(3), C = 1538.4138(4) respectively. en_US
dc.format.extent 63185 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.title ROTATIONAL SPECTRA OF THE GASOLINE ADDITIVES, METHYL TERTIARY BUTYL ETHER (MTBE), ETHYL TERTIARY BUTYL ETHER (ETBE) AND TERTIARY AMYL METHYL ETHER (TAME) en_US
dc.type article en_US