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 Title: The effect of terminal substitution on the helical carbon structure of fluoro-alkane chains: a pure rotational study of (N = 4, 5,& 6) Author(s): Schwartz, Aaron Z.A. Contributor(s): Cooke, S. A.; Obenchain, Daniel A.; Maturo, Mark P. Subject(s): Small molecules Abstract: Continuing a series of studies to investigate the change in structure of hydrocarbons as the amount of fluorination is increased to varying degrees of substitution, we present a survey on the change in the helical nature of the fluorinated carbon backbone when a $^{-}$CH$_{2}$OH group is substituted for a terminal $^{-}$ CF$_{3}$ group. Spectra for 1H,1H-heptafluorobutan-1-ol, 1H,1H-nonafluoropentan-1-ol, and 1H,1H-undecafluorohexan-1-ol were collected separately using a chirped-pulse FTMW spectrometer in the range of 7-13 GHz. Only one conformation was observed for each molecule. Additional measurements of the 1H,1H-heptafluorobutan-1-ol were completed using a Balle-Flygare cavity instrument. Assignments of the singly-substituted $^{13}$C isotopologues of the 1H,1H-heptafluorobutan-1-ol were also measured. A comparison of both \textit{ab initio} and experimental structures will be presented. Issue Date: 2016-06-22 Publisher: International Symposium on Molecular Spectroscopy Genre: Conference Paper / Presentation Type: Text Language: En URI: http://hdl.handle.net/2142/91071 Rights Information: Copyright 2016 by the authors Date Available in IDEALS: 2017-01-26
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