{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T11:43:25Z","timestamp":1777981405511,"version":"3.51.4"},"reference-count":18,"publisher":"Wiley","issue":"7-8","license":[{"start":{"date-parts":[[2005,4,12]],"date-time":"2005-04-12T00:00:00Z","timestamp":1113264000000},"content-version":"vor","delay-in-days":3938,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Raman Spectroscopy"],"published-print":{"date-parts":[[1994,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Raman spectra of styrene (S), 3\u2010fluorostyrene (3FS), 3\u2010chlorostyrene (3CS) and 3\u2010methylstyrene (3MS) and their complexes in \u03b1\u2010, \u03b2\u2010 and \u03b3\u2010cyclodextrins (\u03b1\u2010, \u03b2\u2010, \u03b3CD) were recorded at various temperatures. The substituted styrene molecules were found to provide good group frequencies, namely, <jats:italic>v<\/jats:italic>C\uf8feC and <jats:italic>v<\/jats:italic>C\uf8ffH, for probing the guest molecules. Generally, the C\uf8feC oscillator is shown to be a good probe for studying conformational equilibria of the guest molecule perturbed by complex formation with the various CD molecules. The CH oscillators provide information concerning plausible structures for the complexes. On the whole, all the spectral observations are consistent with different types of structures for the (S, 3MS)\u2013\u03b1CD and (3FS, 3CS)\u2013\u03b1CD complexes. In particular, the Raman spectroscopic results suggest that, for 3MS\u2013\u03b1CD the vinyl group keeps some rotational freedom. For 3FS\u2013\u03b1CD and 3CS\u2013\u03b1CD, it is suggested that the most electronegative fluorine and chlorine atoms are left outside the the CD cavity, with the vinyl group rotationally hindered. For the \u03b3CD complexes, the wider CD cavity sould be able to accommodate all the guest molecules considered keeping the conformer distributions of the pure liquids approximately. However, the inclusion process seems to hinder the internal rotation in such a way that even below 200 K the conformer distribution remains similar to that of the pure liquid at room temperature.<\/jats:p>","DOI":"10.1002\/jrs.1250250721","type":"journal-article","created":{"date-parts":[[2005,5,28]],"date-time":"2005-05-28T16:06:45Z","timestamp":1117296405000},"page":"599-605","source":"Crossref","is-referenced-by-count":17,"title":["<i>Meta<\/i>\u2010substituted styrene molecules included in cydodextrins: A Raman spectroscopic study"],"prefix":"10.1002","volume":"25","author":[{"given":"Ana M.","family":"Amado","sequence":"first","affiliation":[]},{"given":"Aida M.","family":"Moreira da Silva","sequence":"additional","affiliation":[]},{"given":"P. J. A.","family":"Ribeiro\u2010Claro","sequence":"additional","affiliation":[]},{"given":"J. J. C.","family":"Teixeira\u2010Dias","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2005,4,12]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1021\/ar00075a001"},{"key":"e_1_2_1_2_3","doi-asserted-by":"publisher","DOI":"10.1021\/ar00136a004"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00989a027"},{"key":"e_1_2_1_3_3","doi-asserted-by":"publisher","DOI":"10.1021\/ja00989a028"},{"key":"e_1_2_1_4_2","first-page":"157","volume":"31","author":"Hollas J. M.","year":"1989","journal-title":"Chem. Phys. 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