Order-disorder transitions in adamantane derivatives : Vibrational spectroscopic and 13C NMR studies of 1- chloroadamantane

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TypeArticle
Journal titleCanadian Journal of Chemistry
ISSN0008-4042
Volume71
IssueNov 11
Pages18901897; # of pages: 8
SubjectVibrations; Buildings; Vibrations
AbstractThe order-disorder behaviour of l~chloroadamantane (l~C 10H 15C1) has been investigated by differential scanning calorimetry, and variable-temperature vibrational and 13C NMR spectroscopy. The factor group splittings in the vibrational spectra are in accord with the known crystal structures of the two phases. The 13C spin-lattice relaxation times and dipolar dephasing measurements have been analysed to give the barriers to rotation in both phases and to determine the nature of the rotations in each phase. In the ordered phase, the motion is limited to rotation about the molecular axis. In the disordered phase, additional motions occur about axes through the tertiary carbon atoms.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierIRC-P-3717
NRC number37871
5231
NPARC number20375945
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Record identifiera7d512d6-ed86-4433-9544-c8ca468fc6e9
Record created2012-07-23
Record modified2016-05-09
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