Liquid Nicotine Tamed in Solid Forms by Cocrystallization
Version 2 2017-08-21, 19:18
Version 1 2017-08-21, 19:15
Posted on 2017-08-21 - 19:18
We
address the problem of stabilizing liquid nicotine in solid
forms at ambient conditions by cocrystallization. An intriguing aspect
of nicotine lies in the fact that its crystal structure has never
been reported in the literature, and this peculiarity may be ascribed
to the liquid–glass transition that occurs when nicotine is
supercooled under its melting point (−79 °C). Even though
nicotine was considered a rigid molecule, its glass forming nature
could be due to a certain extent of conformational variability, which
has been assessed by a conformer search of the Cambridge Crystallographic
Data Centre software. The design of cocrystals forms of nicotine is
approached by analyzing its molecular electrostatic potential. On
the basis of these considerations, three coformers have been identified,
and their crystal structure shows that nicotine adapts to the packing
features dictated by the coformers. The tool of packing energy frameworks
has been used to discuss the stabilization of the cocrystals.
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Capucci, Davide; Balestri, Davide; Mazzeo, Paolo P.; Pelagatti, Paolo; Rubini, Katia; Bacchi, Alessia (2017). Liquid Nicotine Tamed in Solid Forms by Cocrystallization. ACS Publications. Collection. https://doi.org/10.1021/acs.cgd.7b00887
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AUTHORS (6)
DC
Davide Capucci
DB
Davide Balestri
PM
Paolo P. Mazzeo
PP
Paolo Pelagatti
KR
Katia Rubini
AB
Alessia Bacchi