Pressing solid barbituric acid with KBr to prepare samples for IR spectroscopy leads to the formation of an ionic co-crystal, in which the co-former is a classical ionic salt; co-crystal formation is also obtained with the other alkali bromides (LiBr, NaBr, RbBr and CsBr) and with caesium iodide. The simultaneous presence of alkali and halide ions affects the dissolution properties of barbituric acid in water.

From unexpected reactions to a new family of ionic co-crystals: the case of barbituric acid with alkali bromides and caesium iodide

GOBETTO, Roberto;CHIEROTTI, Michele Remo
2010-01-01

Abstract

Pressing solid barbituric acid with KBr to prepare samples for IR spectroscopy leads to the formation of an ionic co-crystal, in which the co-former is a classical ionic salt; co-crystal formation is also obtained with the other alkali bromides (LiBr, NaBr, RbBr and CsBr) and with caesium iodide. The simultaneous presence of alkali and halide ions affects the dissolution properties of barbituric acid in water.
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http://pubs.rsc.org/en/Content/ArticleLanding/2010/CC/c0cc02701d
barbituric acid; solid state NMR; Mechanochemistry; solvent-free process; hydrogen bond; polymorphism; CO-CRYSTAL FORMATION
D. Braga; F. Grepioni; L. Maini; S. Prosperi; R. Gobetto; M. R. Chierotti
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/78960
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