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Start Over Author "Podsiadło, Marcin" Topic hydrogen bonding Journal crystal growth & design
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1. Discrete CH···N Bonded Patterns Modified by Temperature and Pressure in Four Pyrazine Polymorphs.

Author

Patyk, Ewa, Podsiadło, Marcin, and Katrusiak, Andrzej

Subjects
*METHANE, *NITROGEN, *PYRAZINES, *POLYMORPHISM (Crystallography), *DISCRETE systems, *HYDROGEN bonding
Abstract

Pyrazine molecules aggregate by remarkably similar CH···N hydrogen bonds into four polymorphs. Of eight CH···N bonds to each molecule, six H-bonds are very similar for all pyrazine structures. A diagram of four crystalline phases has been outlined and their low-temperature and high-pressure structures determined. Phase I is metastable and occurs only within the ambient-pressure region of phase II. [ABSTRACT FROM AUTHOR]

Published
2015
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