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Wöhler and Liebig Revisited : 176 Years of Polymorphism in Benzamide - and the Story Still Continues!

Title data

Thun, Jürgen ; Seyfarth, Lena ; Butterhof, Christian ; Senker, Jürgen ; Dinnebier, Robert E. ; Breu, Josef:
Wöhler and Liebig Revisited : 176 Years of Polymorphism in Benzamide - and the Story Still Continues!
In: Crystal Growth & Design. Vol. 9 (3 April 2009) Issue 5 . - pp. 2435-2441.
ISSN 1528-7505
DOI: https://doi.org/10.1021/cg801347d

Abstract in another language

In 1832, Friedrich Wöhler and Justus von Liebig described the existence of polymorphism in molecular crystals for the first time in the case of benzamide. 175 years later, the crystal structure of this historical polymorph could be finally solved. Surprising similarities regarding the packing motifs between all three known forms can be found. According to Ostwald’s rule, high supersaturations are needed to crystallize the most unstable Form II from solution. Herein we present a way in which all three known forms for benzamide can be concomitantly crystallized out of solution. With this trimorphic mixture at hand, a more detailed stability test could be performed and further characterization applying solid-state NMR-, Raman, and IR-spectroscopy was possible.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 23 Mar 2018 10:37
Last Modified: 23 Mar 2018 10:37
URI: https://eref.uni-bayreuth.de/id/eprint/10453