In Silico Prediction of Structural Properties of a Racemic Porous Organic Cage Crystal

Autor: David S. Sholl, Yang Liu, Christopher W. Jones, Guanghui Zhu, Wenqin You, Ryan P. Lively, Hongjian Tang
Rok vydání: 2018
Předmět:
Zdroj: The Journal of Physical Chemistry C. 123:1720-1729
ISSN: 1932-7455
1932-7447
DOI: 10.1021/acs.jpcc.8b08838
Popis: Porous organic cage (POC) solids are porous materials made up of individual porous molecules held together by noncovalent forces. Although many examples of POCs have been made in homochiral forms (i.e., crystals in which every molecule has the same chirality), crystallization of POCs that contain mixtures of chiral molecules can also yield useful properties. For instance, our previous work has demonstrated that a POC crystal [cage crystal 3 (CC3)-racemic] synthesized using a racemic mixture of diaminocyclohexane has improved sorption properties and stability than a similar POC crystal synthesized with homochiral diaminocyclohexane. The key aim of this paper is to predict the structure of CC3-racemic with atomic detail because it is challenging to fully resolve the structure of this racemic crystal experimentally since only subtle differences exist between the racemic structure and the known crystal structure of homochiral CC3. Here, we introduce an in silico prediction method that combines electronic stru...
Databáze: OpenAIRE