NDLI: A crystalline sponge based on dispersive forces suitable for X-ray structure determination of included molecular guests† †Electronic supplementary information (ESI) available: Synthesis of macrocycle 3 together with characterization data. TGA and DSC traces. CIF files of all structures. Computationa

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A crystalline sponge based on dispersive forces suitable for X-ray structure determination of included molecular guests† †Electronic supplementary information (ESI) available: Synthesis of macrocycle 3 together with characterization data. TGA and DSC traces. CIF files of all structures. Computationa

Content Provider	Semantic Scholar
Author	Sanna, Elena Escudero-Adán, Eduardo C. Bauzá, Antonio Ballester, Pablo Frontera, Antonio Rotger, Carmen Costa, António
Copyright Year	2015
Abstract	A crystalline porous material showing one-dimensional (1-D) rectangular micropores (12 × 9 Å2) has been assembled from a semirigid macrocyclic tetraimine and EtOAc as the templating agent. The 1-D nature of the material is intrinsic to the conformationally rigid structure of a macrocyclic sub-unit bearing four cyclohexylidene residues. The multiple dispersive forces established among the aliphatic residues glutted the 1-D channels and provided thermal stability to the material at temperatures below 160 °C. Upon removal of the template, the structure of the empty solid exhibited permanent microporosity (SBET = 342 m2 g-1). Being a true molecular sponge, the channel framework of this material allowed the inclusion of a variety of molecular sample guests without compromising its crystalline nature. Remarkably, this crystalline material enabled the structure determination by X-ray diffraction of the included molecules. Theoretical studies demonstrated the vital role played by the dispersive forces in the overall stabilization of the crystal packing.
Starting Page	5466
Ending Page	5472
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1039/c5sc01838b
PubMed reference number	28757946
Journal	Medline
Volume Number	6
Alternate Webpage(s)	http://www.rsc.org/suppdata/c5/sc/c5sc01838b/c5sc01838b1.pdf
Alternate Webpage(s)	https://doi.org/10.1039/c5sc01838b
Journal	Chemical science
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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