Selective separation of branched alkane vapor by thiacalixarene supramolecular crystals having shape-recognition properties

Activated crystals of a supramolecular assembly of bromothiacalix[4]arene propyl ether with preorganized channel-like voids can selectively and effectively adsorb isooctane vapor from a vapor mixture of isooctane and n -heptane. Shape-recognition properties of preorganized voids constructed from thi...

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Published inChemical communications (Cambridge, England) Vol. 57; no. 51; pp. 6237 - 624
Main Authors Yamada, Manabu, Uemure, Fumiya, Katagiri, Hiroshi, Akimoto, Kazuhiko, Hamada, Fumio
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 24.06.2021
Subjects
Alkanes
Crystal structure
Crystallography
Crystals
Differential thermal analysis
Differential thermogravimetric analysis
Diffraction patterns
Heptanes
Ions
Isooctane
NMR
Nuclear magnetic resonance
Sorption
Thermogravimetric analysis
Time dependence
Vapors
X ray powder diffraction
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Summary:Activated crystals of a supramolecular assembly of bromothiacalix[4]arene propyl ether with preorganized channel-like voids can selectively and effectively adsorb isooctane vapor from a vapor mixture of isooctane and n -heptane. Shape-recognition properties of preorganized voids constructed from thiacalix[4]arene molecules improved the research octane number (RON) by selective uptake of isooctane vapor.
Bibliography:1
For ESI and crystallographic data in CIF or other electronic format see DOI
vapor sorption isotherms, differential scanning calorimetry, thermogravimetric analysis curves, change in the quantity of adsorbed iso-C
Electronic supplementary information (ESI) available: Experimental section, sorption experiments of single or two-component alkane vapors
iso-C
8
2063587
over time, and gas chromatograms. CCDC
H NMR spectra, powder X-ray diffraction patterns, crystallographic information file, crystal structure, and extended structures of
10.1039/d1cc01931g
time-dependent adsorption of iso-C
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc01931g