Approach to 10-unit "bracelet" frameworks based on coordination of alkyl-substituted cucurbit[5]urils and potassium ions

Li, Zhong-Fei, Wu, Feng, Zhou, Fa-Gen, Ni, Xin-Long, Feng, Xing, Xiao, Xin, Zhang, Yun-Qian, Xue, Sai-Feng, Zhu, Qian-Jiang, Lindoy, Leonard F., Clegg, Jack K., Tao, Zhu and Wei, Gang (2010) Approach to 10-unit "bracelet" frameworks based on coordination of alkyl-substituted cucurbit[5]urils and potassium ions. Crystal Growth and Design, 10 12: 5113-5116.


Author Li, Zhong-Fei
Wu, Feng
Zhou, Fa-Gen
Ni, Xin-Long
Feng, Xing
Xiao, Xin
Zhang, Yun-Qian
Xue, Sai-Feng
Zhu, Qian-Jiang
Lindoy, Leonard F.
Clegg, Jack K.
Tao, Zhu
Wei, Gang
Title Approach to 10-unit "bracelet" frameworks based on coordination of alkyl-substituted cucurbit[5]urils and potassium ions
Journal name Crystal Growth and Design   Check publisher's open access policy
ISSN 1528-7483
1528-7505
Publication date 2010-12
Sub-type Article (original research)
DOI 10.1021/cg100805z
Volume 10
Issue 12
Start page 5113
End page 5116
Total pages 4
Place of publication Washington, DC, United States
Publisher American Chemical Society
Language eng
Formatted abstract The formation of 3D fused 10-membered "bracelet" frameworks derived from the alkyl-substituted curcurbit[5]urils (SQ[5]s), 1,2,4-hexamethylcucurbit[5]uril (1,2,4-HMeQ[5]), and pentacyclopentanocucurbit[5]uril (PCyHQ[5]) and K + ions is described. These remarkable catenated structures feature trigonal-planar branching units involving three SQ[5]s connected via their bound K + ions in a triangular manner in which the coordination of each K + ion to the five portal carbonyl oxygen atoms of one SQ[5] as well as to a bridging portal carbonyl oxygen from an adjacent SQ[5] draws the edges of three portals into close proximity. The corresponding offset angle at each junction provides the basis for the 3D assembly of the observed fused 10-membered SQ[5] bracelet frameworks.
Keyword Aqua hydroxo complexes
Uranyl organic frameworks
Macrocyclic cavitand
Crystal structures
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Publication Date (Web): November 12, 2010.

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemistry and Molecular Biosciences
 
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