| Gearing of molecular swirls: columnar packing of nematogenic hexakis(4-alkoxyphenylethynyl)benzene derivatives. | |
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MedLine Citation:
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PMID: 21226093 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Through molecular design and straightforward synthesis, incorporating an additional alkoxy chain onto various numbers of peripheral phenyls in nematogenic hexakis(4-alkoxyphenylethynyl)benzene was achieved to generate columnar phases with significantly expanded temperature ranges. For the compound with two decyloxy chains on every peripheral phenyl, scanning tunnelling microscopic studies indicate the molecule adopts a preferred molecular-swirl geometry by restricting the conformational arrangement of the alkoxy side chains. Cooperative packing of the molecular swirls by a lock-in mechanism among columns results in a stable helical column packing evidenced by powder X-ray diffraction. |
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Authors:
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Shern-Long Lee; Hsing-An Lin; Yi-Hui Lin; Hsiu-Hui Chen; Ching-Ting Liao; Tzu-Ling Lin; Yi-Chen Chu; Hsiu-Fu Hsu; Chun-hsien Chen; Jey-Jau Lee; Wen-Yi Hung; Qu-Yuan Liu; Chunhung Wu |
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Publication Detail:
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Type: Journal Article Date: 2011-01-05 |
Journal Detail:
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Title: Chemistry (Weinheim an der Bergstrasse, Germany) Volume: 17 ISSN: 1521-3765 ISO Abbreviation: Chemistry Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9513783 Medline TA: Chemistry Country: Germany |
Other Details:
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Languages: eng Pagination: 792-9 Citation Subset: - |
Copyright Information:
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Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |
Affiliation:
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Department of Chemistry, National Taiwan University, 106 Taipei, Taiwan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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