The last globally stable extended alkane

The last globally stable extended alkane
Luettschwager, N. O. B. ; Wassermann, T. N.; Mata, R. A.   & Suhm, M. A.  (2013) 
Angewandte Chemie. International Edition52(1) pp. 463-6-466.​

Authors
Luettschwager, Nils O. B. ; Wassermann, Tobias N.; Mata, Ricardo A. ; Suhm, Martin A. 
Issue Date
2-January-2013
Type
Journal Article
Subtype
Original Work
Journal
Angewandte Chemie. International Edition 
ISSN
1433-7851
eISSN
1521-3773
Language
English
Abstract
Mother of all folding: cold isolated linear alkanes C(n)H(2n+2) prefer an extended all-trans conformation before cohesive forces between the chain ends induce a folded hairpin structure for longer chains. It is shown by Raman spectroscopy at 100-150 K that the folded structure becomes more stable beyond n(C) = 17 or 18 carbon atoms. High-level quantum-chemical calculations yield n(C) = 17 ± 1 as the critical chain length.
Publication of Göttingen University
Yes
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