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A “Through‐Shell” Binding Isotope Effect
Author(s) -
Liu Yong,
Warmuth Ralf
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200501840
Subject(s) - isotope , shell (structure) , content (measure theory) , chemistry , variation (astronomy) , computer science , mathematics , physics , materials science , nuclear physics , astrophysics , mathematical analysis , composite material
Small, but very significant : Partial separation of two hemicarceplexes which differed only in the degree of guest deuteration could be achieved by normal‐phase chromatography (see picture). The difference in retention time arises from a variation in the interaction between the hemicarceplex and the silica surface as a consequence of a 0.005‐Å difference in the CH and CD bond lengths of the guest molecules.

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