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A New Quantitative Description of the Distance Dependence of Through‐Space 19 F, 19 F Spin–Spin Coupling
Author(s) -
Ernst Ludger,
Ibrom Kerstin
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199518811
Subject(s) - spin (aerodynamics) , coupling (piping) , space (punctuation) , bridge (graph theory) , condensed matter physics , series (stratigraphy) , materials science , physics , computer science , biology , thermodynamics , paleontology , anatomy , metallurgy , operating system
Fine tuning of the nonbonding FF distances , by bridge length variation and suitable substituents, in a series of difluorometa‐ ( 1 ) and ‐paracyclophanes led to a new quantitative description of distance‐dependent 19 F, 19 F through‐space spin–spin coupling. This will be useful for structural studies of di‐ and oligofluorinated compounds in solution.