Diffusion coefficients of zirconocene–borate ion pairs studied by pulsed field-gradient NMR—evidence for ion quadruples in benzene solutions
Author(s) -
Stefan Beck,
Armin Geyer,
HansHerbert Brintzinger
Publication year - 1999
Publication title -
chemical communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.837
H-Index - 333
eISSN - 1364-548X
pISSN - 1359-7345
DOI - 10.1039/a908203d
Subject(s) - boron , benzene , diffusion , ion , pulsed field gradient , chemistry , monomer , inorganic chemistry , analytical chemistry (journal) , organic chemistry , molecule , thermodynamics , polymer , physics
Diffusion coefficients for ion pairs containing zirconocene cations and fluorinated tetraphenyl- or methyltriphenyl-borate anions in benzene solutions are substantially smaller than those expected for monomeric species and indicate that ion quadruples are present in these solutions.
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